Data sheet

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Trifolium nigrescens

Description
Life form	herb	Physiology	multi stem
Habit	prostrate/procumbent/semi-erect	Category	forage/pasture, environmental
Life span	annual	Plant attributes

Ecology
	Optimal		Absolute			Optimal	Absolute
	Min	Max	Min	Max	Soil depth	shallow (20-50 cm)	shallow (20-50 cm)
Temperat. requir.	16	22	10	26	Soil texture	heavy, medium	heavy, medium, light
Rainfall (annual)	1000	1200	620	1330	Soil fertility	moderate	moderate
Latitude	25	25	45	45	Soil Al. tox
Altitude	---	---	-	1000	Soil salinity	low (<4 dS/m)	low (<4 dS/m)
Soil PH	5.5	6.5	5	7	Soil drainage	well (dry spells)	poorly (saturated >50% of year), well (dry spells), excessive (dry/moderately dry)
Light intensity	very bright	clear skies	very bright	cloudy skies

Climate zone	subtropical humid (Cf), subtropical dry summer (Cs), temperate continental (Dc)	Photoperiod	short day (<12 hours), neutral day (12-14 hours), long day (>14 hours)
Killing temp. during rest	-4	Killing temp. early growth	0
Abiotic toler.		Abiotic suscept.
Introduction risks.

Cultivation
			Min	Max
Product. system		Crop cycle	120	240
Cropping system	Subsystem	Companion species	Level of mechanization	Labour intensity

(at most All5102550100)

Uses
Main use	Detailed use	Used part
environmental	erosion control	entire plant
animal food (feed)	minerals	entire plant
animal food (feed)	vitamins	entire plant