1. Comparison of heat units and calender days for predicting silking dates in maize in a tropical rainforest location;Abasi;Maydica,1985
2. Simulating growth, development and yield of wheat in warmer areas;Aggarwal,1991
3. Simulation of root growth;Allan,1991
4. Root to shoot communication in maize plants of the effects of soil drying;Blackman;J. Exp. Bot.,1985
5. A study of the agroclimatology of the highlands of eastern Africa;Brown,1973