The colour of cotton fibre is affected by plant genetics, environmental factors, harvest and processing conditions.

Current nutrient management strategies are based primarily on the concept of cost effective nutrient management (i.e.

Compaction caused by machinery traffic can have severe yield consequences. Compaction increases soil strength and reduces soil porosity, which hinders root growth, moisture and nutrient uptake, and plant growth.

Since the introduction of Bt-cotton secondary pests such as aphids, mites and bugs have become more prominent requiring targeted insecticide control.

Conyza bonariensis (L.) Cronquist, flaxleaf fleabane, originating from South America, is a

major emerging weed threat for dry-land cropping systems in Australia. Conyza bonariensis