1, rich supply of water
1. If you choose a good site, you must choose a high-altitude building with convenient soil and convenient transportation. It is best to have irrigation prerequisites.
2, pouring enough water to water the premises of the land to flood flood irrigation is better, without irrigation premises, as usual, planting water per plant is much more than 50 kg. From the time of planting to summer harvest, the replenishment will be made on the basis of the evidence.
3. The inter-plot between the fairs will not only be able to increase the utilization rate of the young farm sites, but also guarantee the expenditures of the later period. It is also possible to build up the land and reach the goal of promoting the development of saplings in a short period of time.
4. Seedlings Disposal 1 Appropriate pruning of the roots of the seedling damage to facilitate the development of new roots. 2 When the seedlings are slightly out of water due to long-distance transportation and planting, etc., soak for 6-10 hours with fresh water. 3 Dip root with rooting powder No. 3 50-100 mg/kg solution. 4 Slurry: Use phosphorus fertilizer (1.5 kg superphosphate, add 50 kg of water, add 10 kg of thick loess to stir) and dip root for 30 minutes.
5. The method of keeping water after the aerial water is planted should be appropriate. After infiltration of the colonized water, a 70 or 100 cm wide mulch is used to cover the trees. The film can improve soil moisture content 2.9% -7.73%; spring can improve ground temperature 2.03-5.83 °C, to promote root development, delayed budding. Can improve the survival rate of 27% -35%.
6, Miao dry water 1 plastic film bag. The post-planting seedlings dry plastic film bag is a new skill in the newly-built young gardens, and it is also a useful arts and crafts method to improve the survival rate and increase the amount of development. This technique creates a small situation for sprouting seedlings, and makes all the apple seedlings dry in hiding. Under the plastic film bag, it is not directly affected by post-drought or extreme weather conditions. That is, seedlings can be planted early to increase the amount of development, and the survival rate of seedlings can be improved. The craft is artificially or mechanically processed into a bag with a width of 5 cm, a long seedling height or a dry height, and sealed at one end. After the seedlings are planted, one end of the plant is opened and the shoots are removed, and then the shoots are removed after the sprouts are sprouted. In the new apple orchard, we have accepted the craft on the 145 mu of newly planted apple orchard because of signs of falling water. Planting trees on March 10, the individual seedlings had begun to sprout on March 26, and sprouted 7 days earlier than unmasked bags. The survival rate reached 98%, which is 25% higher than that of unsealed bags. At the beginning of August, the development of uniform shoots reached 69 cm, an increase of 30 cm over the comparison. 2 wrapped in plastic film. When the plastic film bag is not seedling dry, the seedling film is wrapped with a plastic strip and the plastic film is removed when the bud is sprouted. 3 smear. Apply vegetable oil to seedlings after planting to avoid water loss.
2, planting excellent seedlings
Choose more than 15 lateral roots of the first seedlings, the base is 0.25cm thick, and the length is 20cm, diffuse and uniform, and the roots flourish. The seedling height is 100-150cm. There are more than 6 plump buds in the plastic belt. The seedling dryness is preferably 1 cm or more at the base of the grafted species. The joints healed well and no dry piles were found (dredging prone to dry piles). No pest damage, no wrinkle skin water signs.
3, Zhongyuan improvement
1. The fallow cultivation must be fallow or other crop rotation for more than 3 years, and at most 2 times deep plowing for each year. It is best to expose the original planting pit to the soil.
2, change the soil in the new planting points, the 60cm60cm60cm planting points for the use of soil.
3. After digging, the earth in the soil sterilized and colonized hole was backfilled with a summer weather and then backfilled with formalin 300 times to backfill the soil. After spraying, the soil was covered with mulching film for 15 days to kill nematodes and bacteria.
4. Disinfect the seedlings with carbendazim 1000 times solution or dip seedlings for 10-20 minutes, then rinse the roots with water.
5, exquisite planting planting ditch (hole) to avoid the original position, open depth 80 cm, length and width of 100 cm of the planting hole or deep 80 cm of the planting ditch, fill the straw 2 layers, base fertilizer confused with phosphate fertilizer. Planting a settlement pit after disposal will improve survival and increase development.
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