Effects of Long-Term Application of Inorganic Fertilizers on Biochemical Properties of a Rice-Planti

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一个长期的实验在江西省的 Yingtan 被建立在从第四级的红壤导出的种大米的土壤的生物化学的性质上调查无机肥料的长期的申请的效果。Noncultivated 土壤被低 pH 和缺乏极其在可得到的营养素,特别地 P 和 N 侵蚀并且描绘。在 13 年在为双 cropped 大米的耕作的无机的授精以后,土壤的生物化学的性质被改变。没有 N 申请,氮的硝化作用潜力和脲酶活动比那些在有 N 申请的处理是更高的。没有 P 申请,酸性磷酸酶活动和脱氢酶活动比在那些在有 P 申请的处理也是更高的。脱氢酶活动与全部的
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