The soil humidity and fertilizer dosages are important factors that affect the farm crop yield and qualities.

土壤水分与肥料是影响作物产量与品质的重要因子。

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The fresh applied fertilizers to groundnut did not affect the groundnut yield, essentially because higher levels had already been applied to previous maize crop.

新施于花生的肥料对花生产量不产生影响，根本原因在于前茬作物玉米已施过较高水平的肥料。

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The crop productivity would affect the yield and the population carrying capacity, so the study on the climate change in agro pastoral zone was very important.

由于作物生产力会直接影响粮食产量进而影响到该地区的人口承载力，所以研究农牧交错带地区的气候变化及其对人口承载力的影响有非常重要的意义。

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