Question

Information about Alfalfa.

Answer 1

Hey @brother
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I want to tell you my loving friend,
ALFALFA
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Spainsh name of a kind of lucerne or medic ( Medicago Sativa ) of great importance as a fodder- plant. It is grown is many parts of the Old World,and extensively cultivated in the Canadian prairies.
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Answer 2

Alfalfa is an herb.
the use able parts of it are  leaves, sprouts, and seeds to make medicine.

the disease in which it use are :- 

Alfalfa is used for kidney conditions, bladder and prostate conditions, and to increase urine flow.
It is also used for high cholesterol, asthma, osteoarthritis, rheumatoid arthritis, diabetes, upset stomach, and a bleeding disorder called thrombocytopenic purpura. People also take alfalfa as a source of vitamins A, C, E, and K4; and minerals calcium, potassium, phosphorous, and iron.