牲畜啃树是造成林木保存率低的一个重要原因。尤其是四旁树木和零散树,最容易遭受牲畜啃食破坏。这里介绍几种防止牲畜啃树的简易方法: 一、树干涂白。将涂白剂涂在牲畜可及高度的树干上,既可防止牲畜啃食,又能起到防冻、防灼、防病虫的作用。二、树干刷血。在一份鲜牲畜血中加水一至二倍,搅拌均匀后刷在树干上,牲畜嗅到血腥味即可走开。三、树干涂刷牲畜粪便。用新鲜的牲畜粪便涂刷在容易啃食的树干部位即可。切忌往树干上涂抹废机油、废柴油或沥 The grazing of livestock is an important reason for the low preservation rate of trees. In particular, surrounded by trees and scattered trees, the most vulnerable to the destruction of livestock eating. Here are a few easy ways to prevent animals eating trees: First, the trunk painted white. Applying the whitening agent on the trunk of the animal at a high level can prevent the grazing of the livestock and can also play a role of antifreeze, anti-burning and pest control. Second, the trunk brush blood. In a fresh animal blood add water one to two times, stir brush on the tree trunk, smell the smell of blood to go. Third, trunk brushing livestock excrement. Brush with fresh livestock excrement in the easy to eat parts of the trunk can be. Do not smear the trunk of waste oil, waste diesel or lek