This standard specifies the environmental conditions(plastic cell trays supplier), seedling techniques, pest control, finished seedling standards and production files of broccoli intensive seedlings. This standard is applicable to the intensive seedling production of cauliflower in Shandong Province. The following documents are indispensable for the application of this document. Only the dated date applies to this document(plastic nursery pots manufacturers). For undated references, the latest edition (including all amendments) applies to this document.
(cheap plastic propagation trays for sale)Choose from solar greenhouses or multi-span greenhouses(32 cell seed trays wholesale), fill light, seedbeds, plugs, flats, sprinkler systems, fans, temperature control and shading equipment. The use of hot-dip galvanizing anti-corrosion, anti-rust treatment of metal bed frame, steel mesh bed surface, aluminum alloy window frame mobile seedbed. Strong resistance to deformation, more than 60 cm above the ground(wholesale nursery pots). A 105-hole black PS standard plug is generally used, and the size is 540 mm × 28 mm × 40 mm (length × width × height).
Ground concrete hardens or lays other materials(seed starting trays wholesale). Facility hygiene: Before sowing, the surface of the nursery and surrounding weeds and transparent coverings should be removed, and 15% of the quicklime aqueous solution should be used to spray the inside and outside of the infrastructure. Disinfection of the facility: Each 667 square meters of greenhouse is mixed with 1.6 kg of potassium permanganate, 1.65 liters of formaldehyde and 8.4 kg of boiling water to generate smoke(plastic nursery pots wholesale). It is sealed for 48 hours and can be used after the odor is exhausted.
(cheap plastic propagation trays for sale)Or choose continuous fine weather in the hot season, sprinkle water on the indoor floor(3.54inch plastic plant pots), close the nursery facility, and continue to swell for more than 15 days. Or spray disinfection of the facility with 75% chlorothalonil WP 500 times solution and 50% carbendazim WP 500 times solution. Soak the tray with 40% formalin 100 times solution for 20 to 30 minutes, and seal with plastic film for 7 days, then rinse off with water(plastic nursery pots). Or take it in hot water for 80 minutes at 80 °C, take it out and let it dry.
Covering rigor and environmental control equipment(3.94inch plastic plant pots), the nursery environment conditions meet the requirements of NY5010. Or soak the plug in 1000 times of potassium permanganate solution for 10 minutes, rinse off with water. The film used should meet the requirements of GB13735. The nursery facility adopts a high temperature shack(plug trays wholesale), the vent is closed with a 40-mesh insect net, and a 20 cm × 30 cm yellow plate and a blue worm plate are suspended every 20 square meters on the seedbed to control the occurrence of pests and diseases.
(cheap plastic propagation trays for sale)The bed is flat and can be nursed all year round(3.54inch plastic nursery pots). For dated references, usually, the growth process of the plug is in four stages, the operation is simple and easy, and the storage is stable. The most critical period of the production of the plug is the first and second stages. The main measures are: increase ventilation, reduce temperature, reduce moisture, check the robustness of the nursery facilities before sowing, dry after germination, and spare less(black plastic nursery pots), which is very beneficial to the growth of roots.