The study of correlation betweem soil nutrition and wheat yield

Zhang Zhengbin; Wang Dexuan

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The study of correlation betweem soil nutrition and wheat yield

- The study of correlation betweem soil nutrition and wheat yield
- Bulletin of Soiland Water Conservation Vol. 9, Issue 2, Pages: 58-64(1990)
- 作者机构：
  
  1. 中国科学院
  2. 水利部西北水土保持研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：1990
- 稿件说明：
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Zhang Zhengbin, Wang Dexuan. The study of correlation betweem soil nutrition and wheat yield[J]. Bulletin of Soiland Water Conservation, 1990, 9(2): 58-64.
DOI：

Zhang Zhengbin, Wang Dexuan. The study of correlation betweem soil nutrition and wheat yield[J]. Bulletin of Soiland Water Conservation, 1990, 9(2): 58-64. DOI：

摘要

本文通过对陕西省54个县(市、区)10种土壤营养物质和小麦产量进行相关和多元逐步回归分析研究，总结出小麦产量和土壤营养物质的关系，建立了由碱解氮、速效磷、速效钾、硼、锌构成的土壤营养物质和小麦产量的最优回归模型，揭示了在目前生产水平下，陕北黄土高原沟壑与丘陵沟壑区，土壤肥力还具有增产潜力;关中地区土壤肥力目前在不同程度上已得到发挥。并对土壤营养物质进行了模糊聚类分析，为土壤评价、小麦生产营养诊断提供了可靠信息。

Abstract

Through gradual regression analysis to ten kinds nutritions of soils of 54 counties

Saanxi province

the optimum regression modelfor soil utritions(including alkaline--N

quick action Ps quicick ackac-tion K

B and Zn) has been set up

It shows that soil fertility is thelimit factor of wheat production in Guanzhong plain

but this is not ase in North Shaanxi loess plateau gully hill region

Finally，correlation analysis and fuzzy cluster on soil nutriments have been done

From above mentioned

we can get a lot of information about wheat production

soil assessment and nutrition diagnosis

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