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GS Paper: GS3-18.Conservation, Environmental Pollution and Degradation, Environmental Impact Assessment.

  • Hyper-accumulator Plants for Soil Detox

    A study published in the JNKVV (Jawaharlal Nehru Krishi Vishwavidyalaya) research journal concluded that heavy metal pollution of soil is “emerging at a speedy rate” in India due to industrialisation.

    How does soil get contaminated?

    • Soil contamination can happen due to a variety of reasons, including manufacturing, mineral extraction, accidental spills, illegal dumping, leaking underground storage tanks, pesticide and fertiliser use etc.
    • These toxic heavy metals are then absorbed by food crops and other plants before they eventually make their way into our food chain, directly affecting human life along with ecology.

    Detoxing the soil

    • Many technologies have emerged to remediate this soil pollution.
    • But these methods have been deemed lacking in terms of sustainability as they come with a large cost and have adverse effects themselves.

    Novel technique: Hyperaccumulators

    • Turning toward more sustainable and eco-friendly technologies, scientists have developed methods of “Phytoremediation”.
    • It is a remediation method that uses living organisms like plants, microalgae, and seaweeds.
    • One particular way to remove toxic heavy metals from the soil includes the use of “hyperaccumulator” plants that absorb these substances from the soil.

    What are hyperaccumulator plants?

    • Phytoremediation refers to the usage of “hyperaccumulator” plants to absorb the toxic materials present in the soil and accumulate in their living tissue.
    • Most plants do sometimes accumulate toxic substances.
    • Hyperaccumulators have the unusual ability to absorb hundreds or thousands of times greater amounts of these substances than is normal for most plants.
    • Most discovered hyperaccumulator plants typically accumulate nickel and occur on soils that are rich in nickel, cobalt and in some cases, manganese.

    Where are they found?

    • These hyperaccumulator species have been discovered in many parts of the world.
    • They include the Mediterranean region (mainly plants of the genus Alyssum), tropical outcrops in Brazi, Cuba, New Caledonia (French territory) and Southeast Asia (mainly plants of the genus Phyllanthus).

    How can they be used to remove toxic metals from the soil?

    • Suitable plant species can be used to ‘pick up’ the pollutants from the soil through their roots and transport them to their stem, leaves and other parts.
    • After this, these plants can be harvested and either disposed or even used to extract these toxic metals from the plant.
    • This process can be used to remove metals like silver, cadmium, cobalt, chromium, copper, mercury, manganese, molybdenum, nickel, lead and zinc; metalloids such as arsenic and selenium; some radionuclides; and non-metallic components such as boron.
    • But it cannot be used to remove organic pollutants from the ground due to metabolic breakdown.

    Advantages of phytoremediation with hyperaccumulators

    • One of the primary advantages of phytoremediation is the fact that it is quite cost-effective in comparison with other remediation methods.
    • The only major costs attached are related to crop management (planting, weed control, watering, fertilisation, pruning, fencing, harvesting etc.).
    • This method is also relatively simple and doesn’t require any new kinds of specialised technology.
    • Also, no external energy source is required since the plants grow with the help of sunlight.
    • Another important advantage of this method is that it enriches the soil with organic substances and microorganisms which can protect its chemical and biological qualities.
    • Also, while the plants are growing and accumulating toxic heavy metals, they protect the soil from erosion due to wind and water.

    Limitations of hyperaccumulators

    • For all its advantages, this kind of phytoremediation with hyperaccumulators has a big drawback: it is a very slow and time-consuming process.
    • The restoration of an area with this process can take up to 10 years or more.
    • This comes with a large economic cost, proportional to the size of the area under rehabilitation.
    • The plants to conduct this rehabilitation must be carefully selected based on a large number of characteristics or they could act as an invasive species.
    • They could grow out of control and upsetting the delicate ecological balance of not just the area under rehabilitation, but also the entire region it is part of.

    What can be done for their better utilization?

    • Due to this reason, scientists only propose using species that are native to the region where the phytoremediation project is undertaken.
    • This also has other benefits: these plants will already be acclimatised to the region and there will be no legal problems concerning the procurement, transport and use of seeds.

     

     

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  • Biological Diversity (Amendment) Bill, 2021

    What is issue:

    A senior parliamentarian has expressed concern over the Biological Diversity (Amendment) Bill, 2021, which is in the final stages of consultations in the Joint Parliamentary Committee.

    Biological Diversity Act (BDA), 2002: 

    • The BDA, 2002 was enacted for the conservation of biological diversity and fair, equitable sharing of the monetary benefits from the commercial use of biological resources and traditional knowledge.
    • The main intent of this legislation is to protect India’s rich biodiversity and associated knowledge against their use by foreign individuals.
    • It seeks to check biopiracy, protect biological diversity and local growers through a three-tier structure of central and state boards and local committees.
    • The Act provides for setting up of a National Biodiversity Authority (NBA), State Biodiversity Boards (SBBs) and Biodiversity Management Committees (BMCs) in local bodies.
    • The NBA will enjoy the power of a civil court.

    What are the proposed Amendments?

    The amendment bill seeks to reduce the pressure on wild medicinal plants by encouraging the cultivation of medicinal plants and Decriminalizes certain offences.

    • Biological resources sharing: Exempts Ayush practitioners from intimating biodiversity boards for accessing biological resources or knowledge (Vaids and Hakims)
    • Research promotion: Facilitates fast-tracking of research, simplify the patent application process
    • Bring in foreign investment: Seeks to bring more foreign investments in biological resources, research, patent and commercial utilisation, without compromising the national interest

    Need for the Amendment

    • Simplifying process: Concerns were raised by Ayush medicine, seed, industry and research sectors urging the government to simplify, streamline the profession.
    • Easing compliance: They urged govt to reduce the compliance burden to provide for a conducive environment for collaborative research and investments.
    • Access and Benefit-sharing: It also sought to simplify the patent application process, widen the scope of access and benefit-sharing with local communities.
    • Exemptions: Ayush practitioners have been exempted from the ambit of the Act, a huge move because the Ayush industry benefits greatly from biological resources in India.
    • Certain offences: Violations of the law related to benefit-sharing with communities, which are currently treated as criminal offences and are non-bailable, have been proposed to be made civil offences.
    • Imbibing Nagoya Protocol: This bill provides to reconcile the domestic law with free prior informed consent requirements of the 2010 Nayogya Protocol on ABS.

    Criticisms of the bill

    • No consultation: The bill has been introduced without seeking public comments as required under the pre-legislative consultative policy.
    • No profit-sharing: There are ambiguous provisions in the proposed amendment to protect, conserve or increase the stake of local communities in the sustainable use and conservation of biodiversity.
    • Commercialization: Activists say that the amendments were done to “solely benefit” the AYUSH Ministry.
    • Loopholes to Biopiracy: The Bill would mean AYUSH manufacturing companies would no longer need to take approvals.
    • Ignoring Bio-utilization: The bill has excluded the term Bio-utilization which is an important element in the Act.  Leaving out bio utilization would leave out an array of activities like characterization, incentivisation and bioassay which are undertaken with commercial motive.
    • Exotic plants cultivation: The bill also exempts cultivated medicinal plants from the purview of the Act but it is practically impossible to detect which plants are cultivated and which are from the wild.
    • De-licensing: This provision could allow large companies to evade the requirement for prior approval or share the benefit with local communities.

  • Highlights of the Seoul Forest Declaration

    The participants from 141 countries gathered in person and online at the 15th World Forestry Congress in Seoul, Republic of Korea adopted the Seoul Forest Declaration.

    Seoul Forest Declaration

    • Shared responsibility: The Declaration urges that responsibility for forests should be shared and integrated across institutions, sectors and stakeholders.
    • Increased investment: Investment in forest and landscape restoration globally needs to triple by 2030 to meet internationally agreed commitments and targets on restoring degraded land.
    • Moving towards circular economy: One of the key takeaways was the importance of moving towards a circular bioeconomy and climate neutrality.
    • Innovative green financing mechanisms: To upscale investment in forest conservation, restoration and sustainable use, and highlighted the potential of sustainably produced wood as a renewable, recyclable and versatile material.
    • Decision-making: It urged the continued development and use of emerging innovative technologies and mechanisms to enable evidence-based forest and landscape decision-making.

    Other takeaways

    • Close cooperation among nations is needed to address challenges that transcend political boundaries.
    • This was strengthened at the Congress by the launch of new partnerships such as the:
    1. Assuring the Future of Forests with Integrated Risk Management (AFFIRM) Mechanism and
    2. Sustaining an Abundance of Forest Ecosystems (SAFE) Initiative

    Back2Basics: World Forestry Congress

    • The first World Forestry Congress first held in Rome in 1926. After that, it is held about every six years by the UN-FAO.
    • In 1954, FAO was entrusted with supporting Congress preparations in close cooperation with the host country and proudly continues to do so today. .
    • It has been providing a forum for inclusive discussion on the key challenges and way forward for the forestry sector.

     

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  • Ramgarh Vishdhari notified as India’s 52nd Tiger Reserve

    Ramgarh Vishdhari Wildlife Sanctuary is now notified as a tiger reserve after a nod by the Union Ministry of Environment, Forest and Climate Change (MoEF&CC).

    Ramgarh Vishdhari TR

    • Ramgarh Vishadhri, located mostly in Bundi district and in part in Bhilwara and Kota districts.
    • It is also home to the Indian wolf, leopard, striped hyena, chinkara, antelope and foxes among other animals.
    • It is now India’s 52nd tiger reserve and Rajasthan’s fourth, after Ranthambore, Sariska and Mukundra.
    • The reserve will be spread in an area of 1,501.89 sq km.
    • The area has been called ‘critical’ for the movement of tigers by wildlife experts and conservationists.
    • Though the tiger population in Ramgarh itself was not high, it plays an important role in connecting the Ranthambore and Mukundra Tiger Reserves of Rajasthan.

    Back2Basics: Tiger Reserves

    • The Tiger Reserves of India were set up in 1973 and are governed by Project Tiger, which is administrated by the National Tiger Conservation Authority.
    • A National Park or Wildlife Sanctuary that is considered significant for protecting tigers can be additionally designated as a Tiger Reserve.
    • A Tiger Reserve consists of a ‘Core’ or ‘Critical Tiger Habitat’, which is to be managed as an inviolate area, and a ‘Buffer’ or Peripheral area immediately abutting a Core area, which may be accorded a lesser degree of habitat protection.
    • This is the typical zonation of a Tiger Reserve.

     

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  • Green Manure and its productivity benefits

    The Punjab agriculture department is promoting the cultivation of green manure these days.

    What is the news?

    • Punjab Agro is providing subsidy on the seed at the rate of Rs 2,000 per quintal, which costs Rs 6,300 per quintal without subsidy
    • The farmers can avail its seed from the block level offices of the agriculture department as limited stock is available.

    What is Green Manure?

    • Green manures are crops grown specifically for maintaining soil fertility and structure.
    • It is done by leaving uprooted or sown crops parts, allowing them to wither onto the field and serve as mulch and soil fertilizers.
    • They are normally incorporated back into the soil, either directly, or after removal and composting.
    • There are three main varieties of green manure, including
    1. Dhaincha
    2. Cowpea
    3. Sunhemp
    • Also some crops such as summer moong, mash pulses and guar act as green manure.
    • They can be sown after wheat cultivation

    Characteristics of green manure

    • Green manure must be leguminous in nature
    • They must bear maximum nodules on its roots to fix large amount of atmospheric nitrogen in the soil.

    Various policy initiatives

    • Under Sub- Mission on Seed and Planting Material (SMSP), the govt. provides 50% cost assistance for the distribution of green manure required for a one-acre area per farmer.
    • The Paramparagat Krishi Vikas Yojana (PKVY) promotes cluster-based organic farming with PGS (Participatory Guarantee System) certification.

     

     

  • Places in news: Pantanal Wetlands

    The world’s largest wetland, the Pantanal in South America, is at the risk of collapse due to legal land-use decisions and proposals.

    About Pantanal

    • The Pantanal is a natural region encompassing the world’s largest tropical wetland area, and the world’s largest flooded grasslands.
    • It is located mostly within the Brazilian state of Mato Grosso do Sul, but it extends into Mato Grosso and portions of Bolivia and Paraguay.
    • It sprawls over an area estimated at between 140,000 and 195,000 square kilometres.
    • Various subregional ecosystems exist, each with distinct hydrological, geological and ecological characteristics; up to 12 of them have been defined.
    • Roughly 80% of the Pantanal floodplains are submerged during the rainy seasons, nurturing a biologically diverse collection of aquatic plants and helping to support a dense array of animal species.

    Significance of Pantanal

    • The Pantanal is a refuge for iconic wildlife. This massive wetland has the largest concentration of crocodiles in the world, with approximately 10 million caimans.
    • Jaguars, the largest feline in the Americas, hunt caiman in the Pantanal, which has one of the highest density of jaguars anywhere the world.

    Threats

    • Around 95% of the Pantanal is under private ownership, the majority of which is used for cattle grazing.

     

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  • Highlights of State of the World’s Birds Report

    The State of the World’s Birds, an annual review of environmental resources has revealed that the population of 48% of the 10,994 surviving species of birds is declining.

    State of the World’s Birds

    • The report is published by the Manchester Metropolitan University.
    • It gives an overview of the changes in the knowledge of avian biodiversity and the extent to which it is imperilled.
    • The study draws from BirdLife International’s latest assessment of all birds for the International Union for Conservation of Nature’s Red List.

    What are the key findings of the study?

    • The study found that 5,245 or about 48% of the existing bird species worldwide are known or suspected to be undergoing population declines.
    • While 4,295 or 39% of the species have stable trends, about 7% or 778 species have increasing population trends.
    • It shows 1,481 or 13.5% species are currently threatened with global extinction.

    Where the birds are threatened the most?

    • The more threatened bird species (86.4%) are found in tropical than in temperate latitudes (31.7%).
    • Such hotspots are concentrated in the tropical Andes, southeast Brazil, eastern Himalayas, eastern Madagascar, and Southeast Asian islands.

    What is the importance of birds to ecosystems and culture?

    • Birds contribute toward many ecosystem services that either directly or indirectly benefit humanity.
    • These include provisioning, regulating, cultural, and supporting services.
    • The functional role of birds within ecosystems as pollinators, seed-dispersers, ecosystem engineers, scavengers and predators.
    • They not only facilitate accrual and maintenance of biodiversity but also support human endeavours such as sustainable agriculture via pest control besides aiding other animals to multiply.
    • For instance, coral reef fish productivity has been shown to increase as seabird colonies recovered following rat eradication in the Chagos archipelago.
    • Wild birds and products derived from them are also economically important as food (meat, eggs).

    What are the threats contributing to avian biodiversity loss?

    • The study lists eight factors, topped by land cover and land-use change.
    • The continued growth of human populations and of per capita rates of consumption lead directly to conversion and degradation of primary natural habitats.
    • Deforestation has been driven by afforestation with plantations (often of non-native species) plus land abandonment in parts of the global North, with net loss in the tropics.
    • The other factors are habitat fragmentation, degradation, hunting and trapping.

    Try this PYQ from CSP 2020:

    Q.With reference to India’s Biodiversity, Ceylon frogmouth, Coppersmith barbet, Gray-chinned minivet and White-throated redstart are

    (a) Birds

    (b) Primates

    (c) Reptiles

    (d) Amphibians

     

    [wpdiscuz-feedback id=”1zhy7sfg15″ question=”Please leave a feedback on this” opened=”1″]Post your answers here.[/wpdiscuz-feedback]

     

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  • India must use markets to decarbonise

    Context

    Climate change is bound to impact human lives and the global economy at an exceptionally high scale in the not-so-distant future. The solution to the problem calls for government intervention.

    Carbon intensive nature of India’s energy ecosystem

    • After China and the United States, India, which releases 2.44 billion tonnes of carbon dioxide annually, is the third-largest emitter of this GHG, making it a key player in emissions reduction.
    •  The International Energy Agency’s (IEA) World Energy Outlook 2017 Report estimates that India will account for nearly one-fourth of the global energy demand by 2040.
    • As per the IEA’s India Energy Outlook 2021 Report, India’s energy system is highly dependent on fossil fuels — coal, oil and bioenergy — that supply about 90 per cent of the country’s demand.
    • Low electrification: About 38 per cent of primary energy is consumed for power generation, implying that the level of electrification is still low in the country.
    • Power generation is highly dependent on coal — about 78 per cent of it comes from this fossil fuel — and, transportation is almost entirely dependent on oil.
    • The Indian energy ecosystem is, thus, highly carbon-intensive.

    Climate change as a feature of market failure

    • Market failure due to climate change: Economic activities by consumers (driving or air-conditioning, for instance) and by producers (such as electricity generation and manufacturing) cause emissions, leading to pollution and global warming.
    • Negative externalities: These negative externalities, causing outcomes that are not efficient, are not reflected in the costs incurred by consumers or producers.
    • The true costs to the consumers, producers and society are not reflected in the market interactions.
    • This leads to an uncontrolled rise in emissions and also breeds apathy towards mitigation efforts.

    Way forward

    • Government intervention: Achieving economic growth sustainably requires a strategy for reducing carbon emissions aggressively while also focusing on efficiency, equity, fairness and behavioural aspects.
    • The solution to the problem of market failure calls for government intervention.
    • Limits of emission: The most natural option of government intervention for reducing emissions is by fixing limits of emissions through regulation, taking into consideration the Nationally Determined Contribution targets set by the country under the Paris Agreement.
    • Experts have shown that the wrongly set emission levels could lead to cost-inefficient outcomes.
    • It makes it difficult for the regulator to obtain the information about each firm’s abatement-cost and damage-cost schedules in advance.
    • Therefore, setting emission targets and regulating emissions through command and control might be good only during the initial phase of the mitigation strategy.
    • Why Carbon tax is a better option? The carbon tax is a better option than regulating the pre-fixed levels of emissions.
    • The marginal cost of abatement rises as the firms keep on reducing the emissions further, and the firm will stop reducing emissions and choose to pay tax at the point when the cost of abatement becomes higher than the rate of tax.
    • This option will lead to near-efficient outcomes.
    •  The trading scheme will bring in higher efficiency as the price of certificates will be determined by allowing firms facing low and high abatement costs to compete in the free market as per their own abatement and damage cost schedules.
    •  The emissions trading scheme will determine the optimal and cost-efficient levels of emissions reduction by providing a choice to the firms to either mitigate or trade — the net effect of this will be a reduction in emissions.
    • The low abatement-cost firms will keep reducing emissions as they would profit by trading the certificates.
    • Equity in energy access: The issue of equity in energy access must be addressed by channelling the revenues generated from carbon pricing to households and firms impacted by the carbon trading and carbon tax — these could be through incentives or lump-sum transfers.

    Conclusion

    The socio-economic impact of decarbonising the economy and the way humans live would be crucial in setting our priorities. We have limited time and our resources are scarce.

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  • Mother Nature a ‘living being’ with legal entity: Madras HC

    Holding that it is the right time to confer juristic status to ‘Mother Nature’, Justice S. Srimathy of the Madurai Bench of Madras High Court invoked the ‘parens patriae jurisdiction’, and declared ‘Mother Nature’ as a ‘living being’ having the status of a legal entity.

    What is the news?

    • The Madras HC observed that ‘Mother Nature’ was accorded the rights akin to fundamental rights, legal rights, constitutional rights for its survival, safety, sustenance and resurgence in order to maintain its status and also to promote its health and well-being.

    Legal rights for nature: A backgrounder

    • The movement for legal personhood for the environment and animals began in the 1970s.
    • This concept was articulated by Christopher D. Stone in his thesis, Should Trees Have Standing.
    • In this compelling piece, the author makes an argument for the environment to have independent legal rights, much like what was granted by the judgment of the Uttarakhand High Court in 2017.
    • He highlights how the theory of rights has developed over the years and that many inanimate objects have both rights and legal duties. They can sue and be sued.

    What is the case for Madras HC’s personification of nature?

    • The Madras HC has made a personification of nature that focuses on the life-giving and nurturing aspects of nature by embodying it, in the form of the mother.
    • It observed that the court is hereby declaring ‘Mother Nature’ a ‘living being’ having the status of a legal person with all corresponding rights, duties and liabilities of a living person, in order to preserve and conserve it.
    • The State and Central governments are directed to protect ‘Mother Nature’ and take appropriate steps in this regard in all possible ways.

    A different course: Ecological Jurisprudence

    • The onset of climate change and the potential mass extinction of species is accompanied by the gradual closing window of opportunity to take meaningful action.
    • Activists around the world are calling for anthropocentric legal and governance systems to be replaced with ecocentric ones.
    • The last 15 years have seen a dramatic increase in the number of laws based on ecological jurisprudence.
    • Ecological jurisprudence is a philosophy that sees nature not as a set of objects to be exploited but as a community of subjects (humans and non-humans) who are connected through interdependent, reciprocal relationships.

    India’s typical case

    • In 2017, the Uttarakhand HC ruled (in two separate orders) that the Ganga, the Yamuna, their tributaries, and the glaciers and catchments feeding these rivers in Uttarakhand had rights as a “juristic/legal person/living entity”.
    • In 2018, the same HC ruled that the entire animal kingdom had rights similar to that of a living person (Narayan Dutt Bhatt vs Union of India).
    • In March 2020, the Punjab and Haryana High Court passed an order declaring the Sukhna Lake in Chandigarh city a living entity, with rights equivalent to that of a person.

    Beyond Rights

    • Law is a modern human construct. It not only talks in the language of rights and duties that only humans understand but also operationalizes them in a way that can further entrench human-centeredness.
    • In most cases where nature’s rights are recognized in law, they have done so by extending to it the concept of “personhood” in other words, akin to humans and, therefore, having human rights.
    • Hence, any such movement on recognizing the rights of the rest of nature must challenge the fundamental forms of injustices, including capitalism, stateism, anthropocentrism and patriarchy.

    Significance of such status

    • These rights-based laws granting legal personhood for nature aim to shift the legal status of the natural world from being human property to living entities in their own right and subjects of law.
    • This guarantees their right to exist, thrive, evolve and maintain their natural cycles.
    • These rights are not conferred by humans; it is a recognition that these rights have always existed.
    • It lays upon humans the duty to act as guardians for the more-than-human world.

    Issues of implementation

    • Assuming that these rights are recognised, nature or any of its entity cannot represent itself in a court of law.
    • Moreover there is the issue of custodianship.

    What would account for violations?

    • The Uttarakhand court order did not mention what amounted to violation of rights of rivers.
    • In order to be able to truly exercise the rights and implement appropriate redressal, there is a need for a comprehensive definition of the actions that amount to “violation of the rights”.
    • Say, the violation of the rights of rivers may be defined as “any obstruction or impediment that disables the entity from performing its essential ecological functions”.

    Restitution and compensation

    • The New Zealand law has an extensive section lending itself to restitutive, restorative and compensatory action.
    • It acknowledged the government’s decisions and actions for more than a century that resulted in the violation of the health of the Whanganui and the rights, culture and well-being of the indigenous people living along the river.
    • Several specific examples were given, including the dismantling of traditional structures for fishing and river use, a hydroelectric project and mining.
    • Such an acknowledgment is a necessary first step towards seeking appropriate restitutive and compensatory measures.

    Another question: Bioregional Governance

    • Recognizing river ecosystems or other entities of nature as having rights offers the possibility of managing and governing habitats based on the ecological realities of the region.
    • It brings out the bizarre fact that the human-drawn nation state, and political lines on maps in various parts of the world have created conflict situations or disrupted ancient cultural and ecological flows and relations.
    • We need to begin reimagining governance from a bioregional governance point of view.
    • This would also mean bridging the gap between the customary ways of decision making and the current legal frameworks.
    • There is a need for more imaginative lawyers, activists and judges to help move towards an eco-centric and diverse legal framework.

    Way forward

    • There is a need for a comprehensive system to implement and protect their rights.
    • The rights can be safeguarded using the principles of custodianship.
    • The Uttarakhand High Court order named several government functionaries and a couple of independent lawyers as “parents”.
    • An alternative solution is that custodianship or guardianship be given to a body of local communities associated with the river.
    • These communities have traditional or customary rights of the river such as fisherfolk, farmers along the riverbank, and people directly engaged in river-related services.

     

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  • What is Parboiled Rice, and why Centre wants to stop purchasing it?

    Recently, Telangana CM and members of his Cabinet staged a protest demanding a uniform paddy procurement policy. The protest came after the Centre said it was stopping the purchase of excess parboiled rice, of which Telangana is a major producer.

    What is Parboiled Rice?

    • The dictionary meaning of ‘parboil’ is ‘partly cooked by boiling’.
    • Thus, the expression parboiled rice refers to rice that has been partially boiled at the paddy stage, before milling.
    • Parboiling of rice is not a new practice, and has been followed in India since ancient times.
    • However, there is no specific definition of parboiled rice of the Food Corporation of India or the Food Ministry.

    How is it prepared?

    • There are several processes for parboiling rice.
    • The Central Food Technological Research Institute (CFTRI), Mysuru, uses a method in which the paddy is soaked in hot water for three hours, in contrast to the more common method in which paddy is soaked for 8 hours.
    • The water is then drained and the paddy steamed for 20 minutes.
    • Also, the paddy is dried in the shade in the method used by the CFTRI, but is sun-dried in the common method.
    • The Paddy Processing Research Centre (PPRC), Thanjavur follows a method known as the chromate soaking process.
    • It uses chromate, a family of salt in which the anion contains both chromium and oxygen, which removes the odour from the wet rice.
    • All processes generally involve three stages—soaking, steaming and drying. After passing through these stages, the paddy goes for milling.

    Are all rice varieties suitable for parboiling?

    • Generally, all varieties can be processed into parboiled rice, but it is ideal to use long slender varieties to prevent breakage during milling.
    • However, aromatic varieties should not be parboiled because the process can make it can lose its aroma.

    What are the benefits?

    • Parboiling makes rice tougher. This reduces the chances of the rice kernel breaking during milling.
    • It also increases the nutrient value of the rice.
    • It has a higher resistance to insects and fungi.

    Certain disadvantages

    • The rice becomes darker and may smell unpleasant due to prolonged soaking.
    • Besides, setting up a parboiling rice milling unit requires a higher investment than a raw rice milling unit.

    How much is the stock of parboiled rice in the country?

    • According to the Food Ministry, the total stock of parboiled rice is 40.58 lakh metric tonnes (LMT) as on April 1, 2022.
    • Out of this, the highest stock is in Telangana at 16.52 LMT, followed by Tamil Nadu (12.09 LMT) and Kerala (3 LMT).
    • The stock was in the range 0.04–2.92 LMT in 10 other states —Andhra Pradesh, Chhattisgarh, Odisha, Jharkhand, West Bengal, Karnataka, Bihar, Punjab and Haryana.
    • From the other 10 rice-producing states, including Telangana, the Ministry has no plan to procure parboiled rice.
    • In the coming days, the total parboiled rice stock will increase to 47.76 LMT.

    How high is the demand?

    • The Food Ministry pegs the parboiled rice demand at 20 LMT per annum for distribution under the National Food Security Act, 2013.
    • According to the Ministry, the demand for parboiled rice has come down in recent years.
    • In the last few years, production in parboiled rice-consuming states such as Jharkhand, Kerala and Tamil Nadu has increased, resulting in less movement to the deficit states.
    • Earlier, the Food Corporation of India (FCI) used to procure parboiled rice from states such as Telangana to supply to these states.
    • But in recent years, parboiled rice production has increased in these states.
    • The current stock is sufficient to meet the demand for the next two years.

     

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