hazelnut
Answered from our own 538-crop reference and 24,425 guides. No figure is invented — every number traces to that reference, and every passage below is quoted from a guide published here.
From our crop reference
Hazelnut is a nut crop, a perennial. Sow it in Dec–Jan (planting) and expect to harvest in 4–5 years to bear. It wants a pH of 6.0–7.0 (close to neutral) and 10–24°C. Plant at 5 × 5 m. A good crop returns around 1.5–2 t. Watch for blight, filbert weevil.
Growing Hazelnut6 sentences from our guides, quoted exactly
Selecting and planting host trees Common hosts for black truffles include oak species and hazelnut (Corylus avellana).
Common host species used in commercial culture include: Hazelnut (Corylus avellana or related Corylus species) – widely used and manageable for small-scale plots.
dentatum), hazelnut (Corylus spp.), red twig dogwood (Cornus sericea), and witch hazel (Hamamelis virginiana).
Host tree choice and planting are the enterprise core: Host trees: Oaks (Quercus spp.), hazelnut (Corylus avellana), hornbeam and some pines are common hosts.
Common hosts: oak species, hazelnut, pine and some other ectomycorrhizal trees.
(hazelnut) and Castanea (chestnut) can work if adapted to your site.
Found by keyword match. Nothing above was generated — every sentence is quoted from a published guide, and every figure comes from the 538-crop reference.