Whether was potassium balance kept in purple soil cornfield ecosystem under a rotation of rice and wheat?

稻—麦轮作期紫色土农田生态系统钾素平衡状况怎样？

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Potassium(K) balance in purple soil rice field ecosystem under rice-wheat rotation were studied on the National Purple Soil Fertility and Fertilizer Efficiency Monitored Base.

在国家紫色土肥力与肥料效益监测基地上，研究了稻麦轮作制度下紫色土稻田生态系统中钾素的平衡状况。

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By using outdoor pot-culture method combined with biological magnetic effect analysis, this paper studied the effect of soil magnetization on soil-wheat ecosystem health.

应用室外盆栽试验方法，将土壤磁效应与生物磁效应相结合，研究了磁处理土壤对土壤小麦系统健康的影响。

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