Modelling crop growth and crop water relations in South Africa: Past achievements and lessons for the future von Singels, A., Annandale, J.G., Jager, J.M. De, Schulze, R.E., Inman-Bamber, N.G., Durand, W., Rensburg, L.D. Van, Heerden, P.S. Van, Crosby, C.T., Green, G.C., Steyn, J.M.

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Effect of climate on plant evaporation coefficients for the potato crop von van Zyl, W.H., de Jager, J.M.

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Evaluating different wheat production strategies for the Orange Free State using stochastic dominance techniques and a crop growth model von Singels, A, De Jager, J.M

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The relationship between daylight evaporation from short vegetation and the USWB Class A pan von Vanzyl, W.H., De Jager, J.M., Maree, C.J.

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Estimating evapotranspiration from wheat using weather measurements and carborundum or Piché evaporimeter von Van Zyl, W.H, De Jager, J.M

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Risk analysis of wheat production in the central Orange Free State using a growth model von Singels, A, De Jager, J.M

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Framework for forecasting the extent and severity of drought in maize in the Free State Province of South Africa von de Jager, J.M., Potgieter, A.B., van den Berg, W.J.

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Effect of water stress on cane growth and water use of sugar cane von Inman-Bamber, N.G, De Jager, J.M

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simple, accurate method of estimating maximum total evaporation from a wheat crop during the daylight period von Van Zyl, W.H, De Jager, J.M, Maree, C.J

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Dietary nutrient deficiency in small-scale farming communities in South Africa: Benefits of intercropping maize ( [formula omitted]) and beans ( [formula omitted]) von Mukhala, E., De Jager, J.M., Van Rensburg, L.D., Walker, S.

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A computerized crop-specific drought monitoring system: Design concepts and initial testing von Lourens, U.W., de Jager, J.M.

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Determination of optimum wheat cultivars characteristics using a growth model von Singels, A, De Jager, J.M

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Accuracy of an empirical model for estimating daily irradiance in South Africa from METEOSAT imagery von Lourens, U.W., van Sandwyk, C.M., de Jager, J.M., van den Berg, J.

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Geographical distribution of monthy mean daily global solar radiation over South Africa von Reid, P.C.M, De Jager, J.M

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Determination of optimum wheat cultivar characteristics using a growth model von Singels, A., de Jager, J.M.

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reaction of two varieties of sugar cane to water stress von Inman-Bamber, N.G, De Jager, J.M

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Simulation of main stem mature leaf area of maize von Singels, A., de Jager, J. M.

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The reaction of two varieties of sugarcane to water stress von Inman-Bamber, N.G., De Jager, J.M.

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Refinement and validation of the PUTU wheat crop growth model 1. Phenology von Singels, A., de Jager, J. M.

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Refinement and validation of the PUTU wheat crop growth model 2. Leaf area expansion von Singels, A., de Jager, J. M.

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