Factors Affecting Soil Fertility and Improvement Measures

A special issue of Agriculture (ISSN 2077-0472). This special issue belongs to the section "Agricultural Soils".

Deadline for manuscript submissions: 10 January 2026 | Viewed by 587

Special Issue Editor


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Guest Editor
College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China
Interests: soil environmental chemistry; soil fertility; soil chemistry; soil minerals; plant nutrition

Special Issue Information

Dear Colleagues,

The theme of this Special Issue is the factors that affect soil fertility and their improvement measures. Investigating how these factors influence soil fertility and crop production is crucial for enhancing food security.

Understanding the changes in soil fertility in agricultural production can improve our knowledge of agriculture and crops. With the continuous growth of the global population, it is even more necessary to enhance soil fertility to produce more crops to meet human food demands. For thousands of years, soil fertility has been influenced by nature and human choices, leading to different fertility characteristics in various regions. However, the factors driving these changes have not been fully explored.

This Special Issue focuses on the factors affecting soil fertility and their improvement measures, exploring how these factors impact crop production. It can provide researchers with new insights and be applied to soil amendment. These developments help to address current challenges in agriculture, such as soil acidification, heavy metal pollution, and soil infertility. The call for manuscripts includes, but is not limited to, the following topics:

  • Soil acidification: Causes of soil acidification, mechanisms of acidification improvement, and the effectiveness of different soil amelioration.
  • Heavy metal pollution: Comparisons of the effects of different remediation technologies and their mechanisms.
  • Soil infertility: Analysis of fertility changes and influencing factors on a global scale; exploration of the interactions between soil minerals, microorganisms, moisture, and other factors at the micro level to identify factors affecting fertility and seek corresponding measures to enhance fertility.

Prof. Dr. Hongqing Hu
Guest Editor

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Keywords

  • soil fertility
  • acidification
  • heavy metal contamination
  • infertility
  • soil amelioration

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Published Papers (1 paper)

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Research

15 pages, 1636 KB  
Article
Relative Phosphorus Fertilizer Efficiency of Rapeseed and Soybean Cakes Across Different Soils
by Yukun Li, Pu Wang, Qingling Fu, Jun Zhu and Hongqing Hu
Agriculture 2025, 15(17), 1857; https://doi.org/10.3390/agriculture15171857 - 31 Aug 2025
Viewed by 72
Abstract
Cake fertilizers are phosphorus-rich organic fertilizers that are commonly used in horticulture. Soil plays a crucial role in determining the effectiveness of phosphorus fertilizer. Comparative data on the relative phosphorus efficiency (rPE) of cake fertilizers across contrasting soils are scarce in the international [...] Read more.
Cake fertilizers are phosphorus-rich organic fertilizers that are commonly used in horticulture. Soil plays a crucial role in determining the effectiveness of phosphorus fertilizer. Comparative data on the relative phosphorus efficiency (rPE) of cake fertilizers across contrasting soils are scarce in the international literature. Information on the mechanisms that control phosphorus supply is also limited. This study examined the rPE of rapeseed and soybean cakes in three soils using ryegrass growth experiments and investigated the main factors affecting their phosphorus efficiency. The results showed that the rPE of rapeseed cake did not differ significantly among the three soils, with an average value of 71%. In contrast, the rPE of soybean cake showed a clear soil-dependent pattern, with the highest rPE in red soil (67%), followed by fluvo-aquic soil (47%), and the lowest in yellow-brown soil (32%). In red soil, there was no significant difference in rPE between the two cakes. Water-soluble phosphorus content of cake fertilizers and soil phosphatase activity are key factors affecting rPE. Owing to its low water-soluble phosphorus content, the phosphorus supplied by soybean cake is predominantly mobilized through soil phosphatase–mediated mineralization of organic phosphorus. In phosphorus fertilization practices, both cake water-soluble phosphorus content and soil phosphatase activity should be considered. In soils with low phosphatase activity, cake fertilizers with a higher water-soluble phosphorus content should be prioritized. Full article
(This article belongs to the Special Issue Factors Affecting Soil Fertility and Improvement Measures)
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