TY - BOOK AU - Shyamala V K AU - Punnoose K I AU - Sudhakumari B AU - Suresh P R AU - Varghese Philip TI - Comparison of dissolution pattern of rock phosphates and their evaluation in seedling nurseries of rubber PB - Proceedings of National Symposium on the use of phosphate rock for sustainable agriculture, April 24-25, 1995. p182-185 KW - Rock phosphate KW - Seedling nursery ER -