苹果细长纺锤形整形修剪技术对亩栽８３株的乔砧普通型苹果和亩栽１１１株乔砧短枝型苹果，均应采用细长纺锤形进行整形修剪。一、高定干高定干可以加强中干优势，缓和结果枝组长势，提早进入结果期。一般壮苗定干高度为１～１２米，定干后在干高７０厘米以上进行刻芽目... Apple slender spindle trim pruning 83 acres of acre planted ordinary apple and mu planted 111 anvil spur-type apples, should be used elongated spindle-shaped plastic trim. First, the high fixed dry high dry can strengthen the advantage in the dry, ease the results of the growing branch group, early into the results period. Generally strong seedlings set the dry height of 1 ~ 1  2 m, set dry after 70 cm above the stem carved Bud ...