目前国际市场对一些草类产品 ,如苜蓿草产品的需求量急剧增加。日本、韩国及东南亚的一些国家每年都需要大量的苜蓿干草产品 ,仅日本市场每年需进口苜蓿 2 2 2 0万 t,年进口总额 4.8亿美元。现在其主要的供应国是美国、加拿大和澳大利亚。我国有近 3亿头草食家畜 ,每年需 2 0 0 At present, the demand for some grass products, such as alfalfa products, on the international market has risen sharply. Some countries in Japan, South Korea and Southeast Asia need large quantities of alfalfa hay products every year. Only 22 million t of alfalfa is imported into the Japanese market every year, and the total annual import value is 480 million U.S. dollars. Now its main suppliers are the United States, Canada and Australia. There are nearly 300 million grass-fed domestic animals in our country, requiring 200 annually