Journal of production agriculture. - American Society of Agronomy; Crop Science Society of America; Soil Science Society of America (Madison, WI. : American Society of Agronomy, Crop Science of Amer ica, and Soil Science of America, 1987)
Latest issue consulted: Vol. 8, no. 2 (Apr. 1995)
Keywords: Agriculture -- Economic aspects; Agriculture -- Research -- Periodicals; Crops and soils -- Research -- Periodicals