Journal of Hebei University (Natural Science Edition) ›› 2003, Vol. 23 ›› Issue (2): 193-197.DOI: 10.3969/j.issn.1000-1565.2003.02.021

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Development of GIS Application System for Variable Rate Fertilization in Soil Precise Management

  

  • Online:2003-05-25 Published:2003-05-25

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