These guidelines have been prepared to meet the objectives shown in the terms of reference. The main task of the guidelines is to provide a framework to improve the quality and appropriateness of program evaluation.

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.

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.

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

Nutgrass (Cyperus rotundus L.), a plant native to India, is known as the world's worst weed .