... Experiment Station Bulletin 45, 1941. 6. R.H. Bray, L.T. Kurtz. Determination of total, organic, and available forms of phosphorus in soils. Soil Sci. 59:39 45, 1 945. 7. H.B. Kitchen (ed.). Diagnostic ... transformations of phosphorus. In: Introduction to Soil Microbiology. New York: Wiley, 1977. 82 Handbook of Plant Nutrition CRC_DK2972_Ch003.qxd 6/30/2006 1:15 PM Page 82 chara...
Ngày tải lên: 02/07/2014, 00:20