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Interaction of liming and long-term fertilization increased crop yield and phosphorus use efficiency (PUE) through mediating exchangeable cations in acidic soil under wheat-maize cropping system

Agriculture

Interaction of liming and long-term fertilization increased crop yield and phosphorus use efficiency (PUE) through mediating exchangeable cations in acidic soil under wheat-maize cropping system

M. Qaswar, L. Dongchu, et al.

Discover how long-term fertilizer and quicklime application can enhance phosphorus use efficiency and boost crop yields in acidic soils. This groundbreaking research by Muhammad Qaswar, Li Dongchu, Huang Jing, Han Tianfu, Waqas Ahmed, Muhammad Abbas, Zhang Lu, Du Jiangxue, Zulqarnain Haider Khan, Sami Ullah, Zhang Huimin, and Wang Boren reveals the significance of liming in agricultural practices.

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Playback language: English
Abstract
Low phosphorus use efficiency (PUE) in acidic soil limits crop growth. This study investigated the effects of long-term fertilizer and quicklime (CaO) application on crop yield and PUE in acidic soil under a wheat-maize rotation system. Results showed that lime significantly increased soil exchangeable base cations (Ca²⁺ and Mg²⁺) and decreased Al³⁺, leading to higher PUE and crop yields. Soil pH was positively correlated with exchangeable Ca²⁺, PUE, and crop yield, while negatively correlated with exchangeable Al³⁺. Exchangeable Ca²⁺, pH, exchangeable Al³⁺, and available N were the most influential factors for crop yield. Liming is an effective strategy to mitigate soil acidification and increase PUE for high crop yields in acidic soil.
Publisher
Scientific Reports
Published On
Nov 13, 2020
Authors
Muhammad Qaswar, Li Dongchu, Huang Jing, Han Tianfu, Waqas Ahmed, Muhammad Abbas, Zhang Lu, Du Jiangxue, Zulqarnain Haider Khan, Sami Ullah, Zhang Huimin, Wang Boren
Tags
phosphorus use efficiency
acidic soil
crop yield
lime application
wheat-maize rotation
soil pH
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