Haque, Mohua; Biermacher, Jon T.; Kering, Maru K.; … - Southern Agricultural Economics Association - SAEA - 2012
to determine the effects of nitrogen and phosphorus fertilizers on feedstock yield and measures of expected total cost … discrete nitrogen treatments (0 and 134 kg ha-1) and four discrete phosphorus treatments (0, 30, 60 and 90 kg ha-1) were … models were used to estimate the effects of nitrogen, phosphorus and nitrogen by phosphorus interactions on feedstock yield …