果树实行三、二、一、栽培法效果好范崇晓辽宁省凤城，地处大苹果经济栽培区的北界线上。年降雨量１０００毫米左右，１月份平均气温－１２℃左右，小气候好的地方，果树生长良好，产品质量也很可观。笔者积多年经验认为采用科学栽培方法是丰产的好途径．自１９８８年春开... The implementation of three or two fruit trees, a cultivation method is good Fan Chongxiao Fengcheng, Liaoning Province, is located in the northern boundary of the economic cultivation area of ​​apple. Annual rainfall of about 1000 mm, in January the average temperature of about -12 ℃, good places microcirculation, fruit trees grow well, product quality is also impressive. I plot many years of experience that the use of scientific methods of cultivation is a good way to yield. Since spring 1988 ...