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Agriculture › Soils
When you travel in certain parts of India, you will notice red soil. What is the main reason for this colour ?
(a)
Abundance of magnesium
(b)
Accumulated humus
(c)
Presence of ferric oxides
(d)
Abundance of phosphates
(C)
Tamil Nadu is a leading producer of mill-made cotton yarn in the country what could be the reason? 1. Black cotton soil is the predominant type of soil in the State. 2. Rich pool of skilled labour is available. Which of the above is/are the correct reasons?
1 only
2 only
Both 1 and 2
Neither 1 nor 2
(B)
With reference to soil conservation, consider the following practices : 1. Crop rotation 2. Sand fences 3. Terracing 4. Wind breaks Which of the above are considered appropriate methods for soil conservation in India ?
1,2 and 3 only
2 and 4 only
1,3 and 4 only
1,2,3 and 4
(D)