Nuts· Juglans regia
Guide de culture du Walnut
Large deciduous tree producing premium nuts rich in omega-3 fatty acids. English (Persian) walnut is the primary commercial species, often grafted onto black walnut rootstock.
Conditions de croissance
Exigences du sol
Type de sol et pH
Meilleurs types de sol : deep loam, silt loam, alluvial
Plage de pH : 6 - 7.5 (optimal : 6.5)
Drainage : good
Besoins en nutriments (N-P-K)
Guide de plantation
Rendement et économie
Ravageurs et maladies courants
Ravageurs courants
- codling moth
- walnut husk fly
- aphids
Maladies courantes
- walnut blight
- crown rot
- thousand cankers disease
Utilisez la pour identifier les problèmes tôt et prévenir les pertes de récolte.
Conseils de culture
Walnuts produce juglone, a compound toxic to many plants — avoid planting tomatoes, peppers, or apples within the drip line of walnut trees.
Harvest when the green hull begins to split and separate from the shell; delay causes kernel darkening and quality loss.
Requires 400-1500 chill hours depending on variety; select cultivars matched to your specific winter climate.
Questions fréquentes
How long does Walnut take to grow?
Walnut typically takes 2190 days from planting to harvest. Seeds germinate in about 60 days. The best planting season is winter, spring.
What soil does Walnut need?
Walnut grows best in deep loam, silt loam, alluvial soil with a pH of 6-7.5. Good drainage is required.
What temperature does Walnut need?
Walnut grows best at 15-28°C. Frost tolerance: moderate. Heat tolerance: moderate.
What is the expected yield for Walnut?
Walnut yields approximately 3,500 kg in-shell/hectare under good conditions.
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Termes agronomiques clés
Les concepts agricoles essentiels, expliqués simplement.
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