Preparation of white paint

The white coating agent is a trunk coating agent prepared from quicklime. It can reduce the damage of trees caused by frost damage and sunburn, and can cover the wound to prevent the invasion of bacteria. If an insecticide or fungicide is properly added, both the source of the disease and the wintering of the pests on the trunk are combined. The time for applying the white paint is generally mid-to-late October. To prevent the trees from suffering sunburn, it can also be done in June. Brushing height is determined by the size of the tree, usually 1.2 to 2 meters above the ground. White paint preparation methods are the following: First, the use of lime sulfur residue, plus the same amount of lime and the amount of water made. This method is simple and economical, but its adhesion is weak and it is easy to fall off. Second, 10 pounds of lime, lime sulfur liquid 2 pounds, salt 2 pounds, animal oil 2 two, 36 pounds of water. The quicklime and salt are separately opened with hot water, then the two liquids are mixed and stirred, then animal oil and lime sulfur are added to serve as the mixture. Third, quicklime 5 pounds, salt 2.5 pounds, sulfur powder 1.5 pounds, animal oil 2 two, soybean powder 1 two, water 36 pounds. The quicklime and the salt are separately opened with hot water, then mixed and stirred, and then the animal oil sulfur mixture is added. Fourth, 12 pounds of lime, salt 2 pounds, half a catty soy adhesive, water 36 pounds. The quicklime is first opened to make lime milk, and soy sticks are added. Soybean paste can also be replaced with soy milk.

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