1. Alfalfa is native to Asia Minor, Iran, Transcaucasus and Turkmenistan. It was first cultivated in Iran and Turkey. Alfalfa has been cultivated in Qi Er for more than 3,000 years. During the period of Emperor Wu of the Han Dynasty (126 BC), alfalfa and Dawan horse were introduced into my country at the same time. It has a cultivation history of more than 2,000 years.

2. When alfalfa was introduced into my country, it was also introduced into Europe from Iran via North Africa and Spain. It spread from Spain to Central America around the 16th century and began to spread widely on the American continent. It was introduced to South Africa in the 1850s and is now cultivated on all continents in the world. It is distributed in the north to Scandinavia at 69 degrees north latitude, and in the south to Argentina and Chile at 55 degrees south latitude.

3. Due to its long cultivation history, strong adaptability, high grass yield, good quality and high economic value, alfalfa is currently the most widely distributed and cultivated grass in the world. It is estimated that the cultivated area in the world is about 40 million hectares, with North America and South America having the largest areas.

4. Alfalfa was introduced into my country and was first cultivated in the palace of Chang'an. It has a long history, strong adaptability, high grass yield, good quality and high economic value. It is currently the most widely distributed and planted area in the world. The largest grass species. It is estimated that the cultivated area in the world is about 40 million hectares, with North America and South America having the largest areas.

5. Alfalfa was introduced into my country and was first cultivated in the palace of Chang'an as an ornamental plant and fodder for war horses. It was later widely cultivated in the northwest and central plains. Mainly distributed in the Yellow River Basin, such as Shaanxi, Gansu, Ningxia, Shanxi, Xinjiang and other provinces and autonomous regions. At present, in addition to the above-mentioned main production areas, it has been distributed to North China, Northeast China and the Jianghuai River Basin.

6. Over the past 2000 years, the working people of our country have selected and bred more than 80 local varieties of alfalfa, and cultivated some excellent livestock in the alfalfa production areas of Guanzhong, Shaanxi, Longdong, Gansu, and Jinnan, Shanxi. Breeds, such as Qinchuan cattle, Guanzhong donkey, Zaosheng cattle, Jinnan cattle, etc.