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The difference in the response of yield components to fertilizer among rice varietal types was studied.
研究了水稻品种类型间产量构成因素对肥力反应差异.
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In different sowing times, yield differed greatly and yield components differed little among the seedling densities.
在不同的播种期下各种植密度间产量差异较大,但产量构成因素差异较小.
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