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种植年限对紫花苜蓿栽培草地草产量及土壤氮、磷、钾含量的影响[J]. 草业科学, 2009, 3(12): 82-86.
引用本文: 种植年限对紫花苜蓿栽培草地草产量及土壤氮、磷、钾含量的影响[J]. 草业科学, 2009, 3(12): 82-86.
Effect of different planting years on the yield of alfalfa and content of N, P, K in soil[J]. Pratacultural Science, 2009, 3(12): 82-86.
Citation: Effect of different planting years on the yield of alfalfa and content of N, P, K in soil[J]. Pratacultural Science, 2009, 3(12): 82-86.

种植年限对紫花苜蓿栽培草地草产量及土壤氮、磷、钾含量的影响

Effect of different planting years on the yield of alfalfa and content of N, P, K in soil

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