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Variety traits

Alfalfa Protein Content

Medicago sativa L.

Crude protein content in alfalfa is a key indicator of forage quality, depending on the growth stage, and ranges from 18–25% on a dry matter basis at optimal harvesting time.

In the reference 66 varieties crop Alfalfa, where this is mentioned in the description.

The crude protein content in alfalfa is highest during the branching stage, reaching 25% or more. During the optimal harvesting period, which occurs from the bud stage to the beginning of flowering, the values vary within the range of 17–22%. As the plant enters the flowering stage, protein concentration decreases to 15–16% due to the accumulation of structural carbohydrates and the process of stem lignification.

A decrease in protein levels below 14–15% indicates that the plants have been left in the field too long or that there has been a failure in agronomic practices, specifically high soil acidity, which limits nitrogen fixation. To maintain high protein quality, phosphorus-potassium nutrition and strict adherence to harvest timing are critical, as overly early harvesting can negatively affect the longevity of the stand.

General information about the subject — on the page Protein content.

Sources8

Varieties of Alfalfa mentioned in the description

Selection based on the description text, not on official evaluation: these data are absent from registers. For specific variety details, please refer to its profile.

Medicago sativa L. · Alfalfa

Institute of Field and Vegetable Crops (SB)

BG
6 records

Medicago sativa L. · Alfalfa

University of Georgia Research Foundation

IT
5 records

Prista 3

Active

Medicago sativa L. · Alfalfa

M. Mirchev, D. Dekov, D. Petkova, V. Toromanova

BG
5 records

Birutė

Active

Medicago sativa L. · Alfalfa

Lietuvos agrarinių ir miškų mokslų centras

LT
4 records

Corsa

Active

Medicago sativa L. · Alfalfa

GOLDEN WEST SEED RESEARCH Co.

GR
5 records

Regina

Active

Medicago sativa L. · Alfalfa

LAGUNAS

FR
6 records

Medicago sativa L. · Alfalfa

RAGT 2N S.A.S

FR
6 records

Cezara

Active

Medicago sativa L. · Alfalfa

SCHITEA MARIAMARTURA TEODOR

RO
5 records

Tahoe

Active

Medicago sativa L. · Alfalfa

NOVARTIS SEEDS

IT
7 records

Daniela

Active

Medicago sativa L. · Alfalfa

VARGA PAUL MIHAILSCHITEA MARIAMARTURA TEODORDIHORU ALEXANDRINAHAGIMA IOANA

RO
6 records

Medicago sativa L. · Alfalfa

Institute of field and vegetable crops, Novi Sad, Serbia

BG
4 records

Medicago sativa L. · Alfalfa

E.E.A.MANFREDI INTA

ES
7 records

Paola

Active

Medicago sativa L. · Alfalfa

MEDITERRANEA SEMENTI SRL

UA
4 records

Dobrogea

Active

Medicago sativa L. · Alfalfa

RO
4 records

Frigos

Active

Medicago sativa L. · Alfalfa

CZ
4 records

Medicago sativa L. · Alfalfa

IT
6 records

Limory

Active

Medicago sativa L. · Alfalfa

Grass G.I.E.

FR
4 records

Durango

Active

Medicago sativa L. · Alfalfa

GREAT PLAINS RES.

IT
5 records

Nicoleta

Active

Medicago sativa L. · Alfalfa

SCHITEA MARIADRAGAN LENUTA

RO
4 records

Medicago sativa L. · Alfalfa

MEDITERRANEA SEMENTI SRL

IT
3 records

Cinna

Terminated

Medicago sativa L. · Alfalfa

Amelioration Fourragere (FR)

FR
5 records

Dorine

Active

Medicago sativa L. · Alfalfa

Barenbrug Holland BV (NL)

FR
3 records

Teodora

Active

Medicago sativa L. · Alfalfa

SCHITEA MARIAMARTURA TEODOR

RO
4 records

Petra

Active

Medicago sativa L. · Alfalfa

SCHITEA MARIADRAGAN LENUTA

RO
4 records