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Effects of Organic and Inorganic Fertilizers on Soil Nutrient Conditions in Rice Fields with Varying Soil Fertility

Author

Listed:
  • Guozhu Ma

    (College of Tropical Crops, Hainan University, No. 58 Renmin Avenue, Meilan District, Haikou 570228, China
    National Technology Innovation Center for Saline Tolerant Rice, No. 736 Yuanda 2nd Road, Furong District, Changsha 410125, China)

  • Shenghai Cheng

    (College of Tropical Crops, Hainan University, No. 58 Renmin Avenue, Meilan District, Haikou 570228, China
    National Technology Innovation Center for Saline Tolerant Rice, No. 736 Yuanda 2nd Road, Furong District, Changsha 410125, China)

  • Wenli He

    (College of Tropical Crops, Hainan University, No. 58 Renmin Avenue, Meilan District, Haikou 570228, China
    National Technology Innovation Center for Saline Tolerant Rice, No. 736 Yuanda 2nd Road, Furong District, Changsha 410125, China)

  • Yixuan Dong

    (College of Agriculture, Hunan Agricultural University, No. 1 Nongda Road, Furong District, Changsha 410127, China)

  • Shaowu Qi

    (National Technology Innovation Center for Saline Tolerant Rice, No. 736 Yuanda 2nd Road, Furong District, Changsha 410125, China
    Hunan Academy of Agricultural Sciences, No. 892 Yuanda 2nd Road, Furong District, Changsha 410125, China)

  • Naimei Tu

    (College of Agriculture, Hunan Agricultural University, No. 1 Nongda Road, Furong District, Changsha 410127, China)

  • Weixu Tao

    (College of Tropical Crops, Hainan University, No. 58 Renmin Avenue, Meilan District, Haikou 570228, China
    National Technology Innovation Center for Saline Tolerant Rice, No. 736 Yuanda 2nd Road, Furong District, Changsha 410125, China)

Abstract

The majority of crop-growing areas in China have low or medium fertility levels, which limits the yield of crops grown in those areas. Fertilizer application can improve soil quality, but the effects of such treatments vary depending on the base soil fertility. However, the specific differences associated with the application of different fertilizer types to soils of varying fertility levels have yet to be clearly delineated. Here, the influences of several fertilizer types on physical, chemical, and biological soil indicators were assessed in rice fields in the red soil area of Hunan Province with varying base fertility levels: Hehua (low fertility), Dahu (medium fertility), and Longfu (high fertility). Four treatments were applied to these fields: no fertilizer, standard fertilizer, 60% chemical fertilizer + 40% organic fertilizer, and 100% chemical fertilizer. Across the three sites and treatment groups, the largest increases in total nitrogen and phosphorus contents were in Hehua and Longfu, respectively. Soil organic matter content increased most significantly in Hehua. Application of any type of fertilizer increased the total and fast-acting nutrient content in the low-yielding fields, whereas organic fertilizers increased the nutrient content and soil biological indicators more than chemical fertilizer alone did; the effect of organic fertilizer application on the combined enzyme activity of the soil was also higher than that of chemical fertilizers alone. Overall, these experiments provide a theoretical basis and technical support for rational fertilizer application and improvement of Hunan’s red soil quality based on the natural soil fertility levels.

Suggested Citation

  • Guozhu Ma & Shenghai Cheng & Wenli He & Yixuan Dong & Shaowu Qi & Naimei Tu & Weixu Tao, 2023. "Effects of Organic and Inorganic Fertilizers on Soil Nutrient Conditions in Rice Fields with Varying Soil Fertility," Land, MDPI, vol. 12(5), pages 1-17, May.
    • Handle: RePEc:gam:jlands:v:12:y:2023:i:5:p:1026-:d:1141304
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    References listed on IDEAS

    as
    1. Zhanjun Liu & Qinlei Rong & Wei Zhou & Guoqing Liang, 2017. "Effects of inorganic and organic amendment on soil chemical properties, enzyme activities, microbial community and soil quality in yellow clayey soil," PLOS ONE, Public Library of Science, vol. 12(3), pages 1-20, March.
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    Cited by:

    1. Yuhan Zhang & Youqi Wang & Yiru Bai & Ruiyuan Zhang & Xu Liu & Xian Ma, 2023. "Prediction of Spatial Distribution of Soil Organic Carbon in Helan Farmland Based on Different Prediction Models," Land, MDPI, vol. 12(11), pages 1-15, October.

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