Firstly, it is important to define "Minimum Tillage" as it applies to our operation. Our objective in achieving such a system is more correctly described as a "Permanent Bed'' system i.e.

Of the five species of Heliothis in Australia, only two, Heliothis armigera and H. punctigera are major economic pests. They are clearly the major pests of cotton in all production areas.

Due to the economic pressure being placed on the cotton fibre by increased use of man-made fibres, the revolution in textile processing technology and the current world surplus, research on the quality and value of co

Throughout this article I will be encouraging less tillage. There are three reasons for this. Firstly, tillage is costly. Secondly, soil structure often is sufficiently good for farming without tillage.

Heliothis spp. have two main attributes which give rise to their pest status and make them difficult to manage (see Fitt this volume).