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5. Fate of N from Green Manures and Ammonium Sulfate

Fate of N from Green Manures and Ammonium Sulfate

来源 :土壤圈：英文版 | 被引量 : 0次 | 上传用户：jielonglong

【摘 要】

：

By means of ^15N tracer technique the fate of N in ammonium sulfate,milk vetch,sesbania and azolla,and the availability of their residual N were studied in a mi

【作 者】

：

SHISHU－LIAN WENQI－XIAO 等 

【机 构】

：

InstituteofSoilScience,LMCP

【出 处】

：

土壤圈：英文版

【发表日期】

：

1991年3期

【关键词】

：

硫酸铵 绿肥 氮素有效性 azolla  milk vetch  N availability ratio  sesbania 

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By means of ^15N tracer technique the fate of N in ammonium sulfate,milk vetch,sesbania and azolla,and the availability of their residual N were studied in a microplot experiment.Results showed that a) at the end of the first crop of early rice,both plant

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