在水果王国的美国加州,有葡萄一年收获二、三次的栽培方法。葡萄是一个很容易形成花芽的树种,据调查“巨峰”在早春枝梢长到10节时,基部第四芽即已开始花芽分化,根据葡萄这一特点,采用对新梢进行二次摘心,三次修剪的方法,使之形成花芽重复结果,达到一年多收的目的。 In the fruit kingdom of California, USA, there are two or three cultivation methods for grapes harvesting in one year. Grape is a very easy to form flower bud tree species, according to the survey “Jufeng” in early spring shoots up to 10 knots, the fourth base bud has begun to flower bud differentiation, according to the characteristics of grapes, Three pruning method to make the formation of flower bud repeat results, to achieve the purpose of receiving more than a year.