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Nutrient Uptake and Leaching from Soil Amended with Cattle Manure and Nitrapyrin

文献类型： 外文期刊

作者： Luo, Yang 1 ; Benke, Monica B. 1 ; Hao, Xiying 1 ;

作者机构： 1.Lethbridge Res Ctr, Agr & Agri Food Canada, 5403-1st Ave South, Lethbridge, AB T1J 4B1, Canada

2.Jilin Acad Agr Sci, Agr Environm & Resources Res Ctr, Changsha, Jilin, Peoples R China

关键词： Calcareous soil;corn;DDGS;greenhouse experiment

期刊名称：COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS （ 影响因子：1.327； 五年影响因子：1.315 ）

ISSN： 0010-3624

年卷期： 2017 年 48 卷 12 期

页码：

收录情况： SCI

摘要： We investigated whether nitrification inhibitor nitrapyrin can reduce nutrient leaching and increase nutrient uptake by corn (Zea mays L.) in cattle manure amended soil. Amendments included non-amended check (CK), urea (Urea), REG (manure from cattle fed barley grain), and DDGS (manure from cattle fed 60% dried distillers grains with solubles), co-applied with or without nitrapyrin and leached or unleached with water. Nitrapyrin reduced (P<0.01) leaching of nitrate by 56, 32, and 24% from DDGS, REG, and Urea treatments, respectively, and also reduced (P<0.05) leaching of phosphate (58%), potassium (39%), calcium (39%), and magnesium (39%) from DDGS treatment. While nitrapyrin reduces the rate of ammonium conversion to nitrate, higher magnesium and phosphate levels in DDGS-amended soil favor struvite formation and reduce their leaching. Corn biomass and nutrient uptake were higher (P<0.01) in DDGS and Urea than CK and REG treatments, but remained unaffected by nitrapyrin. The benefits of nitrapyrin should be further investigated under field conditions.Abbreviations: DCD, dicyandiamide; DDGS, dried distillers grains with solubles; NI, nitrification inhibitor; TP, total P; TN, total N.

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