... same crops year after year, usually store a part of their crops for use as seeds. However, they can also buy certified good quality seeds from State Agricultural Departments or Seed Corporations. Farmers usually grow high yielding varieties anbsp;...
Title | : | Science In Action:Biology 8 |
Author | : | Bhattacharya Dr. Shakuntala |
Publisher | : | Pearson Education India - 2007-09-01 |
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