Objective of Research The interest in crop modelling started since the introduction and popularisation of computer technology, which facilitated the dynamic simulation of complex natural systems. In particular, crop growth ...

A field trial was established in January 2002 under a centre pivot at Syferfontein (Sasol) open cast mine, close to Secunda in the Mpumalanga Province (Republic of South Africa). Field measurements of crop, soil, water and ...