环割减少柑桔裂果红壤山地柑桔园土层较浅，每年７～９月久旱后突降大雨会导致严重裂果。为此，笔者在１９８９年８月２６日下雨后对７年生枳砧尾张温州蜜柑施行环割，以期减少裂果。环割分别于下雨后１小时或１０小时进行，均在主枝基部环割１／２圈，所有主枝都环割，做... Ring cutting to reduce citrus cracking red soil citrus red soil mountain soil layer shallow, 7 to September each year after a drought sudden heavy rains will lead to serious cracking. To this end, the author rains on August 7, 1989 after the rain on the 7-year-old orange ancestor Tangers Saturn ring cut, with a view to reducing the split fruit. Ring cut respectively 1 hour or 10 hours after raining, are cut in the main branch base ring 1/2 circle, all the main branches are ring cut, do ...