Dynamics of the mineralisation of nutrients in the decomposition of cotton crop residues

被引：0
|
作者：
Prause, J. [1 ]
De Lifchitz, A. P. [1 ]
Fernandez Lopez, C. [1 ]
机构：
[1] Univ Nacl Nordeste, Fac Ciencias Agrarias, Dept Suelo & Agua, Catedra Edafol, RA-3400 Corrientes, Argentina
来源：
AGROCHIMICA | 2005年 / 49卷 / 5-6期
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D O I：
暂无
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
The aim of this work was to determine the concentrations of N, P, K, Ca, Mg and Na and the averages of remaining nutrients (%RN) during the decomposition of the cotton crop residues. The average of released nutrients during the first quarter was for N = 12.47%; P = 28.98%; Ca = 20.87%; Mg = 12.43%; K = 44.25% and Na = 54.30%. The release is coincident with the rate of decomposition of the cotton crop residues, being determined that at the end of the year the mineralization rate of the elements is faster for K > P > Na > N > Ca > Mg.
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页码：175 / 181
页数：7
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