The construction and application of a variable fertilizer model based on GIS

Journal of East China Normal University(Natural Sc ›› 2004, Vol. 2004 ›› Issue (4): 79-83.

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The construction and application of a variable fertilizer model based on GIS

DU Jing-long^1,2 , JIANG Li-ping³

1. Department of Urban & Environmental, Su Zhou Science and Technology College, JiangSu SuZhou 215001,China;2. College of Resorce & Environment, East China Normal University, ShangHai 200062,China; 3. Department of Mathematics ,Su Zhou Science and Technology College, JiangSu SuZhou 215001,China

Received:2003-05-26 Revised:2003-10-17 Online:2004-12-25 Published:2004-12-25
Contact: DU Jing-long

Abstract

Abstract: By the data sampled from wusi farm ,input of fertilizer and the degree of the soil index of fertilizer are calculated using the empirical formula . At the same time,the variable input map of fertilizer and the fertilizer map are maped using GIS. The result shows:There exits difference with the fertilizer whin the field and the input of fertilizer is different too.

Key words: model, soil index of fertilizer, GIS, variable input of fertilizer, model, soil index of fertilizer, GIS

CLC Number:

P208

DU Jing-long;;JIANG Li-ping. The construction and application of a variable fertilizer model based on GIS[J]. Journal of East China Normal University(Natural Sc, 2004, 2004(4): 79-83.

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