陵县农业外资办在中国农科院畜牧所的指导下,于1988年引进了原产北美洲的“饲草之王”——串叶松香草。经过多点试验证明,它是一种很有发展前途的高产优质新型饲料作物。该草属于菊科多年生宿根草本植物,特点是:①、管理简单,适应性强。它不择土壤,耐热抗寒,春夏播均可,播种一次可连续生长利用10～15年。②、营养丰富,产草量高。它茎叶柔嫩多汁,含粗蛋白18～23％,并富含动物必需的多种氯基酸,优于所有豆科牧草。两年生亩产鲜草量可达1.4万公斤,亩产种子60～70公斤。③、畜禽 Under the guidance of the Animal Husbandry Institute of Chinese Academy of Agricultural Sciences, the Agricultural Foreign Investment Office of Ling County introduced the “king of forage grass”, the native foxtail grass, in 1988 in North America. After more tests proved that it is a very promising new high-yielding quality feed crops. The grass belongs to Asteraceae perennial herb, is characterized by: ①, simple management, adaptability. It does not select the soil, heat and cold, spring and summer sowing can be sowing a continuous growth and utilization of 10 to 15 years. ②, nutrient-rich, high yield. It is tender and juicy stems and leaves, containing 18 to 23% crude protein, and rich in animal-based variety of chlorine acid, better than all leguminous forage. Two-year yield of fresh grass up to 14,000 kg per mu of seeds 60 to 70 kg. ③, livestock and poultry