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Browsing Theses and Dissertations (Plant Production and Soil Science) by Subject "Aartappels"
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Fouche, David Schalk
(University of Pretoria, 2010-11-27)
AFRIKAANS: Die vraag onstaan of insette by aartappelproduksie deurentyds ekonomies optimaal gebruik word. Hierdie vraag word al hoe meer deur produsente gevra, veral waar die prysknyptang al hoe sterker gevoel word. Uit ...