Alfalfa is the common name for the plant of the genus Clover, commonly known as Kumquat, which is a perennial flowering plant.

Alfalfa, commonly known as goldenrod, is a wild herb. Alfalfa grown in China is mainly alfalfa and southern alfalfa. Alfalfa comes from Iran and, as the name suggests, produces purple flowers. Alfalfa was introduced to China during the Western Han Dynasty, and its main use is to make hay fodder or used as pasture. South alfalfa, also known as alfalfa cabbage, the flowers are golden yellow, more suitable for people to eat than alfalfa, the common golden cauliflower on the market generally refers to the south alfalfa.

Alfalfa is rich in nutrients, is very ideal for livestock feed, has the title of "king of pasture". It can also be eaten by humans as food, and when disposed of by discarding the rhizomes and leaving the leaves behind, it makes a tender dish that is a delicacy in the springtime.

Clover on the requirements of the ecological environment

Clover grass has a tenacious vitality, and its adaptability is also strong, after planting can play a role in protecting soil and water, sand, sand, and the role of slope protection and green mountainous areas, in addition to planting it in the saline and infertile land can also play a role in improving the soil. Clover grass is a perennial plant, it likes to grow in a warm and moist environment, its adaptability is strong, in the PH value of 5.5-9 soil can be planted.

The cold resistance of alfalfa under low-temperature stress is mainly manifested in frost resistance, which is caused by subzero temperatures that cause the tissues to freeze, resulting in cell dehydration and damage. Alfalfa is a temperate plant, with a certain degree of cold resistance, but then, its cold resistance is far less than yellow clover, also less than alfalfa and yellow clover hybridization and the formation of hybrid alfalfa. Different varieties and ecotypes of alfalfa, different fertility stages of the same variety, there are also differences in cold resistance.