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Maize residues, soil quality, and wheat growth in China. A review

文献类型: 外文期刊

作者: Kong, Lingan 1 ;

作者机构: 1.Shandong Acad Agr Sci, Crop Res Inst, Jinan 250100, Peoples R China

关键词: Maize (Zea mays L.);Reduced tillage;Residue retention;Soil quality;Wheat (Triticum aestivum L.)

期刊名称:AGRONOMY FOR SUSTAINABLE DEVELOPMENT ( 影响因子:5.832; 五年影响因子:9.354 )

ISSN: 1774-0746

年卷期: 2014 年 34 卷 2 期

页码:

收录情况: SCI

摘要: Crop residue retention is a key component of sustainable cropping systems. In recent years, retention of crop residue is a means of improving soil quality and nutrient capacity and reducing the adverse effects of residue burning. Maize-wheat rotation is a major double-cropping system practiced on more than one fifth of agricultural lands worldwide. Currently, more than 50 % of maize residues are retained immediately after harvesting. In China, this practice has beneficial effects on soil properties and productivity of the succeeding wheat crop. However, increasing the retention of maize residues without proper soil management has also led to a series of concerns, such as short-term nitrogen immobilization, rapid moisture loss, and high susceptibility to freezing during winter as a result of increased soil porosity. Therefore, other practices for maize residue retention are needed to promote wheat growth and the release of nutrients. This article reviews recent developments in China concerning the consequences of maize residue retention on the physical, chemical, and biological properties of soil quality and the growth, productivity, and quality of wheat. Major patterns of maize residue retention are discussed. In particular, this review provides three complementary approaches for maize residue management.

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