Citation: Nv. Hue et al., REACTIONS OF COPPER-SULFATE WITH WETLAND-TARO SOILS IN HAWAII, Communications in soil science and plant analysis, 28(11-12), 1997, pp. 849-862
Citation: Fm. Guo et al., EVALUATING IRON-IMPREGNATED PAPER STRIPS FOR ASSESSING AVAILABLE SOIL-PHOSPHORUS, Communications in soil science and plant analysis, 27(11-12), 1996, pp. 2561-2590