Data sheet
View crop Data sheet EcoPortAllium cepa var. cepa
Description | |||
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Life form | herb | Physiology | single stem |
Habit | erect | Category | vegetables, environmental |
Life span | annual, biennial | Plant attributes | grown on large scale, grown on small scale |
Ecology | |||||||
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Optimal | Absolute | Optimal | Absolute | ||||
Min | Max | Min | Max | Soil depth | medium (50-150 cm) | shallow (20-50 cm) | |
Temperat. requir. | 12 | 25 | 4 | 30 | Soil texture | medium, organic | heavy, medium, light |
Rainfall (annual) | 350 | 600 | 300 | 2800 | Soil fertility | moderate | low |
Latitude | 25 | - | 35 | 60 | Soil Al. tox | ||
Altitude | --- | --- | - | 3000 | Soil salinity | low (<4 dS/m) | |
Soil PH | 6 | 7 | 4.3 | 8.3 | Soil drainage | well (dry spells) | well (dry spells) |
Light intensity | clear skies | clear skies | very bright | cloudy skies |
Climate zone | tropical wet & dry (Aw), tropical wet (Ar), steppe or semiarid (Bs), subtropical humid (Cf), subtropical dry summer (Cs), subtropical dry winter (Cw), temperate oceanic (Do), temperate continental (Dc), temperate with humid winters (Df), temperate with dry winters (Dw) | Photoperiod | short day (<12 hours), neutral day (12-14 hours), long day (>14 hours) |
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Killing temp. during rest | no input | Killing temp. early growth | no input |
Abiotic toler. | Abiotic suscept. | ||
Introduction risks. |
Cultivation | ||||
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Min | Max | |||
Product. system | Crop cycle | 85 | 175 | |
Cropping system | Subsystem | Companion species | Level of mechanization | Labour intensity |
Uses | ||
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Main use | Detailed use | Used part |
food & beverage | vitamins | rhizomes |
food & beverage | minerals | rhizomes |
environmental | agroforestry | entire plant |