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Nutrient Cycling and Balance in Red Soil Agroecosystem and Their Management
被引：5
作者：
HE YUANQIU and LI ZHIMINGInstitute of Soil Science the Chinese Academy of Sciences PO Box Nanjing China
[821
,210008
]
机构：
来源：
关键词：
balance;
nutrient cycling;
red soil agroecosystem;
regulation options;
D O I：
暂无
中图分类号：
S157.1 [水土流失的原因及其防治];
学科分类号：
0815 ;
082802 ;
090707 ;
0910 ;
摘要：
An experiment was conducted in a red soil derived from Quaternary red clay in the Ecological ExperimentStation of Red Soil, the Chinese Academy of Sciences, located in Yingtan (28° 15′ 30″ N, 116° 55′ 30″E), Jiangxi Province. The results show that the major ways of nutrient loss are leaching and nitrogenvolatilization. Rationalizing crop distribution, stimulating nutrient recycling, and improving internal nutrientflow are effective measures to decrease nutrient loss and to promote nutrient utilization efficiency. Theimportant ways of regulating nutrient cycling and balance in the agroecosystem of the red soil are to establishoptimal eco-agricultural models, practice balanced fertilization and combine the cropping system with thelivestock system.
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页码：107 / 116
页数：10
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