This paper described the interactive effects of fertilizer and water on yield and potential yield increase of crops.
本文阐述了养分和水分对作物产量及其增产潜力的交互影响。
The results indicated that the potential yield increase was greater in the soil loss region of Loess Plateau, and the present yield only reached 74.
结果指出，该区粮食增产潜力很大，目前整体产量水平仅达到试区攻关水平的74。
Comparison of dryland potential yield increase in gully and hilly regions of Loess Plateau shows that potential yield increase in hilly region is 117.6%, and only 56.6%in gully region.
在黄土台塬区和丘陵区中，丘陵区的粮食增产潜力较台塬区大，前者尚有117.6 %增产能力，后者仅56.6%。
The intermediate tillers could increase grain number per ear by over 5.44% at the same planting density. This indicates that it has a great potential for increasing yield.
在相同密度条件下，利用中位蘖栽培，能提高每穗粒数5．44％以上，表现出具有较大的增产潜力。
Optimum planting pattern is the key to increase crop yield potential in intercropping system.
合理的田间配置是间套作种植挖掘作物产量潜力的关键。
Again, these factors do not increase the yield, but only protect the yield potential that has been built through proper selection and utilization of the yield-building factors.
再强调一遍，这些因素不能增加产量，但如应用得当，可使产量形成因素达到的产量潜势得到保护。
Again, these factors do not increase the yield, but only protect the yield potential that has been built through proper selection and utilization of the yield-building factors.
再强调一遍，这些因素不能增加产量，但如应用得当，可使产量形成因素达到的产量潜势得到保护。
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