poplar
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
Poplar is a tree crop, a perennial. Sow it in Jan–Feb and expect to harvest in 5–8 years. It wants a pH of 6.0–8.0 (close to neutral) and 10–35°C. Plant at 5 × 4 m. A good crop returns around 20–30 m³/yr. Watch for defoliator, stem borer.
Growing Poplar6 sentences from our guides, quoted exactly
Temperate regions: Poplar, willow, oak for timber and cold tolerance.
Poplar and hornbeam are sometimes used as alternatives; research and local trials are advisable before large-scale planting.
The most common commercial hosts are oak (Quercus spp.), hazel (Corylus avellana), hornbeam, and some species of pine and poplar.
Common hosts used worldwide include oak (Quercus), hazel (Corylus), chestnut and some poplars.
Common hosts for black truffles include certain oaks and hazel species; some growers use pistachio or poplar depending on the truffle species.
Two main approaches work in UP: Natural shade under deciduous trees (poplar, plane, or forest remnants).
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.