Available Nutrient Evaluation,Classification and Recommended Fertilization of Field Soil Based on GIS
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Abstract:
Researches to appraise field soil available nutrient was conducted with GIS (geographical information system) in Dushan Town, Ezhou City, Hubei Province. Located by GPS (global positioning system), 134 field soil samples from the fields' surface to 15 cm
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李辉,贺立源,黄魏,江成旺,鲁明星,徐辉,张德才,巩细民. Available Nutrient Evaluation, Classification and Recommended Fertilization of Field Soil Based on GIS[J]. Jorunal of Huazhong Agricultural University,2004,23(4).