Weed Management in Rainfed Agricultural Systems : Principles and Methodologies

The management of weeds is an important aspect of most farming systems. In rainfed systems, their control is usually critical in making best use of the available precipitation. Weed spectra change over time and with changes in the farming system. The reasons for these changes need to be understood so that integrated and holistic management strategies can be applied. New technologies including weed growth and population modelling and precision farming offer options that increase weed control efficiencies, slow the development of herbicide resistance and reduce costs.