The study of correlation betweem soil nutrition and wheat yield

Zheng Jianying; Zhao Gengsheng; Wu Ruijun

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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: 8-15(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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Zheng Jianying, Zhao Gengsheng, Wu Ruijun. The study of correlation betweem soil nutrition and wheat yield[J]. Bulletin of Soiland Water Conservation, 1990, 9(2): 8-15.
DOI：

Zheng Jianying, Zhao Gengsheng, Wu Ruijun. The study of correlation betweem soil nutrition and wheat yield[J]. Bulletin of Soiland Water Conservation, 1990, 9(2): 8-15. DOI：

摘要

本文以1983～1989年在黄绵土上所做田间试验结果和室内分析资料为依据，详细讨论了施用不同肥料(氮、磷、氮磷、有机肥、有机肥+磷、有机肥+氮，有机肥+氮磷)，对玉米、谷子、糜子、荞麦等作物的产量及其经济效益;植株对肥料的利用率;土壤养分含量的变化;肥料种类与籽粒品质等的影响。指出，在这一水土流失严重地区，应十分重视增施有机肥，切忌化肥单施，实行氮磷肥配合施用;磷肥效果明显高于氮肥，建议解决磷肥供应不足问题。在目前有机肥，化肥均感不足情况下，应优先提供玉米对肥料的需要，其次为谷子。

Abstract

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

Saanxi province

the optimum regression model for soil nutritions(including alkaline--N

quick action Ps quicick ackac-tion K

B and Zn) has been set up

It shows that soil fertility is the limit 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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