The color seedlings of the sweet pepper are: seedling age 25 to 30 days, plant 4 to 5 leaves, plant height 8 to 10 cm, development degree 6 to 8 cm, cotyledon intact.
Nursery technology
1. The period of growth and development of color pepper is 150 days and the color change period is 15 to 30 days.
2. Immersion germination Foreign varieties are generally treated with high temperature, so do not have to be disinfected; domestic varieties can be soaked with 10% trisodium phosphate solution for 20 minutes, destroy the seeds with poison, and then rinse the seeds with water 3 to 4 times, with 60 °C Soaked in warm water, stir until the water temperature dropped to 30 °C, soak for about 3 hours. After soaking, rinse with warm water 2 or 3 times, remove and use a sterile gauze to wrap the seeds, put them in place at 25 °C ~ 30 °C, usually 4 ~ 5 days budding.
3. Seedlings, nursery and nursery preparations General nursery sites use solar greenhouses, and shade nets and insect nets are placed on greenhouses in advance. Use soil to raise seedlings, and do flat hoeing in the middle part of the greenhouse. Add 100 kg of high-quality rotting organic fertilizer and 0.5 kg of ternary compound fertilizer per 10 square meters of seedlings, mix well, sifted, and level the flour. The bottom water was poured 1 day before sowing, and 0.33 cm thick fluvo-aquic soil was spread on the morning of sowing. For use of substrate seedlings, 810 cm nutrients were used. Fill the container with the matrix before sowing. The matrix generally adopts a ratio of 3:2 of peat and vermiculite, or a small amount of river sand. After being sieved and mixed uniformly, the matrix is ​​filled into the nursery container, and after being filled up, it can be suppressed slightly. The day of sowing was filled with water.
Video door-phone (also known as video door entry or video intercom) is a stand-alone intercom system used to manage calls made at the entrance to a building (residential complex, detached family home, workplace, etc.) with access controlled by audiovisual communication between the inside and outside. The main feature of video door entry is that it enables the person indoors to identify the visitor and, if (and only if) they wish, engage in conversation and/or open the door to allow access to the person calling.
The following product is the best-selling and most cost-effective video door phone in our factory,
It adopts a 4.3-inch high-definition screen and an aluminum alloy body, and is equipped with led light. It has night vision function and can clearly monitor the outdoor environment and make video calls with visitors even in the dark; physical button operation, classic design, no Easily leave fingerprints and keep your device clean and tidy. It can be used in multi-apartment systems.
The product parameters of 888QZJ4A are 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 + physical 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. Elevator linkage function, connect the security system
8. LINUX system platform architecture, system simplification and stability
9. LPDDR3 1 GB memory, standard EMMC 8 GB storage expandable
10. RJ45 standard ethernet interface all-digital design
11. Low power consumption technology solution, saving energy and long life span
12. Dimension:400*140*51(mm)
13. Install method : Wall/flush install (390*130*46 mm)
14. Image/video advertising playback (advertising can be customized)
15. Door opening:IC/ID card/ password/call the Indoor Monitor or center management machine unlock
We are a factory specializing in the production, manufacture and research and development of video door phones for 11 years. We are located in the beautiful coastal city - Zhuhai. We have our own R&D team, we can provide professional products and services. We have different systems of video door phone for different customers and markets, for example, IP video door phone, 2-wire audio door phone, 4-wire video door phone and wireless doorbell, if you are interested, please feel free to contact me, I can send our catalog to your email.
Video Door Phone,Video Door Phone Intercom System,Video Phone Doorbell,Video Door Calling System
Zhuhai Mingke Electronics Technology Co., Ltd , https://www.mingke-tech.com