Water is the main factor influencing crop yield in dryland areas, and the efficient way to increase crop yield is to improve utilization efficiency of precipitation.
水分是限制旱地作物产量最主要的因素，提高自然降水利用效率是增加旱地作物产量的有效途径。
The phosphorus fertilizer is the main restricted factor that the wheat (Jimai20) yield improves. Application of P and N fertilizer could obviously increase the wheat yield.
即在本试验条件下磷肥是济麦20产量提高的主要限制性因素，增施磷肥、适量施用氮肥可以提高其产量。
The increase of sterility rate was the direct factor causing yield loss.
空壳率的上升是造成产量损失的直接因素；
The key factor to increase the yield was ripened grains per panicle of new hybrid rice and varieties with idea type.
促使水稻新品种产量增长的关键因素是增加了杂交粳稻和理想株型品种的每穗成粒数。
Among the factor that contributed to the increase of maize yield, improved varieties account for132above 35%.
在玉米增产的诸要素中，良种本身的作用要占35%以上。
The result indicated that the increase of grain yield was mainly attributed to magnifying of total sink capacity with the increase of number of spikelets per panicle as the key factor.
结果表明，产量的增加主要与品种改良过程中总库容的扩大有关，其中每穗粒数的增加是关键。
The result indicated that the increase of grain yield was mainly attributed to magnifying of total sink capacity with the increase of number of spikelets per panicle as the key factor.
结果表明，产量的增加主要与品种改良过程中总库容的扩大有关，其中每穗粒数的增加是关键。
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