河南省农业科学院机构知识库

Manures behave similar to superphosphate in phosphorus accumulation in long-term field soils

文献类型：外文期刊

作者： Huang, Sh. ² ; Ma, Y. ¹ ; Bao, D. ² ; Guo, D. ² ; Zhang, Sh. ² ;

作者机构： 1.Chinese Acad Agr Sci, Inst Agr Resources & Reg Planning, Key Lab Plant Nutr & Nutrient Cycling, Minist Agr, Beijing 100081, Peoples R China

2.Henan Acad Agr Sci, Inst Plant Nutr Resources & Environm, Zhengzhou 450002, Henan, Peoples R China

关键词： Phosphorus;Accumulation;Long-term;Soil

期刊名称：INTERNATIONAL JOURNAL OF PLANT PRODUCTION （影响因子：2.017；五年影响因子：1.85 ）

ISSN： 1735-6814

年卷期： 2011 年 5 卷 2 期

页码：

收录情况： SCI

摘要： Repeated application of manures to agricultural soils could cause the accumulation of phosphorus (P) in soils. However, it is unclear if manure P can behave similar to P in soluble fertilizers in accumulation Olsen-P (0.5 mol L(-1) NaHCO(3) at pH 8.5) in soils. A long-term wheat-maize rotation experiment was conducted to investigate the effects of repeated application of manures on P accumulation in soils. The results showed that excessive or residual P in soils led to increase of Olsen-P in soils, which could be predicted accurately by initial concentration of Olsen-P in soils, P fertilization rate, crop yield, soil pH and cultivation time. The effects of application of K fertilizers or maize straw to soils or replacement of maize with soybean in wheat cropping systems were not significant on soil Olsen-P accumulation. The accumulation rates of soil Olsen-P were governed by P application rates of soluble P fertilizers and/or manures. Similar trend of Olsen-P accumulation was found in soils with soluble P fertilizers only or plus manures P, which supplied evidence that behaviour of manure P in long-term field soils is similar to inorganic P fertilizers and are helpful for the best management of soil P in agricultural production and environment protection.

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Manures behave similar to superphosphate in phosphorus accumulation in long-term field soils

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Manures behave similar to superphosphate in phosphorus accumulation in long-term field soils

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