Post-planting management (2)

Post-planting management (2) 2. Diseases and pests control: There are many species of flowers and plants, and the occurrence and development are also more complicated; today, pesticides for pest control are various and varied. Therefore, it is very difficult to explain the control methods one by one. We must grasp the key points, adopt the principle of comprehensive prevention and control, and promptly discover and promptly treat the disease. Truly: Early cure, cure, disease prevention is not seen, pest control insects. The main measures are: (1) Do a good job of clearing up the pathogens and overwintering pests and eggs, and burn the fallen leaves and old bark in time after the fall; (2) Apply more organic fertilizer or all-element fertilizer. Strengthen tree vigor to avoid the occurrence of diseases and insect pests due to lack of nutrients or maladjustment; (3) Pay attention to reasonable pruning, ensure tree ventilation and light transmission, correctly determine the load of flowers and fruits, reasonably sparse fruit and fruit, ensure that the tree is robust; 4) Conscientiously do a good job of greenland drainage to ensure that there is no stagnant water; (5) Strictly control the seedlings, and refuse to purchase or plant seedlings that have serious diseases such as rot and root nodule; (6) Change the variety of pesticides often. In order to avoid drug resistance and reduce the efficacy.

Power Wheelchair

The fundamental difference from traditional electric scooters, battery scooters, bicycles and other transportation tools is that electric wheelchairs have intelligent operating controllers. According to the different operation methods, there are rocker-type controllers, and controllers controlled by various switches such as the head or blowing system. The latter is mainly suitable for severely disabled people with upper and lower limbs. Nowadays, electric wheelchairs have become an indispensable means of transportation for the elderly and the disabled. It is suitable for a wide range of objects. As long as the user has a clear consciousness and normal cognitive abilities, the use of electric wheelchairs is a good choice, but it requires a certain amount of space for activities.

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