Cultivation and weeding. Combine with applying winter fertilizer to eradicate weeds in the pear orchard, bury it deep in the fertilizing nest, and then deep turn the pear orchard. Plow shallowly under the canopy, turn 20~30 cm deep between rows, and treat the plots with edges and ditches to loosen the soil and eliminate overwintering insect eggs. Apply full winter fertilizer. Before the deep winter, the pear orchard should be deep-turned, and adequate winter fertilizer should be applied. The fertilizer amount accounts for 30% of the total annual fertilizer application, mainly organic fertilizers such as decomposed oil cake fertilizer and residue fertilizer. Organize pruning. For young pear orchards that have been planted for 1 to 2 years, on the basis of pulling branches in summer that year, when pruning in winter, take measures such as pulling branches, supporting branches and hanging branches on the 2~4 branches that have been cultivated to keep them 60 The opening angle of °~70° is to relax the tree's vigor and form a dwarfed crown; for adult fruiting trees, pruning is carried out by thinning, short cutting and renewing and retracting, so that the crown is ventilated and light, and the layers are distinct, reaching the inside and outside The purpose of the result. Pest control. Remove the dead branches and fallen leaves near the pear orchard, cut off the pests and branches, scrape off the tree trunks and bark, burn them or bury them in a concentrated manner; before the winter, make 1 or 2 small grass handles with straw and place the branches of the pear , To attract pests to overwinter on the grass stems. When the spring starts, all the grass stems are burned together, which can eliminate a large number of overwintering pests; after the pear trees fall leaves to before they germinate, the pear orchard should be generally sprayed with 2~3 Baume lime sulfur mixture 1 ~2 times, and whiten the trunk with the used medicine residue. Whitening the trunk can reduce the occurrence of sunburn and eliminate the wintering pear star caterpillars and red spiders in the trunk and tree crevices. The proportion of whitening agent is: 10-12 parts quicklime, 2 parts clay, 2 parts lime-sulfur mixture, 1~2 parts salt, 36-40 parts water, and some pesticides can be added. Dissolve the lime with hydration, filter out the ash, pour in the dissolved salt, then pour in the lime sulfur mixture and clay, and mix well. Whitening should be carried out after the leaves are fallen to before the soil freezes. It is advisable to apply it so that it will not run off and will not warp or fall off after drying. Disclaimer: Some articles on this website are transferred from the Internet. If the legal rights of third parties are involved, please inform this website for handling. phone
We have a variety of designs for Intercom System With Tuya, different sizes, different keys, etc., you can refer to our pictures,
We have been focusing on independent research and development of intercom system with tuya
since 2011. We have professional reach and devolve team to serve you, and we can provide you with professional products and services, If you need more information about our factory or intercom system, please do not hesitate to contact us, we are very honored to share catalog with you.
Smart doorphone with tuya is an intercom system that can be connected to a mobile phone. The system adopts a unified TCP/IP networking architecture to connect all-digital video intercom, security equipment and elevator linkage system. At the same time, it can be connected to the central management machine. The property community can better manage tenants, improve user experience and property services, etc. They use POE switches to connect multiple indoor units and video door phones, and POE switches supply power to the indoor units. The wiring is very simple and convenient, and the overall cost is low.
Smart doorphone with tuya improves user experience, because users can receive call information, and can monitor Video Door Phone at any time through tuya application, even if users are in an office, picnic or travel, they can immediately receive call information from visitors , and talk to them, you can also monitor visitors. If it is the user's friend, it can also remotely unlock the visitor on the mobile phone, which is very convenient.
The video doorphone in the picture is the most popular model from our company - MK-AZZJ4C, we have adopted the embedded design, which is very classic and beautiful. It is also an Android system, which can support simultaneous connection of multiple indoor units and mobile phones to realize remote monitoring, calling and unlocking on the mobile phone. We have also added the function of face recognition and LED fill light, which can clearly monitor and unlock using face recognition even at night. Ideal for multi-apartment, hotel and community applications.
The following are the parameters of MK-AZZJ4C for your reference:
1. 4.3 inch 720 HD display TCP/IP Intercom system
2. Calling, intercom, unlocking, monitoring
3. High quality aluminium alloy frosted panel + high-end glass lens + sensor buttons
4. Digital camera, stable and clear image shooting
5. Night vision and bright light compensation function
6. Full duplex voice intercom, comparable to ordinary telephone intercom
7. Android system ,ARM CPU, TUYA App (support Android and IOS system)
8. LPDDR3 1 GB memory, standard EMMC 8 GB storage expandable
9. RJ45 standard ethernet interface all-digital design
10. Low power consumption technology solution, saving energy and long life span
11. Dimension:400*140*51(mm)
12. Install method : Wall/flush install (390*130*46 mm)
13. Image/video advertising playback (advertising can be customized)
14. Door opening:IC/ID card/ password/ face recognition/ mobile phone
Our company has been focusing on intercom system for 11 years, we can provide you with different systems, like IP, 2 wire and 4 wire system, and we are also OEM & ODM factory, support to customize your brand and function, Thank you very much for your interest in our products, if you need more detailed information, please feel free to contact me.
Smart Doorphone With Tuya,Tuya Smart Doorbell,Tuya Video Doorbell,Tuya Smart Video Doorbell Zhuhai Mingke Electronics Technology Co., Ltd , https://www.zhmkdz-electronics.com