哪里的果树环剥刀最好？近几年，栽种果树的农民越来越多．一些果农询问哪里的环剥刀最好？据我了解，国内生产的７种果树环剥刀，从诸多方面来比较，山东省林科所杜华兵同志研制的环剥刀较为适用。这种环剥刀有下列４个方面的优点：①有控制刀口闭合的专门机构；③环剥宽... Where is the best tree ring peeling knife? In recent years, more and more farmers planted fruit trees. Some fruit farmers asked where the best stripping knife? As far as I know, the domestic production of seven kinds of fruit tree ring stripping knife, from many aspects to compare, Shandong Forestry Branch Comrade Duhua Bing developed ring stripping knife is more applicable. This ring stripping knife has the following advantages in 4 aspects: ① has a control blade closure of specialized agencies; ③ ring stripping wide ...