Reasonable fertilization and fertilization can be carried out from September to November, but early application is better, so as to achieve the fertilizer effect in the year and increase the nutrient reserve before wintering. In the selection of fertilizers, farmyard manure should be used as the mainstay. The saplings should be sterilized by 30 kg of manure or 50 kg of manure; the result would be 50 kg of manure or 100 kg of manure. In addition, pay attention to the application of NPK fertilizer or fruit tree fertilizer, small tree plant 1 kg, 2 kg of trees.
Deep plowing In order to keep the soil loose, deep plowing should be carried out between the rows of trees. The depth is generally 20 cm. In deep plowing, roots can be properly cut off to promote new roots and promote tree growth. However, the thickness of the root cut should be controlled within 0.5 cm in diameter, and it should be less or not.
After clearing the fallen leaves and weeds, we must remove the fallen leaves in time to eradicate the weeds and burn them, or concentrate the defoliation weeds in the fertilizer to make organic fertilizers. This will not only increase the fat source, but also eliminate pests and diseases.
After the prevention and control of pests and diseases, a 5 Baume degree lime sulfur was sprayed on the plants to eliminate germs and some of the pests.
The tree trunk is painted white. Before the leaves fall to the ground, the trunk may be painted white in order to protect the trunk from freezing damage and prevent insects from spawning. The formulation of the whitening agent is: 1 kg of lime, 5 kg of water, 100 g of salt, and 50 g of vegetable oil. The lime is first opened and then mixed with salt and vegetable oil.
In order to maintain soil moisture and eliminate pests and diseases, winter irrigation should be conducted before the soil is frozen. The amount of water should be large, and the whole park can be flooded.
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