Agronomy
Nutrition
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Balazs Bolf. Separate elements of sunflower production technology. Part 1 (49:24)
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Balazs Bolf. Separate elements of sunflower production technology. Part 2 (44:06)
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David Franzen. Part 1 (53:38)
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David Franzen. Part 2 (59:23)
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David Franzen. Part 3 (35:08)
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David Franzen, Christopher Graham. Answers to questions (62:25)
Protection against diseases
Protection against weeds
Protection against pests
