01392nam 2200397 450 991055508080332120190327195750.00-89118-322-1(CKB)3810000000041712(WaSeSS)IndRDA00111684(EXLCZ)99381000000004171220190327d1993 uy 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierTechnologies for sustainable agriculture in the tropics /editors, John Ragland and Rattan Lal ; sponsored by American Society of AgronomyMadison, Wisconsin :American Society of Agronomy :Crop Science Society of America :Soil Science Society of America,1993.1 online resource (xix, 313 pages)ASA Special Publication ;Number 560-89118-118-0 ASA special publication ;Number 56.Sustainable agricultureTropicsElectronic books.Sustainable agriculture333.761520913Ragland JohnAgrawal Ratan Lal1944-American Society of Agronomy,WaSeSSWaSeSSBOOK9910555080803321Technologies for sustainable agriculture in the tropics2816713UNINA