Nitrogen Leaching Loss in Growth Period of Rape in Purple Soil

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Nitrogen Leaching Loss in Growth Period of Rape in Purple Soil

更新时间：2024-11-07

- Nitrogen Leaching Loss in Growth Period of Rape in Purple Soil
- Issue 1, Pages: 83-86(2006)
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- Published：2006
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Nitrogen Leaching Loss in Growth Period of Rape in Purple Soil[J]. 2006, (1): 83-86.
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Nitrogen Leaching Loss in Growth Period of Rape in Purple Soil[J]. 2006, (1): 83-86. DOI：

摘要

利用原状回填土渗漏池研究了油菜生长季节氮素在紫色土中的移动特点和淋洗损失以及影响氮素移动和淋失的因素。结果表明．油菜生长期间氮素的渗漏淋失星波浪式的变化．在移栽后的第10天、40天、90天和110天左右出现了4次淋洗峰；油菜季各处理氮素淋失总量变动在1．81～5．43kg／hm^2．平均为3．35kg／hm^2；油菜季氮素淋失量，前期（移栽后0～50天）：中期（51～100天）；后期（101天～收获）约为3：1：2。降雨量、氮肥用量、肥料品种和土壤性质影响了NO3^- -N在紫色土中的移动和淋失。

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Nitrogen Leaching Loss in Growth Period of Rape in Purple Soil

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Related Institution

Key Laboratory of Ecological Environment in the Three Gorges Reservoir Area of Ministry of Education， School of Life Sciences， Southwest University

College of Resources and Environment， Southwest University

Key Laboratory of Mountain Surface Processes and Ecological Regulation, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Ministry of Water Resources and Electric Power

College of Resources and Environment, Yunnan Agricultural University

College of Resources and Environment, Southwest University, Chongqing Key Laboratory of Soil and Water Conservation and Ecological Restoration

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