Question

why there is needed for varietal improvement

Answer 1

There are numerous reasons for varietal improvements,increased yield in the final goal .This may be bringing about by various inmprovement. Disease resistance ,insect tolerance or abiliy to repel , and drought tolerance are only a few of the reasons.

Answer 2

There are numerous reasons for varietal improvements,increased yield in the final goal .This may be bringing about by various inmprovement. Disease resistance ,insect tolerance or abiliy to repel , and drought tolerance are only a few of the reasons. But the final goal is increased yield in some way.
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