除治梨树下的萌蘖不宜使用草甘膦山地老梨树下，往往有大量萌蘖。出现萌蘖的原因，一是这些老梨树就是嫁接在原来的萌蘖上的，致使多年萌蘖不断，刨除后又发出新的萌蘖；二是在梨树下耕翻或施肥作业中，损伤一部分根系产生萌蘖。这些萌蘖的地下根颈往往是与梨树根系相连。... In addition to governance pear under the sprout should not use glyphosate mountain pear under the old, often a large number of sprout. The emergence of the reasons for the emergence of sprouts, one is that these old pear is grafted on the original sprout, resulting in many years of continuous sprout, after planing issued a new sprout; the second is in the pear plowing or fertilization operation, Part of the damage root sprouting. These sprouting underground roots are often linked to the roots of pear trees. ...