Vegetables· Zea mays var. saccharata
Guide de culture du Sweet Corn
Sweet corn is a mutation of field corn selected for high sugar content at the milk stage. It is harvested immature and eaten as a vegetable rather than a grain. Modern supersweet (sh2) varieties retain sweetness much longer after harvest than older types.
Conditions de croissance
Exigences du sol
Type de sol et pH
Meilleurs types de sol : loam, sandy loam, silt loam
Plage de pH : 5.8 - 7 (optimal : 6.5)
Drainage : good
Besoins en nutriments (N-P-K)
Guide de plantation
Rendement et économie
Ravageurs et maladies courants
Ravageurs courants
- corn earworm
- European corn borer
- fall armyworm
- Japanese beetle
Maladies courantes
- common rust
- northern leaf blight
- smut
- stewarts wilt
Utilisez la pour identifier les problèmes tôt et prévenir les pertes de récolte.
Conseils de culture
Plant sweet corn in blocks of at least 4 rows (not single long rows) to ensure adequate wind pollination and full ear fill.
Isolate supersweet (sh2) varieties from other corn types by 75 m or 2 weeks in planting time to prevent cross-pollination that reduces sweetness.
Harvest at the milk stage when silks are brown and dry; pierce a kernel with your fingernail and milky juice should squirt out.
Questions fréquentes
How long does Sweet Corn take to grow?
Sweet Corn typically takes 75 days from planting to harvest. Seeds germinate in about 7 days. The best planting season is late spring, early summer.
What soil does Sweet Corn need?
Sweet Corn grows best in loam, sandy loam, silt loam soil with a pH of 5.8-7. Good drainage is required.
What temperature does Sweet Corn need?
Sweet Corn grows best at 21-30°C. Frost tolerance: none. Heat tolerance: moderate.
What is the expected yield for Sweet Corn?
Sweet Corn yields approximately 15,000 kg/hectare under good conditions.
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