(I) To continue and develop the work begun in UsQ6C which focuses on residue handling in back to back cotton and rotation crops while optimising the control of diapausing heliothis pupae. (2) To visit growing areas (irrigated and rain fed) and confirm a basis for other machinery needs in the industry, including planting and cultivation equipment. (3) Field test equipment changes. (4) Seek backing from commercial entities to limit funding drain of research monies. (5) Pursue the involvement of commercial manufacturers where appropriate to help in the adoption of improved technology. (6) To monitor commercialisation of a fully tested computer based guidance system