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Old 09-13-2007, 09:21 PM   #1
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Alfalfa (Medicago Sativa L.)

Alfalfa (Medicago Sativa L.) Basics

Grows LikeForb/herb
DurationAnnual, Perennial
U.S. NativeIntroduced to U.S.
PLANTS Invasive StatusSWSS

Alfalfa (Medicago Sativa L.) Morphology and Physiology

Active Growth PeriodSpring, Summer, Fall
After Harvest Regrowth RateRapid
AllelopathNo
BloatHigh
C:N RatioLow
Coppice PotentialNo
Fall ConspicuousNo
Flower ColorPurple
Foliage ColorGreen
Foliage Porosity SummerModerate
Foliage Porosity WinterPorous
Foliage TextureFine
Fruit Seed ColorBrown
Fruit Seed ConspicuousNo
Growth FormSingle Crown
Growth RateRapid
Height Mature feet2
Leaf RetentionNo
LifespanLong
Low Growing GrassNo
Nitrogen FixationHigh
Resprout AbilityNo
ErectErect
ToxicityNone

Alfalfa (Medicago Sativa L.) Growing Requirements

Adapted to Coarse Textured SoilsNo
Adapted to Fine Textured SoilsYes
Adapted to Medium Textured SoilsYes
Anaerobic ToleranceNone
CaCO3 ToleranceHigh
Cold Stratification RequiredNo
Drought ToleranceHigh
Frost Free Days (Minimum)90
pH Minimum6
pH Maximum8.5
Precipitation Minimum12
Precipitation Maximum65
Root Depth (Minimum inches)24
Salinity ToleranceLow
Shade ToleranceIntolerant
Shade ToleranceIntolerant
Minimum Temperature (F)-43

Alfalfa (Medicago Sativa L.) Reproduction

Bloom PeriodSpring
Commercial AvailabilityRoutinely Available
Fruit Seed AbundanceHigh
Fruit Seed Period BeginsSummer
Fruit Seed Period EndsSummer
Fruit Seed PersistancesNo
Propagated by Bare RootNo
Propagated by BulbsNo
Propagated by ContainerNo
Propagated by CormsNo
Propagated by CuttingsNo
Propagated by SeedYes
Propagated by SodNo
Propagated by SprigsNo
Propagated by TubersNo
Seed per Pound226800
Seed Spread RateSlow
Seedling VigorHigh
Seedling VigorHigh
Small GrainNo
Vegetative Spread RateSlow

Alfalfa (Medicago Sativa L.) Edibility and Other Uses

Berry/Nut Seed ProductNo
Christmas Tree ProductNo
Fodder ProductYes
Fuelwood ProductNone
Lumber ProductNo
Naval Store ProductNo
Palatable to a Browse AnimalHigh
Palatable to a Grazing AnimalHigh
Palatable to a HumanYes
Pulpwood ProductNo
Veneer ProductNo
CategoryDicot
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Old 09-13-2007, 09:21 PM   #2
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Alfalfa (Medicago Sativa L.)

Alfalfa (Medicago Sativa L.) grows like a Forb/herb. Alfalfa (Medicago Sativa L.) is an Annual, Perennial. Alfalfa (Medicago Sativa L.) is Introduced to U.S.. Alfalfa (Medicago Sativa L.) has a PLANTS Invasive Status of: SWSS. Spring, Summer, Fall is when Alfalfa (Medicago Sativa L.) is actively growing. Alfalfa (Medicago Sativa L.) has a Rapid growth rate after harvest. Alfalfa (Medicago Sativa L.) is not an allelopath. Alfalfa (Medicago Sativa L.) has a Low C:N Ratio. Alfalfa (Medicago Sativa L.) has a coppice potential of No. Alfalfa (Medicago Sativa L.) is not fall conspicuous. Alfalfa (Medicago Sativa L.) has a Purple colored flower. Alfalfa (Medicago Sativa L.) has Green colored foliage. In the summertime, Alfalfa (Medicago Sativa L.) has a Moderate foliage porosity. In the wintertime, Alfalfa (Medicago Sativa L.) has a Porous foliage porosity. Alfalfa (Medicago Sativa L.) has a Fine foliage texture. Seeds of Alfalfa (Medicago Sativa L.) are Brown. Seeds of Alfalfa (Medicago Sativa L.) are No conspicuous. Alfalfa (Medicago Sativa L.) grows as a Single Crown. The growth rate of Alfalfa (Medicago Sativa L.) is Rapid. The mature height of Alfalfa (Medicago Sativa L.) is 2 feet. The lifespan of Alfalfa (Medicago Sativa L.) is Long. The shape and orientation of Alfalfa (Medicago Sativa L.) is Erect. Alfalfa (Medicago Sativa L.) is not adapted to coarse textured soils. Alfalfa (Medicago Sativa L.) is adapted to fine textured soils. Alfalfa (Medicago Sativa L.) is adapted to medium textured soils. The anaerobic tolerance of Alfalfa (Medicago Sativa L.) is None. The CaCO3 tolerance of Alfalfa (Medicago Sativa L.) is High. Alfalfa (Medicago Sativa L.) does not require cold stratification. The drought tolerance of Alfalfa (Medicago Sativa L.) is High. Alfalfa (Medicago Sativa L.) requires a minimum of 90 frost free days per year. The minimum pH of Alfalfa (Medicago Sativa L.) is 6. The maximum pH of Alfalfa (Medicago Sativa L.) is 8.5. The minimum Precipitation that Alfalfa (Medicago Sativa L.) requires is 12. The maximum Precipitation that Alfalfa (Medicago Sativa L.) can handle is 65. The minimum root depth of Alfalfa (Medicago Sativa L.) is 24 inches. The salininty tolerance of Alfalfa (Medicago Sativa L.) is Low. The shade tolerance of Alfalfa (Medicago Sativa L.) is Intolerant. The shade tolerance of Alfalfa (Medicago Sativa L.) is Intolerant. The minimum temperature that Alfalfa (Medicago Sativa L.) requires is -43. The bloom period of Alfalfa (Medicago Sativa L.) is Spring. The commerical availability of Alfalfa (Medicago Sativa L.) is Routinely Available. The fruit seed abundance of Alfalfa (Medicago Sativa L.) is High. The fruit seed period of Alfalfa (Medicago Sativa L.) begins Summer. The fruit seed period of Alfalfa (Medicago Sativa L.) ends Summer. The fruit seed persistance of Alfalfa (Medicago Sativa L.) is No. Alfalfa (Medicago Sativa L.) is not propagated by bare roots. Alfalfa (Medicago Sativa L.) is not propagated by bulbs. Alfalfa (Medicago Sativa L.) is not propagated by container. Alfalfa (Medicago Sativa L.) is not propagated by corms. Alfalfa (Medicago Sativa L.) is not propagated by cuttings. Alfalfa (Medicago Sativa L.) is propagated by seed. Alfalfa (Medicago Sativa L.) is not propagated by sod. Alfalfa (Medicago Sativa L.) is not propagated by sprig. Alfalfa (Medicago Sativa L.) is not propagated by tubers. Alfalfa (Medicago Sativa L.) can generally yield 226800 seeds per pound of seeds. Alfalfa (Medicago Sativa L.) has a Slow seed spread rate. Alfalfa (Medicago Sativa L.) has a High seedling vigor. Alfalfa (Medicago Sativa L.) has a High seedling vigor. Alfalfa (Medicago Sativa L.) does not have a small grain. Alfalfa (Medicago Sativa L.) has a Slow vegatative spread rate. Alfalfa (Medicago Sativa L.) does not have a berry/nut seed product. Alfalfa (Medicago Sativa L.) is not viable as a Christmas Tree. Alfalfa (Medicago Sativa L.) makes a good fodder product. Alfalfa (Medicago Sativa L.) does not make a good fuel wood product. Alfalfa (Medicago Sativa L.) does not make a good lumber product. Alfalfa (Medicago Sativa L.) does not make a naval store product. Alfalfa (Medicago Sativa L.) is not palatable to browse animals. Alfalfa (Medicago Sativa L.) is not palatable to grazing animals. Alfalfa (Medicago Sativa L.) is not palatable to humans. Alfalfa (Medicago Sativa L.) does not make a pulpwood product. Alfalfa (Medicago Sativa L.) does not make a veneer product. Alfalfa (Medicago Sativa L.) is of the category, Dicot.
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Old 10-28-2008, 09:22 AM   #3
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Grow Spot member, Patrick Torley, has informed me that
Quote:
alfalfa has an autotoxicity to itself, meaning that after a crop has been established and grown for a few years there is a toxic chemical present in the ground and re-planting does not work at all. The crop has to be rotated to something else, such as corn, or any other crop that requires a significant amount of nitrogen, which is good because the alfalfa is giving you a credit of about 50 lbs. of N per year.
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Old 11-08-2009, 10:02 PM   #4
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Alfalfa is a legume that has a long history of dietary and medicinal uses. A small number of animal and preliminary human studies report that alfalfa supplements may lower blood levels of cholesterol and glucose. However, most research has not been well-designed. Therefore, there is not enough reliable evidence available to form clear conclusions in these areas.
Alfalfa supplements taken by mouth appear to be generally well tolerated. However, ingestion of alfalfa tablets has been associated with reports of a lupus-like syndrome or lupus flares. These reactions may be due to the amino acid L-canavanine, which appears to be present in alfalfa seeds and sprouts, but not in the leaves. There are also rare cases of pancytopenia (low blood counts), dermatitis (skin inflammation), and gastrointestinal upset.

Last edited by smgardener; 11-11-2009 at 04:10 PM.
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Old 11-09-2009, 06:35 PM   #5
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There are also rare cases of pancytopenia (low blood counts), dermatitis (skin inflammation), and gastrointestinal upset.

Last edited by flaxsulcr; 11-10-2009 at 06:20 AM.
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