The Rotary Motorized Tapping Knife was First Reported in the Rubber Planting Area of Maoming City
Due to the low price of rubber and the shortage of tappers,the Maoming rubber planting area faces the risk of large-scale abandonment of rubber.Improving the potential of existing tappers and quickly training many qualified tappers will affect the development speed,quality,and efficiency of natural rubber.The traditional hand-pushing tapping method is a fine and highly technical manual operation.Most rubber planting areas in Maoming use this method to tap rubber.There are several disadvantages,such as high labor intensity for tappers,long training times,high dead skin rates of rubber trees,and difficulty in further improving the tapping speed.Mechanized and intelligent rubber tapping tools and technology research at home and abroad have received much attention,and the upgrading of good tools and methods cannot be separated from the introduction or creation of new core resources.In this study,'Reyan 73397',a representative variety in the Maoming rubber growing area,was used as the test material,and 4CJX rotary motorized tapping knives(RMKs)and traditional hand-pushing tapping knives(HPKs)were compared and analyzed.The results revealed that the bark consumption of the RMK is signifi-cantly lower(p＜0.01),the cutting depth of the RMK is significantly shallower(p＜0.01),the cutting speed of the RMK is re-markably faster(p＜0.01),and the labor intensity of the RMK is significantly lower(p＜0.01).At the same time,the experi-mental RMK tapping can be carried out after seven days of training,which has a positive effect on shortening the training time and reducing the training cost.The diversified development of tapping methods is conducive to the further improvement of tapping technology.The RMK does not pollute latex,and laticifer extrusion,friction,and HPK do not differ much through the mechanical structure to control the amount of bark consumed,control the cutting depth,avoid ultradeep tapping,prevent easy damage to trees,and have a positive effect on the protection of rubber trees and rubber trees to maintain health.This guaran-tees the maintenance of high and stable production.The difference between the use of RMK and HPK is relatively large,and it is necessary to strengthen the targeted training of tappers to solve the problem of production reduction.Moreover,many im-provements in machinery are needed to carry out more targeted designs.It is believed that with the further development of machinery and the maturity of technology,RMK will become an important tool to solve the problem of rubber cutting in the Maoming rubber planting area.
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