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闽南垦区,纬度高、气温低,是橡胶重寒害区.除个别小环境适种不抗寒高产品系外,而绝大部份环境只宜种抗寒的中、低产品系和实生树.现植胶面积约12万亩左右,目前开割胶树除小部份是高产品系外,而大部份是低产品系和实生树.按常规割法,要年割100刀左右,而生产上有的单位竟割到110～120刀,甚至个别单位提出没有刀数,便没有产量,似乎刀数越多,产量越高.这样就会引起加刀强割的现象,花工多、产量也不一定理
Minnan Reclamation Area is characterized by high latitude and low temperature, and is a heavy-cold-hardened area for rubber. In addition to being suitable for cold-resistant and high-yielding products in some small environments, most of the environment is suitable for medium and low-yielding cold-resistant and real-life trees. Now planting gum area of about 12 acres, the current open except for a small part of the gum tree is a high product line, while most of the low-product line and the tree. According to the conventional cut method, to cut about 100 knives, and production Some units actually cut to 110 ~ 120 knives, and even individual units proposed no knives, there is no output, it seems that the more knives, the higher the yield. This will result in the phenomenon of knives and cut, cut flowers, yield Not necessarily reasonable