葡萄是一种经济价值较高的果树,幼苗定植后,在良好的生长环境条件下,第二年就可以开花结果,三至四年后进入丰产期。以中熟品种巨峰葡萄为例,一般亩产鲜果在2000千克左右,按拉萨市价每千克五元计,亩产值可达一万元,扣除成本,比种蔬菜收入高,纯利相当可观。只要管理好,葡萄生长期一般可达三、四十年或更长。 Grape is a kind of fruit tree with high economic value. After the seedlings are planted, they can blossom the fruit in the second year under good growth environment conditions and enter the high yield period in three to four years. To medium-maturing varieties of Kyoho grape, for example, the general per-mu yield of fresh fruit at about 2000 kilograms, according to Lhasa market price of five yuan per kilogram, the mu output value of up to 10,000 yuan, net of costs, higher than the net income of vegetables, net profit is considerable. As long as the management is good, the grape growth period can generally be up to three or four years or longer.