J. M. D. Jager

发表

Accuracy of vegetation evaporation ratio formulae for estimating final wheat yield

J. M. Jager, J. M. D. Jager, 1994 .

Modelling crop growth and crop water relations in South Africa: Past achievements and lessons for the future

J. M. Jager, R. Schulze, J. M. D. Jager, 2010 .

Estimating evapotranspiration from wheat using weather measurements and carborundum or Piché evaporimeter

J. M. D. Jager, W. V. Zyl, 1987 .

Towards the Development of an Energy Budget for a Savanna Ecosystem

J. M. Jager, T. D. Harrison, J. M. D. Jager, 1982 .

Effect of climate on plant evaporation coefficients for the potato crop

J. M. D. Jager, W. V. Zyl, 1992 .

A simple, accurate method of estimating maximum total evaporation from a wheat crop during the daylight period

J. M. D. Jager, W. V. Zyl, C. Maree, 1988 .

Measurement of Leaf Water Potential Using the J14 Press

J. M. Jager, J. M. D. Jager, K. Bristow, 1981 .

Dietary nutrient deficiency in small-scale farming communities in South Africa: Benefits of intercropping maize (Zea mays) and beans (Phaseolus vulgaris)

J. M. Jager, J. M. D. Jager, S. Walker, 1999 .

Refinement and validation of the PUTU wheat crop growth model 1. Phenology

J. M. Jager, J. M. D. Jager, A. Singels, 1991 .

Refinement and validation of the PUTU wheat crop growth model 2. Leaf area expansion

J. M. Jager, J. M. D. Jager, A. Singels, 1991 .

Risk analysis of wheat production in the central Orange Free State using a growth model

J. M. D. Jager, A. Singels, 1988 .

A model to predict water temperature in plastic-covered outdoor mass algal culture systems

J. M. D. Jager, R. Walmsley, 1984 .

The reaction of two varieties of sugarcane to water stress

J. M. Jager, J. M. D. Jager, N. G. Inman-Bamber, 1986 .

Statistical assessment of some errors in thermocouple hygrometric water potential measurement

J. M. Jager, M. J. Savage, J. M. D. Jager, 1983 .