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:
Options
(a)1 and 2 only
(b)3 only
(c)1 and 3 only
(d)1, 2 and 3
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Class 12Water Resources— NCERT Geography, Chapter 4. Water scarcity may be the greatest challenge of the future. India has 2.45 per cent of the world's area, 4 per cent of its water and over 17 per cent of its people. Of…
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