Increasing yield level per unit area is forever theme for rice breeding aim, and advancing photosynthesis efficiency is one of key factors for improving grain yield.
提高单位面积的产量是水稻育种目标永恒的主题，提高光合作用效率又是提高产量的关键因素。
The 2 conservation tillage systems showed promise in reducing water and soil erosion, saving energy, increasing corn yield, and improving water use efficiency.
这两套保护耕作体系有利于减轻水土流失，节省能源，增加作物产量，提高水分利用效率。
The relationship between Fertilizer application methods and fertilizer use efficiency, nutrition and yield increasing, and microbe and crop nutrition were reviewed in this paper.
叙述了施肥方法与提高肥料利用率，营养与作物增产机理，以及微生物与作物营养之间的关系等方面的研究进展。
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