CONSERVATION TILLAGE AND SEASON EFFECTS ON SOIL-EROSION RISK

被引：0

作者：

MILLS, WC ^{[1
]}

THOMAS, AW ^{[1
]}

LANGDALE, GW ^{[1
]}

机构：

[1] USDA ARS,SO PIEDMONT CONSERVAT RES CTR,WATKINSVILLE,GA 30677

来源：

JOURNAL OF SOIL AND WATER CONSERVATION | 1991年 / 46卷 / 06期

关键词：

D O I：

暂无

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

Evaluating soil erosion risk requires probability estimates for various soil loss rates in addition to the long-term average rate provided by the universal soil loss equation. In this study, distributions of soil loss rate probabilities were computed for conventional and conservation tillage of various summer and winter crops on three field-sized watersheds in the Southern Piedmont. Comparison of these distributions showed that conservation tillage has immediate and residual effects on controlling and reducing erosion risk in both summer and winter crop seasons. The reduction in erosion risk is greater for the summer season than for the winter season.

引用

页码：457 / 460

页数：4

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