TY - BOOK AU - Pfeffer, Erust, TI - Nitrogen and Phosphorus Nutrition of Cattle: Reducing the environmental Impact of Cattle Operations SN - 0851990134 U1 - 636.20852 PY - 2005/// CY - Wallingford PB - CABI Publishing KW - Nitrogen and Phosphorus KW - Nutrition of Cattle ER -