Contribution of litter and nitrogen to soil under Pseudosamanea guachapele and Eucalyptus grandis plantations

被引:32
作者
Balieiro, FD
Franco, AA
Pereira, MG
Campello, EFC
Dias, LE
de Faria, SM
Alves, BJR
机构
[1] Embrapa Agrobiol, BR-23890000 Seropedica, RJ, Brazil
[2] Univ Fed Rural Rio De Janeiro, Dept Solos, BR-23890000 Seropedica, RJ, Brazil
[3] Univ Fed Vicosa, Dept Solos, BR-37560000 Vicosa, MG, Brazil
关键词
nutrient cycle; mixed forest;
D O I
10.1590/S0100-204X2004000600012
中图分类号
S [农业科学];
学科分类号
09 ;
摘要
The litter deposition and nitrogen content on litter leaves were studied on seven years old pure and 1:1 mixed stand of guachapele (Pseudosamanea guachapele) and eucalyptus (Eucalyptus grandis). There was no difference in litter deposition among species in pure or mixed crop: 12.75 Mg ha(-1) for guachapele, 11.84 Mg ha(-1) for the eucalyptus and 12.44 Mg ha(-1) for the mixed crop. The legume three contribution to the mixed stand was only 11% of the total, but reduced by 0.3 year the time of residue residence on the soil.
引用
收藏
页码:597 / 601
页数:5
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