Ping He

Cornell University

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Wei Zhou

Sichuan Agricultural University

Guoqing Liang

Henan Agricultural University

Shaojun Qiu

Institute of Agricultural Resources and Regional Planning

Wei Zhou

Chinese Academy of Agricultural Sciences

Xiu‐Bin Wang

Institute of Agricultural Resources and Regional Planning

Shicheng Zhao

Institute of Agricultural Resources and Regional Planning

Chao Ai

Yanshan University

Xinpeng Xu

Institute of Agricultural Resources and Regional Planning

Bao Lin

Institute of Population and Labor Economics

Jingwen Sun

Liaoning Technical University

Cooperative Institutions

Chinese Academy of Agricultural Sciences

Institute of Agricultural Resources and Regional Planning

Ministry of Agriculture and Rural Affairs

Chinese Academy of Sciences

China Agricultural University

University of Chinese Academy of Sciences

Soil and Fertilizer Institute of Hunan Province

Hunan Agricultural University

Beijing Academy of Agricultural and Forestry Sciences

Central South University

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The long‐term soil phosphorus balance across Chinese arable land

Soil Use and Management (2018)

Junxuan Ma Ying Liu Wenqing He Ping He P. M. Haygarth

Abstract Quantifying temporal and spatial variation of soil phosphorus (P) input, output and balance across Chinese arable land is necessary for better P management strategies. Here, we address this challenge using a soil P budget to analyse the soil P balance in arable land across the whole of China, for the period 1980–2012. Results indicated that the total P input to soil increased from 22.5 kg P/ha in 1980 to 79.1 kg P/ha in 2012. However, the total P output from soil only increased from 17.9 kg P/ha in 1980 to 36.9 kg P/ha in 2012. Therefore, the average net soil P surplus in China increased from 4.6 kg P/ha in 1980 to 42.1 kg P/ha in 2012. Our research found great variation in soil P balances across different regions. Soil P balance varied between regions with the order of southeast (SE) > north central (NC) and the middle and lower reaches of Yangtze River (MLYR) > southwest (SW) > northwest (NW) > northeast (NE). Phosphorus that has accumulated in agricultural soil across China could theoretically meet crop P demands for approximately 4.8–12.0 yrs, depending on the bioavailability of P stored in soils. Increasing the return rates of manure and straw could substantially reduce the demand for fertilizer‐P. This paper represents a basis for more targeted, regionally informed P fertilizer recommendations in Chinese soils.

Arable land

10.1111/sum.12438

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Citations (25)

A distinctive root-inhabiting denitrifying community with high N2O/(N2O+N2) product ratio

Soil Biology and Biochemistry (2017)

Chao Ai Guoqing Liang Xiu‐Bin Wang Jingwen Sun Ping He

Nitrous oxide

10.1016/j.soilbio.2017.02.008

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Aggregate mass and carbon stocks in a paddy soil after long‐term application of chemical or organic fertilizers

Soil Use and Management (2022)

Shaojun Qiu Jun Nie Shiping Long Yanhong Lu Shicheng Zhao

Abstract The soil organic carbon stock that accumulates in soil aggregates as a result of the practice of fertilizer application is important for sustainable agriculture and for mitigating the effects of climate change. In this study, we investigated how the practice of fertilizer application affects the mass of soil aggregates and carbon stocks in surface and subsoil layers in rice paddy soil. We determined the mass and carbon concentration in different size classes of aggregates in soil in the top 40‐cm layer after the long‐term application of different fertilizers. We found that the amount of organic carbon in bulk soil and aggregates decreased with increasing soil depth, except free microaggregates (free‐m, 250–53 µm), which showed the opposite trend. Macroaggregates (>250 µm) were the main type of soil particles in both surface soil and subsoil. Compared with the unfertilized control or chemical fertilizer treatments, manure or straw combined with chemical fertilizers significantly ( p < 0.05) increased the mass and carbon concentration in small macroaggregates (2000–250 µm) and small macroaggregate fractions in the surface soil (0–20 cm), whilst the opposite effect was detected for large macroaggregates (>2000 µm) and large macroaggregate fractions. In the top 40‐cm soil layer, the carbon content in small macroaggregates and most small macroaggregate fractions increased linearly with increasing carbon input rate, but that in large macroaggregates and most large macroaggregate fractions decreased. Overall, small macroaggregates were the dominant particle size class harbouring carbon stocks, and the subsoil in this paddy soil has a high potential for carbon sequestration.

Soil carbon

Subsoil

Soil horizon

10.1111/sum.12807

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Citations (10)

Changes in soil carbon and nitrogen pools in a Mollisol after long-term fallow or application of chemical fertilizers, straw or manures

Soil and Tillage Research (2016)

Shaojun Qiu Hongjun Gao Ping Zhu Yunpeng Hou Shicheng Zhao

Mollisol

Soil carbon

10.1016/j.still.2016.07.002