Economic impact of climate change on major South African field crops : a Ricardian approach

Subjects: “…Field crops economic aspects south africa…”
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Estimation methods for date palm yield : a feasibility study by Heyns, Karlien

Subjects: “…Field crops -- Yields -- Prediction…”
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Ondersoekings oor houtskoolverrotting (Sponsvrot) veroorsaak deur Macrophomina phaseoli (Rhizoctonia bataticola) by Van der Merwe, Jurgen Johannes Human

Subjects: “…Field crops -- Diseases and pests…”
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