| Which of the following practices can help in- water conservation in agriculture? |
| 1. Reduced or zero tillage of the land |
| 2. Applying gypsum before irrigating the field |
| 3. Allowing crop residue to remain in the field |
| Select the correct answer using the code given below: |
A) 1and 2
B) Only 3
C) 1 and 3
D) 1, 2 and 3
Correct Answer: D
Solution :
| Exp. [d] |
| 1. No-till farming (also called zero tillage or direct drilling) is a way of growing crops or pasture from year to year without disturbing the soil through tillage. |
| 2. Major benefits of gypsum are: Source of calcium and sulfur for plant nutrition, Improves acid soils and treats aluminum toxicity, Improves soil structure, |
| 3. Residue from the crops lie on the surface of the field, cooling it and increasing the moisture. |
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