Bosch, Darrell J.; Zhu, Minkang; Kornegay, Ervin T. - In: Journal of Agricultural and Applied Economics 29 (1997) 02
Requiring that crop applications of manure be based on phosphorus content (P-standard) could increase poultry litter disposal costs. Microbial phytase reduces litter P content and could reduce litter disposal costs under a P-standard. For a representative Virginia turkey farm, phytase costs...