秸秆覆盖条件下钾肥用量对土壤钾含量和烟叶钾含量的影响
갈간복개조건하갑비용량대토양갑함량화연협갑함량적영향
Effects of Different Application Measures of Potassium Fertilizer on Potassium Contents in Flue-cured Tobacco Leaves and Soil under Straw Mulching Conditions
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