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 Sustainable plant production 
Sustainable production of crops for food, fibre, oil and pastures, as well as fruit and ornamental plants, with the view to optimize the plant x environment interaction by means of plant nutrition, irrigation, weed management, growth manipulation, etc. 
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Postgraduate students' research projects completed in 2001 (titles of dissertations and 
    theses)  | 
Dissertations  | 
Bezuidenhout SR: Allelopathic effects of yellow nutsedge in young Patula pine plantations (Prof CF Reinhardt)  | 
Botha CC: Alley cropping with Leucaena leucocephala (Prof NFG Rethman)  | 
Cronje JI: Sesbania en moerbei as voerbome (Prof NFG Rethman)  | 
De Villiers AJ: Seasonal growth pattern and water relations of mango trees in response to various irrigation regimes (Dr EW Pavel)  | 
Honiball C: Plant morphology and flower induction of  Clivia miniata  Regal (Prof PJ Robbertse)  | 
Mashego DC: The production of vegetable crop under protection for small-scale farming situation (Prof PS Hammes)  | 
Ndou AM: Optimization of bulblet production by leaf cuttings in  Lachenalia  (Prof PJ Robbertse)  | 
Stander EIM: Bacterial wilt (Prof PS Hammes)  | 
Theses  | 
Du Toit ES: Temperature effects on carbohydrate assimilation and subsequent flower differentiation on pot plant quality of Lachenalia (Prof PJ Robbertse)  | 
Mphinyane WN: Influence of livestock grazing  under free range and controlled conditions, in Botswana (Prof NFG Rethman)  | 
Nel AA: Faktore wat die kwaliteit van sonneblom-oliekoek bepaal (Prof PS Hammes)  |