Residual effect of sewage sludge on off-season corn yield

被引：0

作者：

de Cesare Barbosa, Graziela Moraes ^{[1
]}

Tavares, Joao Filho ^{[1
]}

Brito, Osmar Rodrigues ^{[1
]}

Batista Fonseca, Ines Cristina ^{[1
]}

机构：

[1] Univ Estadual Londrina, Dept Agron, BR-86051990 Londrina, PR, Brazil

来源：

REVISTA BRASILEIRA DE CIENCIA DO SOLO | 2007年 / 31卷 / 03期

关键词：

biosolids; organic fertilizer; fertilizer;

D O I：

暂无

中图分类号：

S15 [土壤学];

学科分类号：

0903 ; 090301 ;

摘要：

Among the possibilities of final disposal of sewage sludge, agricultural recycling has become one of the most widely used in several developed countries, and is considered the most appropriate in technical, economical and environmental terms. This study aimed at evaluating the sewage sludge residual effect on off-season corn yield on an Eutroferric Red Latossol (Oxisol). The field experiment was in a randomized block design with three replications, with treatments consisting of increasing doses of sewage sludge (0, 6, 12, 24 and 36 t ha(-1), on a dry weight basis), applied in the two previous cropping seasons.. The res;dual effect of the application of lime-stabilized sewage sludge increased the yield of off-season corn; the grain yield under a rate of 36 t ha(-1) was statistically higher than those under 6 and 12 t ha(-1).

引用

页码：601 / 605

页数：5

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