Grains and field crops
Experimental glasshouse work involved examining the decrease in effectiveness of copper fertilizer in the soil through time. This seems to conflict with Mr. J.W. Gartrell's programme of field trials which have shown no evidence for any decline in the effectiveness of the original application. 1. Ammonium cxalate extractable Cu. TABLE 3 - 77GL3. The response to copper of Gamenya Wheat grown in a range of W.A. soils (Average dry weight (3 reps) - g/10 plants). 77GL4. Dongara, Gingin, Dowerin, Newdegate, S. W. Newdegate, Merredin. TABLE 4 - 77GL4. Effect of PH and incubation on the effectiveness of CuS045H20 to Gamenya. Lancelin, Dongara, Gingin.
Number of Pages
Brennan, R F. (1977), Effect of soil properties on copper availability to plants. Department of Agriculture and Food, Western Australia, Perth. Report.