GUO Shengli,YU Cunzu,DAI Mingjun.Simulated Test of Effects of Organic Manure on Leaching of NO3--N in Soil Profile[J].Research of Soil and Water Conservation,2000,7(04):123-126.
有机肥对土壤剖面硝态氮淋失影响的模拟研究
- Title:
- Simulated Test of Effects of Organic Manure on Leaching of NO3--N in Soil Profile
- Keywords:
- organic manure; NO3--N; leaching; simulated test
- 分类号:
- S158.5
- 摘要:
- 利用三种不同长度的土柱，模拟研究了有机肥对土壤剖面中土壤硝态氮淋失的影响.结果表明，有机肥对KNO3氮肥中NO3--N的淋失有一定抑制作用；施加有机肥可提高土壤碱解态氮含量；有机肥本身亦可产生NO3--N淋失.
- Abstract:
- The simulated test was conducted by means of three kinds of soil column of 60 cm,100 cm and 150 cm length.The results were as follows: The organic manure could reduce leaching of NO3--N from KNO3 addition and increase the level of soil hydrolable nitrogen.The organic manure itself could produce leaching of NO3--N in soil column.
参考文献/References:
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[3] 朱兆良,农田生态系统中化肥氮的去向和氮素管理[C].见:中国土壤氮素,南京:江苏科技出版社,213～266
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备注/Memo
收稿日期:2000-10-8
基金项目:本研究在黄土高原土壤侵蚀与旱地农业国家重点实验室进行，获中国科学院重点研究项目基金资助（批准号Z102）.