连续秸秆还田对油菜水稻轮作土壤磷素有效性 及作物磷素利用效率的影响
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Effect of Continuous Straw Returning on Soil Phosphorus Availability and Crop Phosphorus Utilization Efficiency of Oilseed Rape-Rice Rotation
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图2. 2015-2018年不同施磷处理下油菜(O)-水稻(R)轮作体系作物吸收的磷 |
Fig. 2. P2O5 accumulation of oilseed rape-rice rotation system under different P treatments during the period of 2015-2018 |
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