聚合草(Symphytum Peregrinum)又叫紫草根、爱国草,原产地中海沿岸国家,主作猪饲料,还可以喂牛、兔和鸡,又是绿肥和蜜源植物。聚合草产量较高,当年新栽的,若管理得好,亩产可达万斤,第二年二万斤,第三年三万斤以上。聚合草含粗纤维比苜蓿低,氮、磷、钾成份比紫穗槐高,据分析干草中含粗蛋白约百分之二十一、粗脂肪约百分之四点五、粗纤维约百分之十三,是一种优质高产的饲料。大力推广聚合草能提供大量猪饲料,为国家节约粮食,又 Symphytum Peregrinum is also called Comfrey root, patriotic grass, the origin of the Mediterranean countries, the main pig feed, you can also feed cattle, rabbits and chickens, but also green manure and nectar plants. Aggregate grass yield higher, the new planted year, if managed well, up to ten thousand kilograms per mu, the second year twenty thousand jin, the third year more than thirty thousand jin. Aggregate grass-containing crude fiber is lower than alfalfa, nitrogen, phosphorus and potassium components than Amomum high, according to analysis hay crude protein containing about 21 percent, about 4.5 percent crude fat, crude fiber about 100 Thirteen, is a high-quality and high-quality feed. Promote the polymerization grass to provide a large number of pig feed for the country to save food, and