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Varying Phosphate Fertilizers Exerted Different Effects on Inorganic Phosphorus Transformation, Tobacco Growth, and Phosphorus Use Efficiency in Purple Soil

文献类型： 外文期刊

作者： Huang, Zhenrui 1 ; Wu, Qihua 2 ; Chen, Zhenlu 3 ; Wu, Gengfu 4 ; Li, Jiqin 1 ; Zhou, Wenling 2 ; Pan, Xiaoying 1 ; Zhang, Xingxing 2 ; Ao, Junhua 2 ; Chen, Diwen 2 ;

作者机构： 1.Guangdong Acad Agr Sci, Crops Res Inst, Guangdong Prov Engn & Technol Res Ctr Tobacco Bree, Guangdong Prov Key Lab Crop Genet & Improvement, Guangzhou 510640, Peoples R China

2.Guangdong Acad Sci, Inst Nanfan & Seed Ind, Guangzhou 510316, Peoples R China

3.China Natl Tobacco Corp, Guangdong Branch, Guangzhou 510610, Peoples R China

4.Longmen Cty Municipal Bur Agr & Rural Affairs, Huizhou 516800, Peoples R China

关键词： Tobacco; Phosphate fertilizer; Transformation of inorganic phosphorus; Phosphorus use efficiency

期刊名称：JOURNAL OF SOIL SCIENCE AND PLANT NUTRITION （ 影响因子：3.9； 五年影响因子：3.9 ）

ISSN： 0718-9508

年卷期： 2023 年

页码：

收录情况： SCI

摘要： The arbitrary selection of phosphate fertilizer source and their low use efficiency in tobacco production makes it necessary to select rational phosphate fertilizer in purple soil, which is characterized with low soil phosphorus (P) availability. No phosphate fertilizer (control), single superphosphate (SSP), calcium-magnesium phosphate (CMP), ammonium polyphosphate (APP), monoammonium phosphate (MAP), and diammonium phosphate (DAP) were used to study the effects of different phosphate fertilizer source on inorganic P transformation, tobacco growth, and P utilization. During the 90-day incubation experiment, there were obvious differences in the dynamics of soil inorganic P fractions among the five P applied treatments, and the soil Olsen-P contents of all P applied treatments showed an increasing trend while soil pH showed the opposite trend. In the greenhouse pot experiment, the five P applied treatments increased the agronomic traits and P use efficiency (PUE) of tobacco compared to the control, and CMP and DAP had the larger increase of tobacco weight and PUE. Also, the soil Olsen-P, pH, phosphatase activities, and inorganic P fractions obviously differed among the five P applied treatments, the CMP had the highest alkaline phosphatase (ALP) activity and NH4Ac-extractable P (Ca-8-P) contents, and DAP had the second-highest acid phosphatase (ACP) and neutral phosphatase (NP) activities and highest NaHCO3-extractable P (Ca-2-P) content. In addition, the differences in the contents and proportions of inorganic P fractions between the indoor incubation soil and the tobacco-growing soil indicated that Ca-8-P was an important source of P for tobacco growth. In all, the CMP and DAP are more suitable phosphate fertilizer source in purple soil, as they better promoted tobacco growth and development and P utilization.

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