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。
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。
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。
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