TY - PC AU - Murphy,L.S. TI - Keeping wheat profitable: don't forget phosphorus [Production costs, yields, varieties, Nebraska, Kansas] SN - 0006-0089 U1 - 83-937591 PY - 1982/// KW - Farm organization and management KW - Fertilizers KW - AGROVOC KW - Kansas KW - Nebraska KW - Phosphate fertilizers KW - Wheat triticum spp KW - Soil fertility T2 - Better Crops With Plant Food ER -