1、定干的时间。秋栽和春栽的苹果幼树,宜在阳历3月中、下旬果树萌芽前进行定干。定干过早,形成干梢,顶端芽生长势弱,过晚,芽已萌动,影响枝势。故以“惊蜇”前到“春分”后之间为新栽苹果定干的最佳时间。 2、定干的高度。视地势、土壤肥力、品种特性、栽植 1, set the time dry. Autumn planting and spring planting apple saplings, should be in the middle of March in the Gregorian calendar, early fruiting before budding dry. Drying too early, the formation of dry shoots, the top of bud growth is weak, too late, the bud has sprouted, affecting the branch. Therefore, “jing sting” before the “equinox” between the new planted for the best time to dry apples. 2, set the height of dry. Depending on topography, soil fertility, variety characteristics, planting