01352nam 2200421 450 991055480280332120190319161822.00-89118-276-4(CKB)3810000000041877(WaSeSS)IndRDA00111471(EXLCZ)99381000000004187720190319d1967 uy 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierMaximum crop yields the challenge /sponsored by the American Society of Agronomy, Crop Science Society of America, Soil Science Society of AmericaMadison, Wisconsin :American Society of Agronomy,1967.1 online resource (xi, 92 pages)ASA Special Publication ;Number 90-89118-029-X ASA special publication ;Number 9.Field cropsUnited StatesCornUnited StatesElectronic books.Field cropsCorn633.00973American Society of Agronomy,Crop Science Society of America,Soil Science Society of America,WaSeSSWaSeSSBOOK9910554802803321Maximum crop yields2817343UNINA