Method for planting trees out of season

Abstract

The invention provides a method for planting trees out of season. The method comprises the following steps: S1, digging planting holes; s2, seedling lifting: spraying an anti-transpiration agent before seedling lifting; s3, soil improvement, wherein organic soil and organic fertilizer are added into the planting holes; 4, watering, wherein rooting water is immediately watered after planting, and then 5-8 cm of soil is covered; nutrient water is poured after 5-7 days; s5, conveying a nutrient solution; s6, erecting a shading net; s7, maintaining: watering and dissolving fertilizer; s8, spraying an anti-transpiration agent; according to the method, the anti-transpiration agent, the organic fertilizer, the rooting agent, the water-soluble fertilizer and the microbial fertilizer are reasonably selected and utilized, the infusion nutrient solution is input, planting is carried out in hot seasons from mid-to-late May to mid-to-early October, the highest survival rate of evergreen arbors can reach 100%, and the highest survival rate of deciduous arbors can reach 95%.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of tree planting, in particular to a tree transplanting method in off-season. BACKGROUND

[0002] The normal construction time of seedling planting is from the middle of March to the beginning of May or from the middle of October to the end of November; from the middle to the end of May to the middle to the beginning of October, it is in the summer high temperature stage, the average temperature is higher than 25 DEG C, so that the transpiration of seedling after transplanting is greater than the absorption, and the root water loss is fast in the process of digging and transporting, therefore, the survival rate of the seedling planted at present stage is relatively low; however, in the daily construction, due to the situation development and construction period requirement, etc., the seedling planting in the middle to the end of May to the middle to the beginning of October is encountered, which belongs to the off-season planting and cannot guarantee the normal survival of the seedling. SUMMARY

[0003] In order to solve the above technical problems, the present application provides a method for planting trees in off-season, which comprises the following steps: S1, digging planting hole: the soil ball is increased when the seedling is dug, the planting hole should be matched with the soil ball, the diameter of the planting hole is 11-13 times of the diameter of the trunk, and the soil in the planting hole is kept moist; S2, seedling: in June to July, evergreen trees or deciduous trees are selected, the evergreen trees are pruned before being dug, the deciduous trees are pruned before being dug, the main branches are kept, the rest are cut off, and the anti-transpiration agent is sprayed before the seedling is dug; the seedling is preferably dug in the morning, evening or night in summer, the seedling is shaded, watered and transported in night as far as possible during the transportation process; S3, soil improvement: organic soil and organic fertilizer are added in the planting hole, the seedling is planted in the planting hole, the soil is backfilled to the surface layer of the soil ball by 3-5 cm, the seedling is supported after being compacted; the garbage such as concrete block, stone, lime and cement is cleaned in time and cannot be buried; the adding amount of the organic fertilizer and the organic soil is 300-400 g / pit; S4, watering: the seedling is watered with rooting water after being planted, and then the soil is covered by 5-8 cm; the rooting water is a mixture of water and rooting agent, and the mass ratio of the rooting agent to water is 1:450-550; the nutrient water is watered after 5-7 days; S5, delivering nutrient solution: the nutrient solution is delivered to the seedling by infusion after the seedling is watered with the nutrient water; the nutrient solution is suitable for the recovery of the tree vitality after the off-season planting, improves the survival rate, drives and kills insects, prevents and treats diseases, can quickly supplement the high activity substances required by the plant, makes the plant grow healthy and strong, and enhances the adaptability; the activity of the plant cell (enzyme and water) is maintained, and the physiological growth of the plant is healthy; S6, set up shade net: shade net is higher than the top of the trunk 1-1.5 m, the distance between the four sides and the edge of the seedling is 0.5-1 cm; S7, maintenance: after irrigating nutrient water for 10-15 days, dilute water-soluble fertilizer 300-500 times, irrigate the root of the transplanted tree, and make the root soil soak through; S8, spray anti-transpiration agent: when the average temperature is higher than 25℃, spray anti-transpiration agent on the seedling every 7-10 days.

[0004] Moreover, in step S3, when the local soil is clay soil, the mass ratio of the organic fertilizer and the organic soil is 3:1.

[0005] Moreover, in step S3, when the local soil is sandy soil, the mass ratio of the organic fertilizer and the organic soil is 5:1.

[0006] Moreover, in step S4, the nutrient water is the microbial fertilizer diluted with 50-80 times of water; the microbial fertilizer is a new type of biological compound, full-nutrition, and high-efficiency liquid fertilizer specially used for ground cover, which is developed and researched by using biological transformation chelation technology with bioactive humic acid, earthworm protein, honey, brown sugar, NPK and microelements, and compound microbial flora as main raw materials. It is a new scheme of nutrient promotion and activation with multiple functions such as nutrition, immunity, sterilization, rooting, drought resistance, transpiration reduction, and early decline prevention, which is suitable for various trees and shrubs, and can effectively improve soil, fertilize soil, balance nutrients, promote rooting, and increase the survival rate of transplanted trees. Moreover, in step S5, the specific method of delivering nutrient liquid is as follows: (1) punch a hole for delivering liquid at the root neck of the tree body, and select a flat, smooth, and non-scar part; (2) deliver liquid for 10-15 days through the hole for the seedling, and the temperature of the liquid is 20-30℃; (3) after the delivery of the liquid is completed, supplement the liquid with water for 1-2 days; (4) handle the wound after the delivery of the liquid, disinfect and sterilize the wound with Songer 400 times liquid, and then fill the hole with sawdust; (5) deliver liquid for the second time after the tree body starts to recover and sprout for 15-20 days.

[0007] Moreover, in step S6, the shading degree of the shading net is 65%-75%.

[0008] Moreover, in step S4, the time for irrigating rooting water and nutrient water is before 10:00 and / or after 15:00; and in step S8, the time for spraying anti-transpiration agent is before 10:00 and / or after 17:00.

[0009] And, the concentration of the anti-transpiration agent in the steps S2 and S8 is 1:450-550.

[0010] And, in the step S6, the position for delivering the nutrient solution is 30-50 cm above the surface of the soil ball.

[0011] And, the way of punching the hole for delivering the nutrient solution is drilling at an angle of 40-50 degrees downwardly; the hanging needle for the nutrient solution is hung on the shady part of the trunk.

[0012] The organic fertilizer used in the present application is a green substrate provided by Inner Mongolia Mengcao Plant Nutrition Technology Co., Ltd., the water-soluble fertilizer is an amino acid water-soluble fertilizer provided by Inner Mongolia Mengcao Plant Nutrition Technology Co., Ltd., the microbial fertilizer is a microbial fertilizer provided by Inner Mongolia Mengcao Plant Nutrition Technology Co., Ltd., the hanging needle nutrient solution is a large tree hanging needle nutrient solution provided by Inner Mongolia Mengcao Plant Nutrition Technology Co., Ltd., the anti-transpiration agent is a leaf water retention anti-transpiration agent purchased from Guangdong Piaoliu Plant Protection Co., Ltd., and the rooting agent is a rooting liquid provided by Inner Mongolia Mengcao Plant Nutrition Technology Co., Ltd. Beneficial effects

[0013] The method for planting trees in off-season provided by the present application provides a method suitable for planting seedlings in the hot season from the middle or late May to the middle or early October by reasonably selecting and using the anti-transpiration agent, the organic fertilizer, the rooting agent, the water-soluble fertilizer and the microbial fertilizer, and inputting the hanging needle nutrient solution, thereby improving the survival rate of the seedlings planted in off-season. When the present application is used, the survival rate of evergreen trees can reach 100% and the survival rate of deciduous trees can reach 95% when the trees are planted in the hottest weather in June and July. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 In the embodiment 1 of the present application, the seedlings are planted into the planting hole; Figure 2 In the embodiment 2 of the present application, the nutrient solution is delivered to the seedlings; Figure 3 In the embodiment 2 of the present application, the anti-transpiration agent is sprayed after the seedlings are planted; Figure 4 In the embodiment 1 of the present application, the effect picture after the shading net is set up. DETAILED DESCRIPTION Embodiment 1

[0015] A method for planting trees in off-season, comprising the following steps: S1, digging a planting hole: the diameter of the planting hole is 10 times the diameter of the trunk at breast height, and the soil in the planting hole is kept moist; S2, seedling: June, choose evergreen trees, evergreen trees before picking up the dry, combing branches; deciduous trees before picking up pruning, keep the main branches, all cut, before the seedling spray anti-transpiration agent; S3, soil improvement: in the planting hole to add organic soil and organic fertilizer, the seedling is planted into the planting hole ( Figure 1 ), immediately backfill soil over the soil ball surface 3 cm, after compaction, the seedling is supported; the addition amount of the organic fertilizer and the organic soil is 300 g / pit; S4, watering: immediately after planting, watering rooting water and then covering soil 5 cm; the rooting water is a mixture of water and rooting agent, and the mass ratio of rooting agent to water is 1:450; 5 days later, nutrient water is poured; S5, delivery of nutrient solution: after the seedling is poured with nutrient water, the seedling is delivered with nutrient solution by infusion; S6, set up shading net: the shading net is 1 m higher than the top of the trunk, and the distance from the edge of the seedling is 0.5 cm; S7, maintenance: after 10 days of pouring nutrient water, water-soluble fertilizer is diluted 500 times, and is poured on the root part of the transplanted tree to make the soil of the root part saturated; S8, spray anti-transpiration agent: when the average temperature is higher than 25℃, the anti-transpiration agent is sprayed on the seedling every 10 days.

[0016] Moreover, in the step S3, when the local soil is sandy soil, the mass ratio of the organic fertilizer to the organic soil is 5:1.

[0017] Moreover, in the step S4, the nutrient water is microbial fertilizer diluted with 80 times of water.

[0018] Moreover, in the step S5, the specific method for delivering nutrient solution is: (1) a infusion hole is punched at a flat, smooth and non-scar part of the root neck of the tree; (2) the seedling is infused with nutrient solution through the infusion hole for 10 days, and the temperature of the nutrient solution is 20℃; (3) after the infusion of the nutrient solution is completed, clean water is supplemented for 1 day; (4) the wound is treated, the wound is disinfected with 400 times of Songer liquid, and then the hole is filled with sawdust ash; (5) the second infusion is performed 15 days after the tree starts to recover from germination.

[0019] Moreover, in the step S6, the shading degree of the shading net is 65%.

[0020] Moreover, in the step S4, the time for pouring rooting water and nutrient water is before 10:00; in the step S8, the time for spraying the anti-transpiration agent is before 10:00.

[0021] Moreover, in steps S2 and S8, the concentration of the antitranspirant is 1:450.

[0022] Furthermore, in step S6, the nutrient solution is delivered 30cm above the surface of the soil ball.

[0023] Moreover, the infusion hole is drilled at a 40-degree angle downwards; the nutrient solution is hung in a shady place on the tree trunk. Example 2

[0024] A method for planting trees out of season includes the following steps: S1. Dig planting holes: The diameter of the planting hole should be 12 times the trunk diameter at breast height, and the soil inside the planting hole should be kept moist. S2. Seedling removal: In July, select deciduous trees and evergreen trees. Before digging up the trees, lift the trunks and thin out the branches. Before digging up the deciduous trees, prune them, retain the main branches and remove all the rest. Spray an antitranspirant before digging up the seedlings. S3. Soil improvement: Add organic soil and organic fertilizer to the planting hole, plant the seedling in the planting hole, immediately backfill the soil to 5cm above the soil ball, compact it and support the seedling; the amount of organic fertilizer and organic soil added is 400g / pit. S4. Watering: Immediately after planting, water with rooting solution and then cover with 8cm of soil; the rooting solution is a mixture of water and rooting agent, with a mass ratio of rooting agent:water = 1:550; water with nutrient solution 7 days later. S5. Nutrient solution delivery: After watering the seedlings with nutrient water, nutrient solution is delivered to the seedlings via intravenous infusion. Figure 2 ); S6. Erect shade netting: The shade netting should be 1.5m above the top of the tree trunk and 1cm away from the edge of the sapling on all sides. Figure 4 ); S7. Maintenance: 15 days after watering with nutrient water, dilute the water-soluble fertilizer 300 times and water it at the base of the transplanted trees to thoroughly saturate the soil around the roots. S8. Spraying antitranspirant: When the average temperature is above 25℃, spray an antitranspirant on the seedlings every 7 days. Figure 3 ).

[0025] Moreover, in step S3, the local soil is sandy soil, and the mass ratio of organic fertilizer to organic soil is 5:1.

[0026] Moreover, in step S4, the nutrient water is microbial fertilizer diluted with 50 times the amount of water and then mixed evenly.

[0027] Furthermore, the specific method for delivering the nutrient solution in step S5 is as follows: (1) Drill an infusion hole at the root collar of the tree, selecting a flat, smooth, and scar-free area; (2), through the infusion hole for seedling to hang needle nutrient solution 15 days, the temperature of the hanging needle nutrient solution is 30 DEG C; (3), after the hanging needle nutrient solution is finished, supplement the hanging note water for 2 days; (4), to infusion to wound treatment, with Songer 400 times liquid to disinfect the wound after the disinfection and sterilization, then use saw grinding ash to fill the hole; (5), in the tree body begins to restore germination 20 days, carry out secondary infusion.

[0028] And, in the step S6, the shading degree of the shading net is 75%.

[0029] And, in the step S4, the time of pouring rooting water and nutrient water is after 15:00; in the step S8, the time of spraying the anti-transpiration agent is after 17:00.

[0030] And, in the steps S2 and S8, the concentration of the anti-transpiration agent is 1:550.

[0031] And, in the step S6, the part of delivering the nutrient solution is 50 cm above the surface of the soil ball.

[0032] And, the way of punching the infusion hole is drilling at an angle of 50 degrees downward; the hanging needle nutrient solution is hung at the shady part of the tree trunk. Example 3

[0033] A method for planting trees in off-season, comprising the following steps: S1, digging planting hole: the diameter of the planting hole is 11 times of the diameter of the trunk, and the soil in the planting hole is kept moist; S2, lifting seedling: in June, selecting evergreen trees, the evergreen trees are lifted before being pruned; the deciduous trees are pruned before lifting, the main branches are kept, and the rest are cut off, and the anti-transpiration agent is sprayed before lifting; S3, soil improvement: adding organic soil and organic fertilizer in the planting hole, planting the seedling in the planting hole, immediately backfilling the soil to 4 cm above the surface of the soil ball, compacting and supporting the seedling; the adding amount of the organic fertilizer and the organic soil is 350 g / pit; S4, watering: immediately watering rooting water after planting, and then covering the soil by 6 cm; the rooting water is a mixture of water and rooting agent, and the mass ratio of the rooting agent to the water is 1:500; watering nutrient water after 6 days; S5, delivering nutrient solution: delivering nutrient solution to the seedling by infusion after watering nutrient water to the seedling; S6, setting shading net: the shading net is higher than the top of the trunk by 1.2 m, and the distance from the four sides of the net to the edge of the seedling is 0.8 cm; S7, maintenance: diluting water-soluble fertilizer by 400 times after watering nutrient water for 12 days, and irrigating the root part of the transplanted tree to make the soil of the root part saturated; S8, spraying anti-transpiration agent: when the average temperature is higher than 25℃, spraying anti-transpiration agent on the seedling every 8 days.

[0034] Moreover, in the step S3, when the local soil is clay, the mass ratio of the organic fertilizer and the organic soil is 3:1.

[0035] Moreover, in the step S4, the nutrient water is the microbial fertilizer diluted by 65 times of water.

[0036] Moreover, in the step S5, the specific method of delivering the nutrient solution is: (1) selecting the flat, smooth and non-scar part to punch the infusion hole at the root neck of the tree body; (2) delivering the nutrient solution for the seedling through the infusion hole for 12 days, and the temperature of the nutrient solution is 25℃; (3) after the delivery of the nutrient solution, supplementing the clear water for 2 days; (4) treating the infusion wound, disinfecting and sterilizing the wound with the Songer 400 times solution, and then filling the hole with the sawdust ash; (5) carrying out the second infusion after the tree body starts to recover the germination for 18 days.

[0037] Moreover, in the step S6, the shading degree of the shading net is 70%.

[0038] Moreover, in the step S4, the time of pouring the rooting water and the nutrient water is before 10:00; and in the step S8, the time of spraying the anti-transpiration agent is after 17:00.

[0039] Moreover, in the steps S2 and S8, the concentration of the anti-transpiration agent is 1:500.

[0040] Moreover, in the step S6, the part of delivering the nutrient solution is 40cm above the surface of the soil ball.

[0041] Moreover, the way of punching the infusion hole is drilling at an angle of 45 degrees downward; and the nutrient solution is hung at the shady part of the tree trunk. Example 4

[0042] This example is the same as example 3 except that the seedling selection is deciduous trees. Comparative Example 1

[0043] This comparative example is the same as example 3 except that the organic soil and the organic fertilizer are not added in the planting hole in the step S3. Comparative Example 2

[0044] This comparative example is the same as example 3 except that the rooting water is replaced by tap water in the step S4. Comparative Example 3

[0045] The comparative example is the same as example 3 except that the rooting water is replaced with tap water in step S4. Comparative example 4

[0046] The comparative example is the same as example 3 except that the water-soluble fertilizer is replaced with tap water in step S7. Comparative example 5

[0047] The comparative example is the same as example 3 except that the antitranspirant is replaced with tap water in step S8. Comparative example 6

[0048] The comparative example is the same as example 3 except that step S5 (no delivery of nutrient solution) is not performed. Comparative example 7

[0049] The comparative example is the same as example 3 except that step S6 (no erection of shading net) is not performed. Comparative example 8

[0050] The comparative example is the same as example 4 except that no organic soil and organic fertilizer are added in the planting hole in step S3. Comparative example 9

[0051] The comparative example is the same as example 4 except that the rooting water is replaced with tap water in step S4. Comparative example 10

[0052] The comparative example is the same as example 4 except that the nutrient water is replaced with tap water in step S4. Comparative example 11

[0053] The comparative example is the same as example 4 except that the water-soluble fertilizer is replaced with tap water in step S7. Comparative example 12

[0054] The comparative example is the same as example 4 except that the antitranspirant is replaced with tap water in step S8. Comparative example 13

[0055] The comparative example is the same as example 4 except that step S5 (no delivery of nutrient solution) is not performed. Comparative example 14

[0056] The comparative example is the same as example 4 except that step S6 (no erection of shading net) is not performed.

[0057] After the seedlings are planted for 30 days, 100 evergreen trees / shade trees are randomly selected from the seedlings of each example and comparative example, and the survival rate of the seedlings is counted, as shown in Tables 1 and 2.

[0058] Table 1 Survival rate of evergreen trees No. Name of seedling Survival rate (%) Example 1 Evergreen tree 99 Example 3 Evergreen tree 100 Comparative Example 1 Evergreen tree 75 Comparative Example 2 Evergreen tree 73 Comparative Example 3 Evergreen tree 76 Comparative Example 4 Evergreen tree 77 Comparative Example 5 Evergreen tree 80 Comparative Example 6 Evergreen tree 68 Comparative Example 7 Evergreen tree 70 Table 2 Survival rate of deciduous trees No. Name of seedling Survival rate (%) Example 2 Deciduous tree 94 Example 4 Deciduous tree 95 Comparative Example 8 Deciduous tree 65 Comparative Example 9 Deciduous tree 68 Comparative Example 10 Deciduous tree 65 Comparative Example 11 Deciduous tree 67 Comparative Example 12 Deciduous tree 72 Comparative Example 13 Deciduous tree 60 Comparative Example 14 Deciduous tree 62 As can be seen from Table 1, Examples 1 and 3, using the technical solution of the present invention, achieved a survival rate of up to 100% for evergreen trees. However, in Comparative Example 1, no organic soil and organic fertilizer were added to the planting hole in step S3; in Comparative Example 2, the rooting water was replaced with tap water in step S4; in Comparative Example 3, the nutrient water was replaced with tap water in step S4; in Comparative Example 4, the water-soluble fertilizer was replaced with tap water in step S7; in Comparative Example 5, the antitranspirant was replaced with tap water in step S8; Comparative Example 6 did not perform step S5 and did not deliver nutrient solution; and Comparative Example 7 did not perform step S6 and did not set up a shade net. The survival rates were 75%, 73%, 76%, 77%, 80%, 68%, and 70%, respectively. Obviously, these results were worse than those of the present invention.

[0059] As can be seen from Table 2, in Examples 2 and 4, using the technical solution of the present invention, the survival rate of deciduous trees can reach up to 95%. However, in Comparative Example 8, no organic soil and organic fertilizer were added to the planting hole in step S3; in Comparative Example 9, the rooting water was replaced with tap water in step S4; in Comparative Example 10, the nutrient water was replaced with tap water in step S4; in Comparative Example 11, the water-soluble fertilizer was replaced with tap water in step S7; in Comparative Example 12, the antitranspirant was replaced with tap water in step S8; in Comparative Example 13, step S5 was not performed and nutrient solution was not delivered; in Comparative Example 14, step S6 was not performed and a shade net was not erected. The survival rates were 65%, 68%, 65%, 67%, 72%, 60%, and 62%, respectively, which are significantly lower than those of the present invention.

[0060] In conclusion, the technical solution adopted in this invention can significantly improve the survival rate of seedlings planted out of season.

[0061] Experimental Section Experiment 1 A method for planting trees out of season includes the following steps: S1. Dig planting holes: The diameter of the planting hole should be 11 times the trunk diameter at breast height, and the soil inside the planting hole should be kept moist. S2. Seedling removal: In June, select evergreen trees. Before digging up evergreen trees, lift the trunk and thin out the branches. Before digging up deciduous trees, prune them, retain the main branches and remove all others. Spray an antitranspirant before digging up the seedlings. S3. Soil improvement: Add organic soil and organic fertilizer to the planting hole, plant the seedling in the planting hole, immediately backfill the soil to 4cm above the surface of the root ball, compact it and support the seedling; the amount of organic fertilizer and organic soil added is 350g / pit. S4, watering: immediately after planting, watering rooting water, then covering the soil 6 cm; the rooting water is a mixture of water and rooting agent, the mass ratio is 1:500; watering nutrient water after 6 days; S5, delivering nutrient solution: after watering nutrient water, deliver nutrient solution to the seedling through infusion; S6, setting up shading net: the shading net is 1.2 m higher than the top of the trunk, and the distance from the edge of the seedling is 0.8 cm; S7, maintenance: after watering nutrient water for 12 days, dilute water-soluble fertilizer 400 times, and irrigate the root of the transplanted tree to make the soil of the root saturated; S8, spraying anti-transpiration agent: when the average temperature is higher than 25℃, spray anti-transpiration agent on the seedling every 8 days.

[0062] Moreover, in step S3, when the local soil is clay, the mass ratio of the organic fertilizer and the organic soil is 3:1.

[0063] Moreover, in step S4, the nutrient water is the microbial fertilizer diluted with 65 times of water.

[0064] Moreover, in step S5, the specific method of delivering nutrient solution is: (1) Select a flat, smooth, and scar-free part of the root neck of the tree to drill a hole for infusion; (2) Deliver nutrient solution to the seedling through the infusion hole for 5, 7, 9, 11, 13, 15, and 17 days, and the temperature of the nutrient solution is 25℃; (3) After the delivery of the nutrient solution is completed, supplement clear water for 2 days; (4) Handle the infusion wound, disinfect and sterilize the wound with Songer 400 times solution, and then fill the hole with sawdust; (5) After the tree starts to recover and sprout for 18 days, perform secondary infusion.

[0065] Moreover, in step S6, the shading degree of the shading net is 70%.

[0066] Moreover, in step S4, the time for watering rooting water and nutrient water is before 10:00; and in step S8, the time for spraying anti-transpiration agent is after 17:00.

[0067] Moreover, in steps S2 and S8, the concentration of the anti-transpiration agent is 1:500.

[0068] Moreover, in step S6, the part for delivering nutrient solution is 40 cm above the surface of the soil ball.

[0069] Moreover, the way of drilling the infusion hole is drilling at a 45-degree angle downward; and the nutrient solution is hung at the shady part of the trunk.

Claims

1. A method for planting trees out of season, characterized in that, Includes the following steps: S1. Dig planting holes: The diameter of the planting hole should be 10-12 times the trunk diameter at breast height, and keep the soil in the planting hole moist. S2. Seedling removal: In June or July, select evergreen or deciduous trees. Before digging up evergreen trees, lift the trunk and thin out the branches; before digging up deciduous trees, prune them, retain the main branches and remove all others; spray an antitranspirant before digging up the seedlings. S3. Soil improvement: Add organic soil and organic fertilizer to the planting hole, plant the seedling in the planting hole, immediately backfill the soil to cover the soil ball by 3-5cm, compact it and support the seedling; the amount of organic fertilizer and organic soil added is 300-400g / pit. S4. Watering: Immediately after planting, water with rooting solution and then cover with 5-8cm of soil; the rooting solution is a mixture of water and rooting agent, and the ratio of rooting agent to water is 1:450-550 by weight; water with nutrient solution 5-7 days later. S5. Nutrient solution delivery: After watering the seedlings with nutrient water, nutrient solution is delivered to the seedlings via infusion. S6. Erect shade netting: The shade netting should be 1-1.5m above the top of the tree trunk and 0.5-1cm away from the edge of the seedlings on all sides; S7. Maintenance: 10-15 days after watering with nutrient water, dilute water-soluble fertilizer 300-500 times and water it at the base of the transplanted trees to thoroughly saturate the soil around the roots. S8. Spray antitranspirant: When the average temperature is above 25℃, spray antitranspirant on the seedlings once every 7-10 days.

2. The method for planting trees out of season as described in claim 1, characterized in that, In step S3, the local soil is clay soil, and the mass ratio of organic fertilizer to organic soil is 3:

1.

3. The method for planting trees out of season as described in claim 1, characterized in that, In step S3, the local soil is sandy soil, and the mass ratio of organic fertilizer to organic soil is 5:

1.

4. The method for planting trees out of season as described in claim 1, characterized in that, In step S4, the nutrient water is microbial fertilizer diluted with 50-80 times water and then mixed evenly.

5. A method for planting trees out of season as described in claim 1, characterized in that, In step S5, the specific method for delivering the nutrient solution is as follows: (1) Drill an infusion hole at the root collar of the tree, selecting a flat, smooth, and scar-free area; (2) Infuse the seedlings with intravenous nutrient solution through the infusion hole for 10-15 days, and the temperature of the intravenous nutrient solution is 20-30℃; (3) After the intravenous nutrient solution is delivered, replenish with clean water for 1-2 days; (4) For the treatment of the infusion wound, disinfect and sterilize the wound with 400 times diluted Songer solution, and then fill the hole with saw ash. (5) After the tree begins to sprout again for 15-20 days, administer a second infusion.

6. The method for planting trees out of season as described in claim 1, characterized in that, In step S6, the shading degree of the shading net is 65%-75%.

7. A method for planting trees out of season as described in claim 1, characterized in that, In step S4, the rooting water and nutrient water are applied before 10:00 and / or after 15:00; in step S8, the antitranspirant is sprayed before 10:00 and / or after 17:

00.

8. A method for planting trees out of season as described in claim 1, characterized in that, In steps S2 and S8, the concentration of the antitranspirant is 1:450-550.

9. A method for planting trees out of season as described in claim 1, characterized in that, In step S6, the nutrient solution is delivered 30-50cm above the surface of the soil ball.

10. A method for planting trees out of season as described in claim 6, characterized in that, The infusion hole is drilled at a downward angle of 40-50 degrees; the nutrient solution is hung in a shady place on the tree trunk.

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