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Soil phosphorus availability and fractionation in response to different phosphorus sources in alkaline and acid soils: a short-term incubation study

文献类型： 外文期刊

作者： Wang, Yuan 1 ; Zhang, Wei 1 ; Mueller, Torsten 3 ; Lakshmanan, Prakash 2 ; Liu, Yu 6 ; Liang, Tao 2 ; Wang, Lin 7 ; Yang, Huaiyu 1 ; Chen, Xinping 1 ;

作者机构： 1.Southwest Univ, Acad Agr Sci, Coll Resources & Environm, Key Lab Efficient Utilizat Soil & Fertilizer Resou, Chongqing 400716, Peoples R China

2.Southwest Univ, Interdisciplinary Res Ctr Agr Green Dev Yangtze Ri, Chongqing, Peoples R China

3.Univ Hohenheim, Inst Crop Sci, D-70593 Stuttgart, Germany

4.Guangxi Acad Agr Sci, Sugarcane Res Inst, Nanning 530007, Peoples R China

5.Univ Queensland, Queensland Alliance Agr & Food Innovat, St Lucia, Qld 4067, Australia

6.Zhejiang Univ, Coll Life Sci, Hangzhou 310058, Zhejiang, Peoples R China

7.Chongqing Acad Agr Sci, Chongqing 40000, Peoples R China

期刊名称：SCIENTIFIC REPORTS （ 影响因子：4.6； 五年影响因子：4.9 ）

ISSN： 2045-2322

年卷期： 2023 年 13 卷 1 期

页码：

收录情况： SCI

摘要： Using agricultural wastes as an alternative phosphorus (P) source has great prospects to improve soil P status. A 70-day incubation experiment was carried out to investigate the effects of superphosphate (SSP), poultry manure (PM), cattle manure (CM), maize straw (MS), and cattle bone meal (CB) with the same total P input on soil P availability and fractions in typical acidic (red soil) and alkaline (fluvo-aquic soil) soils. The results showed that in both fluvo-aquic and red soils, CM out-performed other P sources in improving soil P availability. Changes in soil Olsen-P (Delta Olsen-P) were greater in fluvo-aquic soils with SSP, PM and CM additions than in red soils. Among the different P sources used, only CM has increased the labile soil P fractions to levels similar to that with SSP. Compared with SSP, more monoester P and inositol hexakisphosphate were detected in soils amended with PM and CM. A structural equation model (SEM) analysis suggested that soil pH had a direct positive effect on the labile P fractions in the acidic red soil amended with different P sources. In summary, CM is a superior P source for increasing plant available soil P, with considerable practical implications for P recycling.

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