Data on crop types and field extents were obtained from DAFF for central provinces (Free State, Gauteng, Mpumalanga, North West). These were combined into a single data set after normalising the crop
Using daily weather data for the period 1996–2005 as the inputs to a rule-based model, we derive calendars for maize, rice, winter and spring wheat and soybeans around the year 2000 with a spatial res
ABSTRACT Among weeds, morning glories comprise a very important group of climbing plants that infest sugarcane crops. The objective of this study was to evaluate the shoot and root interference of Mer