Foliar topdressing. For frozen litchi and longan trees, it must be sprayed 800 times every 7 to 10 days, and the humic acid active liquid fertilizer, 1000 times natural brassinolide, 800 times Xingpeng phosphorus potassium No. 1, 1000 times triacontane The alcohol mixture is sprayed continuously for 3 to 5 times.
Timely fertilization. After the cold air, when the temperature rises, the root is applied with a fertilizer, mainly based on NPK and high-quality organic fertilizer, and appropriate supplement of magnesium fertilizer and high-efficiency phosphorus and potassium fertilizer. Trees with more than five years of life, 1.5 to 2 kg of NPK (15-15-15) compound fertilizer, 15-20 kg of manure and poultry manure, 2 to 3 kg of superphosphate or calcium magnesium phosphate , potassium chloride or potassium sulfate 0.5 ~ 1 kg, magnesium sulfate 1 ~ 1.5 kg, ditch application, after the application of soil.
Soil and fertilizer. After fertilization at the root, timely apply the decomposed waste fertilizer, pond mud, fire-burned soil or other soil fertilizer to the topsoil under the canopy, each tree is 150-200 kg, 25 to 30 cm from the canopy drip line. In the direction of the ground, it is 40 to 50 cm away from the trunk and is about 5 to 6 cm thick.
Door Accessories
Door accessories include Automatic Door Kits , High Speed Door Motor And Control Box, High Speed Door Accessories, Other Door Accessories. We can sell any parts of these accessories.
Automatic door kits: Our automatic door kits include 1 motor+gear reducer, 1 belt,7 meter, 1 idle pulley, Microprocessor, 4 sets of carriage blue wheels, 2 sets of floor guides,2pcs remote control, 2 sets belt clamp mounting brackets, 1 power supply harness and cable connectors, 2 locator, Aluminum track whose length is 2.08 meter, 3 meter, or 4 meter. We are a manufacturer of automatic door openers that are designed to provide people convenience. Automatic Door Systems` drive to provide that level of service is but one of the reasons why automatic doors are becoming more and more popular. Our Automatic Sliding Door systems are modern, space-saving and elegant. Automatic sliding doors have many basic functions some of which include: automatic mode with full opening width and/or reduced opening width, and exit only for traffic control. The opening of automatic doors can also be adjustable to make the opening width smaller or larger. Important safety functions such as safety sensors prevent the door from shutting if persons or objects are in the detection zone. If the door leaves are inhibited when closing, they are immediately re-opened or if the door leaves are hindered when opening, they are immediately stopped by a safety automatic reversing mechanism.
High Speed Door motor and control box: Our company have German SEW Motor, Japan Mitsubishi Controller. Our own brand Hofic servo motor and controller. Chinese famous brand SEJ motor and Holip controller. German SEW Motor and Japan Mitsubishi Controller: It is easy to find the ideal energy-efficient motor for your application at SEW. Our rolling gate servo control system is suitable for high speed and high usage soft and hard rolling gate. The whole system is in a small and light package, it has high torque and high operating speed, lower noise, high reliability, smooth and soft operating curves, it`s suitable for high speed and usage environment. SEJ motor and Holip controller: Three-phase asynchronous motor with magnetic brake has broad uses, It is suitable for various mechanical main drive and auxiliary drive, and it is also used for various required rapid stopping and correct positioning.
high speed door accessories: Driving system: High speed door Servo System motor and control, motor SNMA / SEJ +reducer+flang+encoder+control box. Other accessories: Middle aluminium bar, bottom aluminium bar, aluminium vertical track, stainless steel vertical track, brushes,round nylon strip, PVC roll, rolling steel tube complete, drum be;;s for rolling tube, side end covers, stainless steel cover, steel tubes, air bag sensor system, safety light beam, Microwave sensor 24 Gigahertz,PVC welding machine, smoke and fire sensors, PVC transparent window, magnetic loop, photocell, remote control, manual push button, sound warning alarm Led lamp traffic light.
Other door accessories: Sectional door accessories: motor 220V-380V, control box, spring break device, cable break device , aluminum alloy rope pulley, enhanced shaft bracket, air bag system, duplex enhanced guide wheel bracket.
For accessories detail information, please kindly check our detail classify.
Door Accessories,Automatic Door Kits,High Speed Door Accessories,Sliding Door Operator
Shenzhen Hongfa Automatic Door Co., Ltd. , https://www.spiralfastdoor.com