During the 1990-91 and 1991-92 seasons planting date experiments were carried out at Narrabri Agricultural Research Station using a range of cotton varieties.

Retained hills are now a well-established management strategy in the Australian Cotton Industry.

Obviously, avoiding trafficking wet soil is one means of avoiding soil structural damage. Another is to use a vehicle with lower ground pressure, by using dual tyres, wide tracks, etc.

The importance of Heliothis has grown with the advent of resistance in H.armigera to various pesticides.

We have conducted a series of experiments at Trangie, Warren, Narrabri and Moree to examine the use of shallow leading tines in conjunction with rippers. Ripper depths of 300, 450 and 600 mm have been investigated.

In the 1991/92 season we started observations in both sprayed and unsprayed plots of different cotton varieties to record the numbers of fruit lost during the season and to identify the causes of shedding.

Documentation of crop yields and varieties in the Toowoomba Royal Agricultural Show Irrigated Crops Competition since 1972 demonstrates the great advances achieved by cotton breeders as new varieties have been introdu

The companion project to SOILpak, "Soil management training for advisers to cotton growers" has made a good start in familiarising consultants and agronomists with structural recognition.

HOTEL CONRAD AND JUPITERS CASINO, BROADBEACH, GOLD COAST, QUEENSLAND ORGANISED BY THE AUSTRALIAN COTTON GROWERS RESEARCH ASSOCIATION INC. (ACGRA

The reliance of the Australian cotton industry on insecticides for the control of insect pests represents a major economic and environmental concern. In the face of pesticide resistance in H.

Question: When is a cotton plant not a cotton plant? Answer: All the time. Healthy cotton plants are always part of a mycorrhiza.

Cotton growers began to realise in the late 1970's that compaction of clay soils may have been a cause of declining yields. Research over the last 10 years has confirmed those suspicions.

This paper outlines the requirements to effectively operate a Controlled Traffic farming system, with emphasis on the need for some form of automatic steering assistance for farm machinery.

In the arid and semi-arid regions of the world, irrigation has enabled previously unarable tracts of land to be used for a wide variety of agricultural activities.

A change of direction for entomoLOGIC and some improvements to hydroLOGIC will provide growers and consultants in the 1992/93 season with effective, low cost decision support systems for irrigation and pest management

A widespread problem of premature defoliation and physiological cut out of cotton has occurred in the Emerald Irrigation Area since the early 1980s. The problem was particularly severe in 1988 and 1989.

This project was established to find a simple, repeatable and reliable technique or series of techniques for consultants, extension personnel and managers to use to assess soil structural conditions in the field.

It has been 9 years now since the introduction of the Summer Crop Resistance Management Strategy in 1983/84 season.

Verticillium wilt of cotton is caused by a fungus (Verticillium dahliae) that infects the host plant via the roots and colonises the vascular system.