The study of plant nutrition and growth especially as a way to increase crop yield.
对植物营养与生长，特别是为增产的研究。
Quantity of water supply of an area will directly influence the production of crop yield.
一个地区水量的充足与否直接影响该区农作物产量的高低。
Quantity of water supply of an area will directly influence the production of crop yield.
一个地区水量的充足与否直接影响该区农作物产量的高低。
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