Differential species and varietal tolerance to soil acidity in tropical crops and pastures

Spain, James M.; Francis, Charles Andrew; Howeler, Reinhardt H.; Calvo, Fabio A.. 1975. Differential species and varietal tolerance to soil acidity in tropical crops and pastures. In: Bornemisza, Elemer; Alvarado H., Alfredo (eds.). Seminar on Soil Management in Tropical America (1974, Cali, Colombia). Papers presented. North Carolina State University, Raleigh, NC, USA. p. 308-329.