Spatializing Growth Suitability for Spring Soybean Cultivation in Northeast China

文献类型： 外文期刊

第一作者： He, Yingbin

作者： He, Yingbin;Yao, Yanmin;Huang, Qing;Li, Jianping;Chen, Youqi;Yu, Shikai;Wang, Deying;He, Yingbin;Liu, Dongmei;Shi, Shuqin;Wan, Li

作者机构：

关键词： Land use

期刊名称：JOURNAL OF APPLIED METEOROLOGY AND CLIMATOLOGY （ 影响因子：2.923； 五年影响因子：3.02 ）

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年卷期：

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收录情况： SCI

摘要： In this paper, an integrated indicator-based system is established to map the suitability of spring soybean cultivation in northeast China. The indicator system incorporates both biophysical and socioeconomic factors, including the effects of temperature, precipitation, and sunshine on the individual development stages of the spring soybean life cycle. Spatial estimates of crop suitability derived using this indicator system are also compared with spring soybean planting areas to identify locations where there is scope for structural adjustment in soybean farming. Results of this study indicate that northeast China is moderately suited to spring soybean cultivation. Areas classified as suitable, moderately suitable, and unsuitable for soybean cultivation, respectively, occupy approximately 9.09 x 10(4), 11.45 x 10(4), and 7.99 x 10(4) km(2), accounting for 11.5%, 10.11%, and 14.49% of the total area of northeast China. The Songnen and Sanjiang Plains are identified as the most and least suitable places, respectively, for spring soybean growth. A comparative analysis indicates that the suitable, moderately suitable, and unsuitable areas account for 24.78%, 46.30%, and 28.92%, respectively, of the total area presently under soybean cultivation. The analysis suggests that soybean cultivation in Heilongjiang Province is generally unfavorable, with equivalent percentages of 15.39%, 51.70%, and 32.91%. Results suggest that agricultural structural adjustment may be required to encourage farmers to grow spring soybeans. It is anticipated that this study will provide a basis for follow-up studies on crop cultivation suitability.

分类号： P4

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