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文县耕层土壤养分空间分布研究

徐宏 刘海娥 王世来 杨子凡

甘肃农业科技Issue(4):31-33,34,4.
甘肃农业科技Issue(4):31-33,34,4.DOI:10.3969/j.issn.1001-1463.2013.04.012

文县耕层土壤养分空间分布研究

Study on the Spatial Distribution of Arable Laye Soil Nutrient in Wenxian

徐宏 1刘海娥 2王世来 1杨子凡3

作者信息

  • 1. 甘肃省文县农业技术推广中心,甘肃 文县 746400
  • 2. 甘肃省农业广播电视学校文县分校,甘肃文县 746400
  • 3. 甘肃农业大学资源与环境学院,甘肃 兰州 730070
  • 折叠

摘要

Abstract

According to the basic principles of spatial interpolation, and the kriging interpolation Law of Arcgis software, analyzing the spatial interpolation on soil organic matter, nitrogen, available phosphorus and available potassium measured data in 2008, then obtaining the spatial distribution of the four kinds of soil nutrients . In the light of the analysis of the township soil nutrients distribution, using the classification function of Arcgis software, and The Gansu Province Soil Nutrient grading standards, finally drawing the conclusion that the spatial distribution of Wenxian soil nutrients was the contents of organic matter and available potassium are rich, but this area was lack of alkaline hydrolysis nitrogen and available phosphorus.

关键词

文县/耕层土壤/空间分布/空间插值/养分分级

Key words

Wenxian county/Topsoil nutrient/Spatial distribution/Spatial interpolation/Classification of Nutrient

分类

农业科技

引用本文复制引用

徐宏,刘海娥,王世来,杨子凡..文县耕层土壤养分空间分布研究[J].甘肃农业科技,2013,(4):31-33,34,4.

基金项目

甘肃省科技支撑计划(1104NKCA093)资助 (1104NKCA093)

甘肃农业科技

1001-1463

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