文章基本信息

标题：POLICY IMPLICATIONS ON THE REDUCTION OF NITROGEN FERTILIZER USE ON NON-IRRIGATED CORN-WINTER WHEAT PRODUCTION IN NORTH ALABAMA
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作者：Joseph, Barbara A. ; Jones, Hezekiah ; Befecadu, Joseph 等
期刊名称：Journal of Agribusiness
印刷版ISSN：0738-8950
出版年度：2003
期号：suppl
出版社：Journal of Agribusiness
摘要：Environmental and economic effects of nitrogen fertilizer reduction on North Alabama small farms are evaluated using GPFARM. GPFARM incorporates climate, soil data and management practices to simulate science and economic analysis for a farm/ranch management unit. Nitrate leaching, crop yield and profitability are evaluated and presented under different policy scenarios. Key words: nitrate leaching, profitability, management unit, GPFARM
关键词：nitrate leaching;profitability;management unit;GPFARM