Nitrogen Loss in the Different Maize Intercropping on Surface Runoff Under the Natural Rainfall ConditionsChinese Full Text
WANG Xin-xing;RONG Xiang-min;ZHANG Yu-ping;XIE Yong;LIU Qiang;College of Resources and Environment,Hunan Agricultural University,National Engineering Laboratory of Resources Efficient Utilization on Soil and Fertilizer,Hunan Provincial Key Laboratory of Farmland Pollution Control and Agricultural Resources Use,Hunan Provincial Key Laboratory of Plant Nutrition in Common University;
Abstract: According to the field plot test which was the typical southern hilly mountain area under the condition of natural rainfall,the analysis of maize with different crops against the dry land runoff nutrient was made in the influence of different forms of nitrogen loss.The results showed that the corn and other crops intercropping could more effectively reduce the different forms of nitrogen in dry land runoff nutrient losses.Relative to the maize monoculture,maize/soybean intercropping effect was the best,the loss of TN concentration and the loss load could reach to 64.13%and 74.4%respectively,TDN loss concentration and load reduced by58.12%,70.82%,respectively,NO-3-N decreased by 63.36%,69.78%,NH+4-N decreased by 65.65%and 83.86%respectively.And the second was corn/sweet potato intercropping effect which decreased the PN loss load by 75.16%.
- DOI：
10.13870/j.cnki.stbcxb.2014.05.020
- Series：
- Subject：
- Classification Code：
S157.1;S344.3
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