TY - JA AU - Chien,S.H. AU - Leon,L.A. AU - Tejeda,H.R. TI - Dissolution of North Carolina phosphate rock in acid Colombian soils as related to soil properties SN - 0361-5995 U1 - 81-643488 PY - 1980/// KW - Colombia KW - Phosphate fertilizers KW - Soil chemistry and physics N1 - ill. 22 ref T2 - Journal of the Soil Science Society of America ER -