Rates of Nitrogen on the long term copper trial at N.R.S., 86N36. Effects of Nitrogen on the copper and zinc status of wheat, 86LG32, 86LG33. Residual value of copper, zinc and sulphur with DAP under continuous cropping, 86LG34. Copper sprays on wheat, 86LG30. Trace element, nutrition of lupins, 67E8 and 67E9. Effects of rates of nitrogen on copper and zinc status of wheat, 86E43 and 86E44. Residual value of nitrogen on copper and zinc status of wheat, 86JE41. Rates of Nitrogen on the zinc status of wheat, 86JE42. Residual value of zinc using DAP, 83ES35. Residual value of Mo for subclover 83ES44
Number of Pages
Brennan, R F. (1986), Tissue testing program 1986. Department of Primary Industries and Regional Development, Western Australia, Perth. Report.