Farm-level bio-economic modeling of water and nitrogen use: Calibrating yield response functions with limited data

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• 作者：Pierre Humblot ^{pierrot.humblot@gmail.com} ; Pierre-Alain Jayet ; ^{pierre-alain.jayet@inra.fr} ; Athanasios Petsakos¹ ; ^{t_petsakos@yahoo.gr} ; ^{a.petsakos@cgiar.org}
• 关键词：Irrigation water ; Bio-economic modeling ; Calibration ; Crop model ; Water-nitrogen response function
• 刊名：Agricultural Systems
• 出版年：2017
• 出版时间：February 2017
• 年：2017
• 卷：151
• 期：Complete
• 页码：47-60
• 全文大小：1223 K
• 卷排序：151

文摘

We present a method for calibrating water-nitrogen yield response functions. The method is applicable to a wide range of cases, including non-irrigated crops. Calibration is based on the profit optimality conditions and the use of a crop model. We test the method for the case of maize in two regions in France.