References
- Costa, J.M., Ortuño, M.F. & Chaves, M.M., 2007. Deficit irrigation as a strategy to save water: physiology and potential application to horticulture. J. Integrative Plant Biol., 49, 1421–1434.
- Fereres, E. & Soriano, M.A., 2007. Deficit irrigation for reducing agricultural water use. J. Exp. Bot., 58, 147–159.
- Hill, D.E., 1990. Chinese cabbage and pak choi trials 1988–1989. Bulletin 879, The Connecticut Agricultural Experiment Station, New Haven.
- Hsiao, T.C., 1973. Plant responses to water stress. Ann. Rev. Plant Physiol., 24, 519–570.
- ISSS-ISRIC-FAO, 1998. World reference base for soil resources. World soil resources report No 84, Fao, Rome.
- Letsoalo, S. & Van Averbeke, W. 2006. Water management on a smallholder canal irrigation scheme in South Africa. p. 93–109. In: S. Perret, S. Farolfi & R. Hassan (eds.). Water governance for sustainable development: approaches and lessons from developing and transitional countries, Earthscan, London.
- Matsumura, T., 1981. The present status of Chinese cabbage growing in Japan. p. 11–28. In: N.S. Talekar & T.D. Griggs (eds.). Chinese cabbage: Proceedings of the first International Symposium, Asian Vegetable Research and Development Center Publication No. 81–138, Shanhua, Taiwan.
- Monteith, J.L. & Unsworth, M.H., 1990. Principles of environmental physics, 2nd edn. Edward Arnold, London.
- NATIONAL DEPARTMENT OF AGRICULTURE, 2007. A guide for the control of plant pests, 40th edn. Directorate Agricultural Information Services, Pretoria.
- Nndwambi, L.G., 2009. Determination of plant and soil irrigation parameter for different crops at Dzindi Irrigation Scheme. M Sc. dissertation, School of Molecular and Life Science, University of Limpopo, Polokwane.
- Opeña, R.T., Kuo, C.G. & Yoon, J.Y., 1988. Breeding and seed production of Chinese cabbage in the tropics and subtropics. Technical bulletin No.17, Asian Vegetable Research and Development Center (AVRDC), Shanhua, Taiwan.
- Peirce, L.C., 1987. Vegetables: characteristics, production and marketing. John Wiley & Sons, New York.
- Rubatzky, V.E. & Yamaguchi, M., 1997. World vegetables: Principles and nutritive values, 2nd edn. Chapman and Hall, New York.
- SOIL CLASSIFICATION WORKING GROUP, 1991. Soil classification: a taxonomic system for South Africa. Department for Agricultural Development, Pretoria.
- STATISTICAL ANALYSIS SOFTWARE INSTITUTE INC, 2000. The statistical analysis software (SAS®) version 8.08. SAS Institute Inc., Cary.
- Tindall, H.D., 1983. Vegetables in the tropics. Macmillan Press, London.
- Va N Averbeke, W., 2008. Best management practices for small-scale subsistence farming on selected irrigation schemes and surrounding areas through participatory adaptive research in Limpopo Province. WRC Report TT 344/08, Water Research Commission, Pretoria.
- Van Averbeke, W., Juma, K.A. & Tshikalange, T.E., 2007b. Yield response of African leafy vegetables to nitrogen, phosphorus and potassium: the case of Brassica rapa L. subsp. chinensis and Solanum retroflexum Dun. Water SA 33, 355–362.
- Van Averbeke, W., Tshikalange, T.E. & Juma K.A., 2007a. The commodity systems of Brassica rapa L. subsp. chinensis and Solanum retroflexum Dun. in Vhembe, Limpopo Province, South Africa. Water SA 33, 349–353.
- Van Der Stoep, I. & Nthai, M.M., 2005. Evaluation of the water distribution system at Dzindi. Internal Report to the Department of Civil and Bioengineering, University of Pretoria, Pretoria.