Please enable javascript in your browser to use this site properly.
Seery, John (1988-08-17)
in the Gwydir Valley where the water resource has been over committed to such an extent that a full allocation of water will only be realized only SO years out of every 100 years.
Fay, M.F. (1988-08-17)
I have to tell you now that I will not be presenting such a perspective.
Christian, P.D., Oakeshott, J.G. (1988-08-17)
One such form is biological control, which relies on the use of natural pathogens and parasites to control the pest species.
Allen, Stephen (1988-08-17)
Nematodes are regarded as a major pest of cotton in many parts of the world. It has been claimed that "nematodes cause economic losses to cotton everywhere it is grown" (Watkins. 1981).
Woldring, Hans (1988-08-17)
In recent times cotton growers have seen the need to adopt new land preparation practices. In the Macquarie Valley alone, only 35% of the 1987/88 cotton crop was prepared using conventional techniques.