白头银合欢是热带亚热带地区值得大力发展的“一树多能”树种。我县于1985年从国外引种栽培,当年种植、当年开花结实。如今,第一代幼树已开始放养紫胶虫,第二代幼苗已移植造林,第三代种子已在播种育苗或造林中。实践证明,它具有生长迅速,适应性强,根系发达,耐旱耐瘠,萌芽力强,易于栽培,树姿优美,树质优良,枝叶繁茂,全身是宝等特点。其叶含25—28％的蛋白质,富含维生素、氨基酸和铜、铁、镁、锌、锰等微量元素。将叶和牧草混合喂养小母牛,每天能增重O.4公斤;喂养泽西种奶牛,一个哺乳期产奶2000升;杂种奶牛可产奶2500升。将叶和鸡、猪饲料混合喂养猪、鸡也 Whiteheads Acacia is tropical “subtropical zone worth the vigorous development of” a tree more able "tree species. My county in 1985 from the introduction of foreign cultivation, planting the year, then flowering strong. Now, the first generation of young trees have started stocking lac insect, the second generation of seedlings have been transplanted afforestation, the third generation of seeds have been sowing seedlings or afforestation. Practice has proved that it has the characteristics of rapid growth, strong adaptability, developed roots, drought-resistant barren, strong germination, easy to cultivate, graceful tree posture, excellent tree, lush foliage, whole body is treasure and so on. Its leaves contain 25-28% protein, rich in vitamins, amino acids and copper, iron, magnesium, zinc, manganese and other trace elements. Will be mixed with leaf and grass fed heifers, weight gain of O. 4 kg per day; feeding jersey dairy cows, a lactation milk 2000 liters; hybrid cows can produce 2,500 liters of milk. The leaves and chickens, pig feed mixed feeding pigs, chickens also