Traditional Culture Encyclopedia - Weather inquiry - Why did you take the eraser early in the morning?

Why did you take the eraser early in the morning?

Glue cutting is not only a technical activity, but also a strict requirement on time. Usually, rubber cutting begins in the early morning. Do you know why? Let's take a look at the benefits of tapping in the morning.

Why does tapping start in the wee hours? It makes sense to cut the glue in the morning, because the glue output is the highest all day at this time. Practice has proved that if the tapping output is 100% before 7 am, the tapping output will decrease by 6% by 8 am. This is because the early morning is the lowest temperature and the highest humidity in a day. After a night's rest, the transpiration of rubber trees is weakened or stopped, and the body is full of water. The expansion of cells is the biggest in a day, so the yield of rubber tapping is the highest in the morning. After 9: 00, the stomata of rubber tree opened, transpiration gradually increased, swelling pressure gradually decreased, and tapping yield also decreased.

How much gum can rubber trees cut?

Usually calculated according to dry glue. Normal new varieties are cut once every six years, and the yield is not high in the first two years. A plant with a gum content of about half a catty, 25%, means the tree with the highest yield, with a yield of 0. 125 catty, 8 to 12 years. If the dry gum content is between 25 and 30, the annual output per plant is generally about 4kg-5.8kg.

How to cut rubber trees? Rubber tapping is a technical activity. If you master the skills, you will not only hurt the rubber tree, but also cut a lot of rubber. But if you don't master the skills well, it is easy to hurt the rubber tree and the efficiency is low. So how do you cut the glue? We have compiled the details of the "three looks" for everyone as follows: three looks: adjust the depth according to the season, change the secant, watch the weather secant, and watch the tree secant.

Skills: In general weather, the glue consumption thickness of each knife is 0. 12 cm. Cut to separation layer 1.2? 1.8 cm is appropriate. ) The secant slope is smooth. The secant slope of young and middle-aged seedlings is generally 22? 25 。 Bud grafting tree and old seedling tree are both 25? 30 。 Good sharpening skills. Generally speaking, when cutting rubber, you should cut a flat knife. In the hot and dry season, you can cut a slightly straight knife, which is beneficial to glue discharge. After mid-June, 10, the side knife should be slightly cut, which is beneficial to disease prevention.