Orchard July Management Points
The high temperature and rainy season approached. In July, the orchards' main work was to dig trenches, increase phosphorus and potash fertilizers, spray pesticides to protect leaves and fruits, and eliminate large branches that affected the ventilation and light transmission.
The fruit trees of apples and peaches should be treated with more phosphorus and potassium compound fertilizers, and no nitrogen fertilizer should be applied. Generally, 40-50 kg of potassium sulfate compound fertilizer is applied per acre. Phosphorus and potassium fertilizers can also be sprayed on the leaves. Generally, 0.3%-0.5% phosphoric acid can be applied. Hydrogen potassium or fruit leaves special fertilizer.
Peach's summer pruning is mainly based on sparseness, and sparsely backs up on the branch. If there is space, it can be selected as part of the Wangshuzhi topping. Apple's summer pruning is mainly on the lignification of the new shoots, affecting the branches and branches of the air and light through the branches, eliminating the dense branches.
After spraying, it is necessary to spray protective fungicides and insecticides, which can be sprayed with 1:2:200 Bordeaux mixture or 68.75% DuPont eBao 1500 times or smashed 800 times, plus 48% of 1200 times. This period is the high incidence of grape downy mildew. If downy mildew has already occurred severely, it can be treated with 50% of Shideyi 600 times. It can also be controlled with 500 times liquid of Fumei Qi, once in three days, and even twice, it has special effects on grape downy mildew.
Every year, there are always fruit trees that cause dead trees due to guilt. If you do not prepare for flood prevention in advance, you will regret it if heavy rains come. An orchard with poor drainage is best to dig a groove with a width and depth of 0.4 meters or more every 2 to 4 lines.
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