SOIL AND NUTRIENT LOSSES DUE TO WATER EROSION AT MORAINE SITES

被引:0
|
作者
FRIELINGHAUS, M [1 ]
机构
[1] AKAD LANDWIRTSCHAFTSWISSEN DDR,FORSCHUNGSZENTRUM BODENFRUCHTBARKEIT MUNCHEBERG,MUNCHEBERG,GERMANY
关键词
EROSION; SOIL REMOVAL; LOSS; MAIZE; POTATO; SUGAR BEET; PRECIPITATION; SLOPE;
D O I
暂无
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
At younger moraine sites, soil has been increasingly eroded under intensive crop production. Soil loss surveys were made on Luvic Arensols. Albic and Eutric Podzoluvisols, and Calcic and Orthic Luvisols from 1982 to 1987. The results revealed sediment losses to range between 0.2 and 170 t/ha containing 3.1 to 23 kg total C, 0.3 to 1.8 kg total N, up to 0.3 kg DL-soluble P and K, and up to 1.8 kg total P per ton of soil. The removal of soil is caused by a few torrential and many moderate rains. In some crop species, the management practices lead to great soil and nutrient losses.
引用
收藏
页码:587 / 597
页数:11
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