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Black Truffle vs Portobello

Both are Mushroom. Each axis is a percentile across all 538 crops — 80 means higher than four-fifths of the table. Where an axis is missing, the crop genuinely is not measured that way.

Black Truffle Portobello

Measure Black Truffle Portobello
Season Perennial Year-round
Sowing window Feb–Mar Any
Days to harvest 6–10 yr 35–45
Spacing 5 × 4 m Trays 30 cm
Soil pH 7.5–8.3 6.5–7.5
Water 600–900 Composted
Temperature °C 5–30 16–20
Seed rate Inoculated saplings 6–8 kg spawn/t
Yield 20–60 kg/ha 180–250 kg/t
Watch for Brûlé failure, rodents Green mould, mites

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Agriculture Novel is a knowledge base, not an advisory service. Where a page runs a model it shows the method and the inputs; where it quotes the crop reference, those are planning ranges whose sources are listed — and counted — on the sources page. A number that fits a package of practices still has to fit your field: check it against your own soil test and your local agriculture officer before you spend money on it. © 2026 Agriculture Novel · Kharif · 24,425 guides published