Grains and field crops
The trial programme of past years was considerably reduced in size because of the absence of J.W. Bowden (Research Officer). Further, extensive drought conditions in the W.A. agricultural areas wiped out several trials.
INDEX Super x stocking rate trial 66M30. Maintenance P x S trials 65Al, 65C5, 65N5, 69WH15. Residual Value of Phosphorus 75LG26, 77NA4, 78BA7, 79N05, 79JE8 & 9.
Times and Methods of Application 80M7, 8OM6, 80WH9, 80MO7.
Number of Pages
Lunt, R J, and Bowden, J W. (1980), General Phosphorus Trials. Department of Agriculture and Food, Western Australia, Perth. Report.