Question

why are different methods necessary for dry land areas? ​

Answer 1

Techniques include summer fallow rotation (in which one crop is grown on two seasons' precipitation, leaving standing stubble and crop residue to trap snow), and preventing runoff by terracing fields. ... Moisture can be conserved by eliminating weeds and leaving crop residue to shade the soil.

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Answer 2

Answer:

the loss of water causes dry land and in summers due to loss of water under the soil means loss of underground water dry land drought occurs