Citation: Rg. Myers et al., IRON-OXIDE SINK METHOD FOR EXTRACTING SOIL-PHOSPHORUS - PAPER PREPARATION AND USE, Soil Science Society of America journal, 61(5), 1997, pp. 1400-1407
Citation: Rg. Myers et al., IMPROVING THE IRON-OXIDE SINK METHOD FOR EXTRACTING SOIL-PHOSPHORUS, Soil Science Society of America journal, 59(3), 1995, pp. 853-857