After a summer of nutrient consumption of pear trees, the tree body has gradually weakened, and after fruit harvesting, the fruit trees have entered a period of complete nutritional accumulation, in order to enable the tree to quickly recover and enhance, to prevent pear trees due to pests and diseases caused by early defoliation, secondary As a result of flowering, pear farmers in various areas should manage pear orchards immediately after fruit harvest.
The first is to strengthen pest control. It is necessary to strengthen the prevention and control of scab, black spot, pear nettles, pear wood lice, scale insects and cockroaches. Can be used 80% of Dasheng M-45 800 times, or 2O% thiophanate-methyl 1000 times solution of 10% 4.5% efficient hydrochlorothrin 2000 times solution, if a serious orchard occurs in the crickets can join 15% of the broom net 2000 times spray. Since the field climate in autumn is suitable for the occurrence of pests and diseases, and the frequency of damage is frequent, the number of medications should be increased. According to the extent of the occurrence of diseases and insect pests, medication should be used once every 20 days to effectively control the hazards.
The second is weeding and weeding. Reduce weed consumption of nutrients and water.
The third is fertilizer management. Timely application of fertilizer after harvest, to promote tree restoration, according to the tree size per plant applied urea or compound fertilizer 0.5 kg - 1 kg.
The fourth is to protect the leaves and increase the tree's storage and nutrition. In order to strengthen the prevention and control of pests and diseases of pears, fertilizer should be sprayed on the leaves to keep the leaves green and improve the ability of the leaves to produce photosynthetic products. Potassium dihydrogen phosphate 0.2% + urea 0.2% can be added.
The first is to strengthen pest control. It is necessary to strengthen the prevention and control of scab, black spot, pear nettles, pear wood lice, scale insects and cockroaches. Can be used 80% of Dasheng M-45 800 times, or 2O% thiophanate-methyl 1000 times solution of 10% 4.5% efficient hydrochlorothrin 2000 times solution, if a serious orchard occurs in the crickets can join 15% of the broom net 2000 times spray. Since the field climate in autumn is suitable for the occurrence of pests and diseases, and the frequency of damage is frequent, the number of medications should be increased. According to the extent of the occurrence of diseases and insect pests, medication should be used once every 20 days to effectively control the hazards.
The second is weeding and weeding. Reduce weed consumption of nutrients and water.
The third is fertilizer management. Timely application of fertilizer after harvest, to promote tree restoration, according to the tree size per plant applied urea or compound fertilizer 0.5 kg - 1 kg.
The fourth is to protect the leaves and increase the tree's storage and nutrition. In order to strengthen the prevention and control of pests and diseases of pears, fertilizer should be sprayed on the leaves to keep the leaves green and improve the ability of the leaves to produce photosynthetic products. Potassium dihydrogen phosphate 0.2% + urea 0.2% can be added.
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