After falling leaves in late autumn, cut the current year's branches from the mother tree without diseases and insect pests(10x20 growing trays), or combine with plastic pruning to cut the branches with thick and full buds, without diseases and insect pests and mechanical damage as cuttings(50 cell plastic propagation tray wholesale price). Cut the selected cuttings into 40-50cm branches and store them in wet sand.
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The nursery land of ziyeli should be convenient for irrigation and transportation(5 gallon pots cheap). The soil layer should be deep, fertile and loose sandy loam. Before land preparation, 1-1.5 tons of rotten farmyard manure shall be evenly spread on each mu of land, and then 50% carbendazim 1500g or potassium permanganate mixed with water shall be used for soil sterilization and disinfection(36 cell propagation trays wholesale), and 4000g of 50% zinc sulfur phosphorus granules shall be used for killing underground pests.
(cheap plastic 2x2 grow tray suppliers in china)Then deep plough, fine rake, level the land, remove weeds, waste agricultural film and other debris, and make the border(cheap potting pots). The length of the border is determined according to the garden land, and the width of the border is 1 m; the ditch between the border and the border is 0.3 m wide and 0.2 m deep(18 cell propagation trays wholesale). After cutting the cuttings, level the ploughing on the border surface, and prepare for cutting. From late March to early April, keep the seedbed moist.
Immediately drain the water to make the cuttings close to the soil(mini plastic flower pots). Cutting method before cutting, first cut off the branches just cut or stored in wet sand, cut off the thin and weak branches and dry shrinkage part of water loss, and then cut the long branches from bottom to top to grow 10 to 12 cm, with 3 to 5 buds(50 cell seed starter trays). The lower end of the cuttings is cut into a smooth slope near the buds to increase the contact surface between the cambium and the soil.(cheap plastic 2x2 grow tray suppliers in china)
At the same time, the top of the cuttings was cut to a plane 0.8 to 1 cm from the bud(square plastic plant pots uk). Immediately immerse the lower inclined surface in clear water for 15 to 20 hours to make the insert fully absorb water. The rooting agent was prepared with 50 × 10-6abt6 rooting powder in proportion and dipped into cuttings to facilitate rooting(40 cell seed starting trays). In the middle of April, press them down slightly, remove the shed film, apply fertilizer, weed and water in time.
(cheap plastic 2x2 grow tray suppliers in china)The slant of the cuttings was inserted into the soil with a row spacing of 5 × 5cm, and the buds at the upper end were 0.5cm to 1cm above the ground(1 gallon pot). After the ground is slightly dry, double-layer mulch is used to protect the moisture content, and a small plastic arch shed with a height of 1 m and the width of the border surface is built on the border surface for the purpose of heat preservation and cold resistance(72 cell seed starter trays), which is conducive to rooting.
The seedbed with plastic film and small arch shed can be kept for a long time without irrigation(branded plant pots), for example, the soil under the plastic film is dry, and then the water is infused along the border ditch. When the minimum temperature drops to - 5 ℃, the arch shed shall be provided with straw curtain for anti freezing and heat preservation(20 cell seed starting trays). After the lowest air temperature rises to 0 ℃, the grass curtain will be opened in the daytime and around at night.
The cuttings are ready to select the tree aged 3 to 4 years and the robust tree as the mother tree(where to buy plastic plant pots). When the minimum temperature is above 5 ℃, the canopy shall be opened during the day, and the air shall be released properly to prevent the seedlings from being burned by high temperature(18 cell seed starting trays). At the beginning of March, when the height of seedlings was 3-5cm, the air volume was increased gradually with the growth of seedlings.(cheap plastic 2x2 grow tray suppliers in china)