Grains and field crops
The results shqwn are the yield of grain harvested from crops grown after various lengths of pasture ley. 67BA6, 68E5, 69GE20, 68SG5, 66M29, W56H
Number of Pages
Rowland, I. (1973), Long term rotation trials: Summary of results 1973. Department of Agriculture and Food, Western Australia, Perth. Report.