Data sheet

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Allium cepa

Description
Life form	herb	Physiology
Habit	erect	Category	vegetables, medicinals & aromatic
Life span	biennial	Plant attributes	grown on large scale

Ecology
	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	wide, organic
Rainfall (annual)	350	600	300	2800	Soil fertility	moderate	low
Latitude	-	-	60	60	Soil Al. tox
Altitude	---	---	-	2000	Soil salinity	low (<4 dS/m)	medium (4-10 dS/m)
Soil PH	6	7	4.3	8.3	Soil drainage	well (dry spells)	well (dry spells)
Light intensity	clear skies	clear skies	cloudy skies	very bright

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)
Killing temp. during rest	no input	Killing temp. early growth	no input
Abiotic toler.		Abiotic suscept.
Introduction risks.

Cultivation
			Min	Max
Product. system	home garden, large scale/commercial	Crop cycle	85	175
Cropping system	Subsystem	Companion species	Level of mechanization	Labour intensity

(at most All5102550100)

Uses
Main use	Detailed use	Used part
food & beverage	vitamins	entire plant
medicinal	digestive system applications	entire plant
medicinal	immune system applications	entire plant
medicinal	blood system applications	entire plant
medicinal	skin applications	entire plant
medicinal	sensory applications	entire plant
medicinal	respiratory applications	entire plant
medicinal	muscular/skeletal applications	entire plant