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Responses of Wheat Yield, Macro- and Micro-Nutrients, and Heavy Metals in Soil and Wheat following the Application of Manure Compost on the North China Plain

文献类型： 外文期刊

作者： Wang, Fan 1 ; Wang, Zhaohui 1 ; Kou, Changlin 3 ; Ma, Zhenghua 3 ; Zhao, Dong 4 ;

作者机构： 1.Northwest Agr & Forestry Univ, State Key Lab Crop Stress Biol Arid Areas, Yangling, Shaanxi, Peoples R China

2.Northwest Agr & Forestry Univ, Key Lab Plant Nutr & Agri Environm Northwest Chin, Minist Agr, Coll Nat Resources & Environm, Yangling, Shaanxi, Peoples R China

3.Henan Acad Agr Sci, Inst Plant Nutr & Resource Environm, Zhengzhou, Peoples R China

4.Minist Agr, Henan Acad Agr Sci, Key Lab Anim Immunol, Henan Prov Key Lab Anim Immunol, Zhengzhou, Peoples R China

期刊名称：PLOS ONE （ 2020影响因子：3.24； 五年影响因子：3.788 ）

ISSN： 1932-6203

年卷期： 2016 年 11 卷 1 期

页码：

收录情况： SCI

摘要： The recycling of livestock manure in cropping systems is considered to enhance soil fertility and crop productivity. However, there have been no systematic long-term studies of the effects of manure application on soil and cropmacro- and micro-nutrients, heavy metals, and crop yields in China, despite their great importance for sustainable crop production and food safety. Thus, we conducted field experiments in a typical cereal crop production area of the North China Plain to investigate the effects of compost manure application rates on wheat yield, as well as on the macro-/micro-nutrients and heavy metals contents of soil and wheat. We found that compost application increased the soil total N and the available K, Fe, Zn, and Mn concentrations, whereas the available P in soil was not affected, and the available Cu decreased. In general, compost application had no significant effects on the grain yield, biomass, and harvest index of winter wheat. However, during 2012 and 2013, the N concentration decreased by 9% and 18% in straw, and by 16% and 12% in grain, respectively. With compost application, the straw P concentration only increased in 2012 but the grain P generally increased, while the straw K concentration tended to decrease and the grain K concentration increased in 2013. Compost application generally increased the Fe and Zn concentrations in straw and grain, whereas the Cu and Mn concentrations decreased significantly compared with the control. The heavy metal concentrations increased at some compost application rates, but they were still within the safe range. The balances of the macro-and micro-nutrients indicated that the removal of nutrients by wheat was compensated for by the addition of compost, whereas the level of N decreased without the application of compost. The daily intake levels of micronutrients via the consumption of wheat grain were still lower than the recommended levels when sheep manure compost was applied, except for that of Mn.

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