Uncertainty and Split Nitrogen Application in Corn Production
研究氮肥分次施用如何应对春季因土壤过湿而无法施肥的风险，发现风险规避型农民在氮与水为替代品时会增加总氮和播前氮，而淋失的氮则是其支付的保险溢价。
Abstract The split application of nitrogen provides insurance against the risk that late spring application will be infeasible because of wet soil. Risk aversion and production uncertainty have little impact on total nitrogen available to the crop but do affect the split in application and the total nitrogen applied. A risk‐averse farmer applies more (less) nitrogen prior to planting and total nitrogen than a risk‐neutral farmer if nitrogen and water are substitutes (complements). For the case of substitutes, the nitrogen lost through leaching is the premium which the risk‐averse farmer pays to insure a proper level of nitrogen.