Apple garden silver reflective film, mainly to promote the coloring of the fruit, increase its sugar content, increase the fruit's single fruit weight; favorable next year flower bud differentiation, but also can greatly improve the economic benefits of the finished fruit. The method of laying reflective film on apple orchard is described as follows:
First, the film coating period from the apple bag after the fruit coloring to harvest.
Second, the placement of film inside and outside the tree tray should be paved. The degree of coverage should be determined by the size of the canopy. Since the dense planting garden is connected to the tree wall by the canopy, it can be laid on both sides of the trunk along a straight line.
Third, the film laying method before laying the film, the first good place to cut off the roots around the trunk, the building on the ground of the large and medium-sized stones, broken soil rub waste, the land into the trunk of the soil slightly lower, so that Can make rain rush to the lines and keep the membrane clean. When laying the film, do not pull the film too tightly; otherwise, the film will shrink and tear when the temperature decreases, affecting the anti-twist effect and the service life. After laying the film, use stones, bricks, ropes, nails, and wooden pegs, but do not use the soil to fix the film to prevent wind wrinkles. Always pay attention to cleaning the foliage and dust on the membrane to increase the reflective effect of the membrane.
Fourth, with the technical application of reflective film to cooperate with other color enhancement technology in order to play its significant results.
The proper amount of whole branches, especially the crown base branches, should not be too dense and maintain a distance of 30-50 cm from the ground. The amount of per mu is stable at about 6-88,000, and there is 1/3 of the shadow area under the canopy.
After the leaves were harvested within one month (after bag extraction), the leaves were picked, and the total number of picked leaves was not more than 30-50% of the total leaf mass of the whole tree. This has no adverse effect on tree vigor and yield in the following year.
In order to make the fruits full color, the positive side of the fruit coloring is turned to the negative side, and the negative side of the coloring is turned to the positive side; besides, the fruit branches and fruits in other directions should be drooped downwards so that the fruit can be turned downwards for profit. Coloring.
5. Before harvesting the reflective film, clean the leaves and soil blocks on the reflective film, remove the solids, carefully lift the film, fold it up, wash it with clean water, dry it, and use it in a non-corrosive environment indoors. Stored in the reserve.
VI. Precautions In the dense tree crowns, poor light transmittance of orchards and the transfer of serious gardens in the whole park, the effect of adding reflective film on the color is very poor, so this type of park to adjust the amount of branches through thinning, in the film deposition conditions The reflective effect of the slope is better than that of the plains, and the north-south direction is better than the east-west direction. Therefore, we must pay attention to the choice of terrain and direction.
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