CN114175958A - Planting method of prune seedlings - Google Patents
Planting method of prune seedlings Download PDFInfo
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- CN114175958A CN114175958A CN202111353269.4A CN202111353269A CN114175958A CN 114175958 A CN114175958 A CN 114175958A CN 202111353269 A CN202111353269 A CN 202111353269A CN 114175958 A CN114175958 A CN 114175958A
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- 244000141353 Prunus domestica Species 0.000 title claims abstract description 86
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000002689 soil Substances 0.000 claims abstract description 83
- 241000196324 Embryophyta Species 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 235000015097 nutrients Nutrition 0.000 claims abstract description 24
- 230000004083 survival effect Effects 0.000 claims abstract description 18
- 238000012360 testing method Methods 0.000 claims abstract description 16
- 238000003973 irrigation Methods 0.000 claims abstract description 9
- 230000002262 irrigation Effects 0.000 claims abstract description 9
- 238000007493 shaping process Methods 0.000 claims abstract description 9
- 238000012544 monitoring process Methods 0.000 claims abstract description 6
- 241000238631 Hexapoda Species 0.000 claims description 20
- 241000607479 Yersinia pestis Species 0.000 claims description 20
- 238000009966 trimming Methods 0.000 claims description 18
- 238000005507 spraying Methods 0.000 claims description 12
- 238000013461 design Methods 0.000 claims description 8
- 201000010099 disease Diseases 0.000 claims description 8
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims description 8
- 239000004575 stone Substances 0.000 claims description 8
- 241000894007 species Species 0.000 claims description 6
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 4
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 4
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- 230000032683 aging Effects 0.000 claims description 4
- 238000009395 breeding Methods 0.000 claims description 4
- 230000001488 breeding effect Effects 0.000 claims description 4
- 239000011449 brick Substances 0.000 claims description 4
- 239000004566 building material Substances 0.000 claims description 4
- 239000004568 cement Substances 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 230000006378 damage Effects 0.000 claims description 4
- 230000008020 evaporation Effects 0.000 claims description 4
- 238000001704 evaporation Methods 0.000 claims description 4
- 208000014674 injury Diseases 0.000 claims description 4
- 239000004571 lime Substances 0.000 claims description 4
- 239000000618 nitrogen fertilizer Substances 0.000 claims description 4
- 230000036544 posture Effects 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 4
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 4
- 231100000674 Phytotoxicity Toxicity 0.000 claims description 2
- 230000036561 sun exposure Effects 0.000 claims description 2
- 239000005416 organic matter Substances 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract 1
- 238000009412 basement excavation Methods 0.000 description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000003337 fertilizer Substances 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 210000003739 neck Anatomy 0.000 description 3
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- 238000005516 engineering process Methods 0.000 description 2
- 235000016709 nutrition Nutrition 0.000 description 2
- 230000035764 nutrition Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
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- 235000009508 confectionery Nutrition 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000002420 orchard Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- SWGJCIMEBVHMTA-UHFFFAOYSA-K trisodium;6-oxido-4-sulfo-5-[(4-sulfonatonaphthalen-1-yl)diazenyl]naphthalene-2-sulfonate Chemical compound [Na+].[Na+].[Na+].C1=CC=C2C(N=NC3=C4C(=CC(=CC4=CC=C3O)S([O-])(=O)=O)S([O-])(=O)=O)=CC=C(S([O-])(=O)=O)C2=C1 SWGJCIMEBVHMTA-UHFFFAOYSA-K 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
Abstract
The invention discloses a planting method of prune seedlings, which comprises the following steps: step one, selecting planting time; step two, shaping planting soil; step three, digging holes; step four, soil treatment: filling nutrient soil with the thickness of about 20cm into the tree pits; secondly, drawing a moisture test card from the interior of the tree pit, and monitoring the water content of the soil in the tree pit in real time; drawing a pH test card from the inside of the tree pit to monitor the pH value of the soil inside the tree pit in real time; step five, planting prune seedlings; step six, irrigation and drainage; seventhly, maintaining the prune seedlings. According to the invention, a pH test card is pulled from the interior of the pit, the pH value of soil in the pit is monitored in real time, the survival rate of the nursery stock can be obviously improved, the growth condition of plants can be enhanced, the organic matter content of the soil can be improved by improving the physical and chemical properties of the soil, the temperature and the humidity of the soil can be adjusted, the water and nutrient elements can be improved, the survival rate of the nursery stock can be effectively improved, and the growth condition of the plants can be enhanced.
Description
Technical Field
The invention relates to forestry planting, in particular to a planting method of prune seedlings.
Background
The prune is fragrant and sweet, has excellent quality, oval appearance, blue black, purple red and other colors on the surface of the prune, and white fruit powder is covered on the surface of the prune, so the prune is popular in places and is very popular for planting the prune in China.
However, in the method for building the prune orchard, a weak acid area with a deep soil layer, rich organic matter content and a soil pH value of 5.5-7.5 needs to be selected, the pH value is not controlled and detected in soil treatment of the prune nursery stock planting area in many places, only the adjustment is carried out during planting, the effect is not good in the later period, and the growth condition of the prune nursery stock is influenced, so that the improvement is needed.
Disclosure of Invention
The invention aims to provide a planting method of prune seedlings, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a planting method of prune seedlings comprises the following steps:
step one, planting time selection: selecting prune seedlings to adapt to the optimal time, ensuring the survival rate, and selecting the weather of being cloudy, rainless, sunny and windless as possible during planting;
step two, shaping planting soil: firstly, measuring the area, calculating the seed consumption, then removing sundries, stones, dead branches of plants and building materials in a field, thoroughly removing perennial weeds, and adding surface soil in places with poor soil conditions;
step three, digging holes: when digging, the selected point is marked as the circle center, the circle is drawn by the radius of the pit and is clearly marked by lime, the circle range is dug, then deep digging is continued, and the pit wall is straightened until the bottom of the pit while digging, so that the tree pit is vertical up and down;
step four, soil treatment:
filling nutrient soil with the thickness of about 20cm into the tree pits;
secondly, drawing a moisture test card from the interior of the tree pit, and monitoring the water content of the soil in the tree pit in real time;
drawing a pH test card from the inside of the tree pit to monitor the pH value of the soil inside the tree pit in real time;
step five, planting prune seedlings:
selecting prune seedlings: firstly, the prune seedlings with the same specification come from the same supply point and breeding batch as much as possible, so that the specification and the shape of the prune seedlings are unified, and meanwhile, the sufficient stock is ensured in quantity; secondly, the specification and the size of the selected prune seedlings meet the design requirements or are slightly wider than the specification of the prune seedlings required by the design, so that the greening one-step forming is realized; thirdly, all prune seedlings entering the field grow robustly, have beautiful tree postures, complete tree crowns, evenly distributed main lateral branches, and are provided with qualified mud balls, so that the prune seedlings are ensured to be free of injury, disease, residue, insect and aging;
secondly, branch thinning and crown shrinking: under the premise of ensuring the specification and the beautiful shape of the crown, trimming the inner overlapped branches, the inner branches, the parallel branches and the overground branches of the crown to reduce the water evaporation, trimming the inner overlapped branches, the inner branches, the parallel branches and the overground branches of the crown and reducing the crown to be one half to one third of the original crown;
③ transplanting the prune seedlings: before seedling lifting, picking off all prune seedlings with fast leaf emergence, removing 2/5 leaves from evergreen trees, not trimming branches and trunks, backfilling 10-25cm of nutrient soil when the prune seedlings are planted, lightly placing the trees into the prepared tree holes, righting the trunks, returning the nutrient soil to one half of the trunks, and trimming binding and shading yarns.
Step six, irrigation and drainage:
firstly, planting the survival trees, irrigating properly and keeping effective moisture in soil;
secondly, the requirements on moisture and air temperature are high, and irrigation needs to be carried out in the early morning or at the evening;
accumulated water around trees after rainstorm should be removed, and accumulated water around newly planted trees should be removed as soon as possible so as to avoid affecting root respiration;
seventhly, maintaining the prune seedlings:
the method comprises the following steps of (1) when the weather is cold, the soil is frozen, and the open-air trees are in a dormant state:
shaping and trimming: the operation is pruned in the plastic of overall expansion, the prevention and cure insect pest: in winter, the pest insects of garden trees are eliminated, pupae and early cocoons are dug in loose soil under the trees, pest bags on the branches are scraped, and branches with excessive pest insects eating the branches are cut off and burnt;
secondly, the weather is warm, and the trees grow vigorously:
watering: the trees are subjected to branch drawing, leaf spreading and full growth, water is needed in large quantity, watering is carried out in time, watering is combined, quick-acting nitrogen fertilizer is applied, or foliage spraying is carried out according to needs, and plant diseases and insect pests are prevented and treated.
As a further scheme of the invention: during excavation, building garbage, broken stone bricks or cement at the bottom of the tree pit are thoroughly removed by deep excavation, so that the tree pit is permeable to water and air.
As a further scheme of the invention: and (4) determining dead tree species, removing in time, and after removal, performing additional planting on the original plant root soil after sun exposure for one week.
As a further scheme of the invention: the replanting arbor needs to be padded with nutrient soil with the thickness of 5cm at the root, and the prune seedling rooting agent is applied to the root for planting.
As a further scheme of the invention: and regularly observing the moist condition of the roots, and if the roots are found to be waterlogged, pumping water in time.
As a further scheme of the invention: when the quick-acting nitrogen fertilizer is applied, a small-scale test is firstly carried out, and then large-area spraying is carried out.
As a further scheme of the invention: the time of spraying is controlled before 10 am and after 4 pm so as to avoid phytotoxicity.
As a further scheme of the invention: and fifthly, tamping the nutrient soil by using a tamping bar while adding and tamping, wherein the final planting standard is that the neck of the prune seedling is slightly higher than the ground level by 4-8 cm. And returning soil and tamping each plant for three times.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, a pH test card is pulled from a tree pit, the pH value of soil in the tree pit is monitored in real time, the improvement can obviously improve the survival rate of seedlings and enhance the growth condition of plants, the seedling maintenance and the seedling maintenance are important means for ensuring the healthy and strong growth of the seedlings and improving the survival rate of the seedlings and the ornamental effect of the plants, and nutrition, moisture and pH value are important for soil management, so that the organic matter content of the soil is improved, the temperature and humidity of the soil are adjusted, the moisture and nutrient elements are improved, the survival rate of the seedlings is effectively improved, and the growth condition of the plants is enhanced.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Example 1
Planted under conditions that handle sudden pH:
a planting method of prune seedlings comprises the following steps:
step one, planting time selection: selecting prune seedlings to adapt to the optimal time, ensuring the survival rate, and selecting the weather of being cloudy, rainless, sunny and windless as possible during planting;
step two, shaping planting soil: firstly, measuring the area, calculating the seed consumption, then removing sundries, stones, dead branches of plants and building materials in a field, thoroughly removing perennial weeds, and adding surface soil in places with poor soil conditions;
step three, digging holes: during excavation, the selected point is marked as the circle center, a circle is drawn by the radius of the pit and is clearly marked by lime, the circle is excavated, then deep excavation is continued, the pit wall is straightened while the pit is excavated until the pit bottom, so that the pit is vertical up and down, and during excavation, the building rubbish, broken stone bricks or cement at the bottom of the pit are thoroughly removed by deep excavation, so that the pit is permeable to water and air;
step four, soil treatment:
filling nutrient soil with the thickness of about 20cm into the tree pits;
secondly, drawing a moisture test card from the interior of the tree pit, and monitoring the water content of the soil in the tree pit in real time;
drawing a pH test card from the inside of the tree pit to monitor the pH value of the soil inside the tree pit in real time;
step five, planting prune seedlings:
selecting prune seedlings: firstly, the prune seedlings with the same specification come from the same supply point and breeding batch as much as possible, so that the specification and the shape of the prune seedlings are unified, and meanwhile, the sufficient stock is ensured in quantity; secondly, the specification and the size of the selected prune seedlings meet the design requirements or are slightly wider than the specification of the prune seedlings required by the design, so that the greening one-step forming is realized; thirdly, all prune seedlings entering the field grow robustly, have beautiful tree postures, complete tree crowns, evenly distributed main lateral branches, and are provided with qualified mud balls, so that the prune seedlings are ensured to be free of injury, disease, residue, insect and aging;
secondly, branch thinning and crown shrinking: under the premise of ensuring the specification and the beautiful shape of the crown, trimming the inner overlapped branches, the inner branches, the parallel branches and the overground branches of the crown to reduce the water evaporation, trimming the inner overlapped branches, the inner branches, the parallel branches and the overground branches of the crown and reducing the crown to be one half to one third of the original crown;
③ transplanting the prune seedlings: before seedling lifting, picking off all prune seedlings with fast leaf emergence, removing 2/5 leaves from evergreen trees, not trimming branches and trunks, backfilling 10-25cm of nutrient soil when the prune seedlings are planted, then lightly placing the trees into a prepared tree pit, righting the trunks, returning the nutrient soil to one half of the trunks after righting, cutting off binding and shading yarns, tamping the nutrient soil while adding edges by using a tamping bar, and finally planting the prune seedlings with the root necks slightly higher than the ground level by 4-8 cm. And returning soil and tamping each plant for three times.
Step six, irrigation and drainage:
firstly, planting surviving trees, irrigating properly, keeping effective moisture in soil, regularly observing the moist condition of roots, and pumping water in time if the roots are waterlogged;
secondly, the requirements on moisture and air temperature are high, and irrigation needs to be carried out in the early morning or at the evening;
accumulated water around trees after rainstorm should be removed, and accumulated water around newly planted trees should be removed as soon as possible so as to avoid affecting root respiration;
seventhly, maintaining the prune seedlings:
the method comprises the following steps of (1) when the weather is cold, the soil is frozen, and the open-air trees are in a dormant state:
shaping and trimming: the operation is pruned in the plastic of overall expansion, the prevention and cure insect pest: in winter, the pest insects of garden trees are eliminated, pupae and early cocoons are dug in loose soil under the trees, pest bags on the branches are scraped, and branches with excessive pest insects eating the branches are cut off and burnt;
secondly, the weather is warm, and the trees grow vigorously:
watering: the method is characterized in that trees are branched, the leaves are spread in the full period, water is needed in large quantity, watering is needed in time, watering is combined, quick-acting nitrogen fertilizers are applied, or foliage spraying is conducted according to needs, when the quick-acting nitrogen fertilizers are applied, small-scale tests are conducted firstly, then large-area spraying is conducted, and the time of spraying is controlled before 10 am and after 4 pm so as to avoid chemical injury and prevent and control plant diseases and insect pests.
And thirdly, determining dead tree species, removing the tree species in time, performing additional planting after the original plant root soil after being removed is exposed to the sun for one week, padding nutrient soil with the thickness of 5cm on the root of the additional planting tree, and planting the additional planting tree after applying the prune seedling rooting agent to the root.
Example 2
Planted without treatment for sudden pH:
a planting method of prune seedlings comprises the following steps:
step one, planting time selection: selecting prune seedlings to adapt to the optimal time, ensuring the survival rate, and selecting the weather of being cloudy, rainless, sunny and windless as possible during planting;
step two, shaping planting soil: firstly, measuring the area, calculating the seed consumption, then removing sundries, stones, dead branches of plants and building materials in a field, thoroughly removing perennial weeds, and adding surface soil in places with poor soil conditions;
step three, digging holes: during excavation, the selected point is marked as the circle center, a circle is drawn by the radius of the pit and is clearly marked by lime, the circle is excavated, then deep excavation is continued, the pit wall is straightened while the pit is excavated until the pit bottom, so that the pit is vertical up and down, and during excavation, the building rubbish, broken stone bricks or cement at the bottom of the pit are thoroughly removed by deep excavation, so that the pit is permeable to water and air;
step four, soil treatment:
filling nutrient soil with the thickness of about 20cm into the tree pits;
secondly, drawing a moisture test card from the interior of the tree pit, and monitoring the water content of the soil in the tree pit in real time;
step five, planting prune seedlings:
selecting prune seedlings: firstly, the prune seedlings with the same specification come from the same supply point and breeding batch as much as possible, so that the specification and the shape of the prune seedlings are unified, and meanwhile, the sufficient stock is ensured in quantity; secondly, the specification and the size of the selected prune seedlings meet the design requirements or are slightly wider than the specification of the prune seedlings required by the design, so that the greening one-step forming is realized; thirdly, all prune seedlings entering the field grow robustly, have beautiful tree postures, complete tree crowns, evenly distributed main lateral branches, and are provided with qualified mud balls, so that the prune seedlings are ensured to be free of injury, disease, residue, insect and aging;
secondly, branch thinning and crown shrinking: under the premise of ensuring the specification and the beautiful shape of the crown, trimming the inner overlapped branches, the inner branches, the parallel branches and the overground branches of the crown to reduce the water evaporation, trimming the inner overlapped branches, the inner branches, the parallel branches and the overground branches of the crown and reducing the crown to be one half to one third of the original crown;
③ transplanting the prune seedlings: before seedling lifting, picking off all prune seedlings with fast leaf emergence, removing 2/5 leaves from evergreen trees, not trimming branches and trunks, backfilling 10-25cm of nutrient soil when the prune seedlings are planted, then lightly placing the trees into a prepared tree pit, righting the trunks, returning the nutrient soil to one half of the trunks after righting, cutting off binding and shading yarns, tamping the nutrient soil while adding edges by using a tamping bar, and finally planting the prune seedlings with the root necks slightly higher than the ground level by 4-8 cm. And returning soil and tamping each plant for three times.
Step six, irrigation and drainage:
firstly, planting surviving trees, irrigating properly, keeping effective moisture in soil, regularly observing the moist condition of roots, and pumping water in time if the roots are waterlogged;
secondly, the requirements on moisture and air temperature are high, and irrigation needs to be carried out in the early morning or at the evening;
accumulated water around trees after rainstorm should be removed, and accumulated water around newly planted trees should be removed as soon as possible so as to avoid affecting root respiration;
seventhly, maintaining the prune seedlings:
the method comprises the following steps of (1) when the weather is cold, the soil is frozen, and the open-air trees are in a dormant state:
shaping and trimming: the operation is pruned in the plastic of overall expansion, the prevention and cure insect pest: in winter, the pest insects of garden trees are eliminated, pupae and early cocoons are dug in loose soil under the trees, pest bags on the branches are scraped, and branches with excessive pest insects eating the branches are cut off and burnt;
secondly, the weather is warm, and the trees grow vigorously:
watering: the method is characterized in that trees are branched, the leaves are spread in the full period, water is needed in large quantity, watering is needed in time, watering is combined, quick-acting nitrogen fertilizers are applied, or foliage spraying is conducted according to needs, when the quick-acting nitrogen fertilizers are applied, small-scale tests are conducted firstly, then large-area spraying is conducted, and the time of spraying is controlled before 10 am and after 4 pm so as to avoid chemical injury and prevent and control plant diseases and insect pests.
And thirdly, determining dead tree species, removing the tree species in time, performing additional planting after the original plant root soil after being removed is exposed to the sun for one week, padding nutrient soil with the thickness of 5cm on the root of the additional planting tree, and planting the additional planting tree after applying the prune seedling rooting agent to the root.
The planting method of the embodiment 1 and the embodiment 2 is respectively used for selecting 100 nursery stocks from two parks, the pH value is adjusted by real-time monitoring in the embodiment 1, the pH value is not treated in the embodiment 2, the survival condition and the growth condition of the nursery stocks in the comparative embodiment 1 and the embodiment 2 are shown, and the statistical data are as follows:
compared with the survival quantity and the growth condition in the embodiment 1 and the embodiment 2, the method can clearly see that the nursery stock maintenance is an important means for ensuring the vigorous growth of the nursery stock, improving the survival rate of the nursery stock and the ornamental effect of the plant, and the improvement of the planting technology of the nursery stock can obviously improve the survival rate of the nursery stock and enhance the growth condition of the plant. According to the invention, a pH test card is pulled from a tree pit, the pH value of soil in the tree pit is monitored in real time, the improvement can obviously improve the survival rate of seedlings and enhance the growth condition of plants, the seedling maintenance and the seedling maintenance are important means for ensuring the healthy and strong growth of the seedlings and improving the survival rate of the seedlings and the ornamental effect of the plants, and nutrition, moisture and pH value are important for soil management, so that the organic matter content of the soil is improved, the temperature and humidity of the soil are adjusted, the moisture and nutrient elements are improved, the survival rate of the seedlings is effectively improved, and the growth condition of the plants is enhanced.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (8)
1. A planting method of prune seedlings is characterized by comprising the following steps:
step one, planting time selection: selecting prune seedlings to adapt to the optimal time, ensuring the survival rate, and selecting the weather of being cloudy, rainless, sunny and windless as possible during planting;
step two, shaping planting soil: firstly, measuring the area, calculating the seed consumption, then removing sundries, stones, dead branches of plants and building materials in a field, thoroughly removing perennial weeds, and adding surface soil in places with poor soil conditions;
step three, digging holes: when digging, the selected point is marked as the circle center, the circle is drawn by the radius of the pit and is clearly marked by lime, the circle range is dug, then deep digging is continued, and the pit wall is straightened until the bottom of the pit while digging, so that the tree pit is vertical up and down;
step four, soil treatment:
filling nutrient soil with the thickness of about 20cm into the tree pits;
secondly, drawing a moisture test card from the interior of the tree pit, and monitoring the water content of the soil in the tree pit in real time;
drawing a pH test card from the inside of the tree pit to monitor the pH value of the soil inside the tree pit in real time;
step five, planting prune seedlings:
selecting prune seedlings: firstly, the prune seedlings with the same specification come from the same supply point and breeding batch as much as possible, so that the specification and the shape of the prune seedlings are unified, and meanwhile, the sufficient stock is ensured in quantity; secondly, the specification and the size of the selected prune seedlings meet the design requirements or are slightly wider than the specification of the prune seedlings required by the design, so that the greening one-step forming is realized; thirdly, all prune seedlings entering the field grow robustly, have beautiful tree postures, complete tree crowns, evenly distributed main lateral branches, and are provided with qualified mud balls, so that the prune seedlings are ensured to be free of injury, disease, residue, insect and aging;
secondly, branch thinning and crown shrinking: under the premise of ensuring the specification and the beautiful shape of the crown, trimming the inner overlapped branches, the inner branches, the parallel branches and the overground branches of the crown to reduce the water evaporation, trimming the inner overlapped branches, the inner branches, the parallel branches and the overground branches of the crown and reducing the crown to be one half to one third of the original crown;
③ transplanting the prune seedlings: before seedling lifting, picking off all prune seedlings with fast leaf emergence, removing 2/5 leaves from evergreen trees, not trimming branches and trunks, backfilling 10-25cm of nutrient soil when the prune seedlings are planted, lightly placing the trees into the prepared tree holes, righting the trunks, returning the nutrient soil to one half of the trunks, and trimming binding and shading yarns;
step six, irrigation and drainage:
firstly, planting the survival trees, irrigating properly and keeping effective moisture in soil;
secondly, the requirements on moisture and air temperature are high, and irrigation needs to be carried out in the early morning or at the evening;
accumulated water around trees after rainstorm should be removed, and accumulated water around newly planted trees should be removed as soon as possible so as to avoid affecting root respiration;
seventhly, maintaining the prune seedlings:
the method comprises the following steps of (1) when the weather is cold, the soil is frozen, and the open-air trees are in a dormant state:
shaping and trimming: the operation is pruned in the plastic of overall expansion, the prevention and cure insect pest: in winter, the pest insects of garden trees are eliminated, pupae and early cocoons are dug in loose soil under the trees, pest bags on the branches are scraped, and branches with excessive pest insects eating the branches are cut off and burnt;
secondly, the weather is warm, and the trees grow vigorously:
watering: the trees are subjected to branch drawing, leaf spreading and full growth, water is needed in large quantity, watering is carried out in time, watering is combined, quick-acting nitrogen fertilizer is applied, or foliage spraying is carried out according to needs, and plant diseases and insect pests are prevented and treated.
2. The planting method of prune seedlings according to claim 1, wherein in the third step, when digging, building garbage, broken stone bricks or cement at the bottom of the pit are thoroughly removed by deep digging, so that the pit is permeable to water and air.
3. The method for planting prune seedlings according to claim 1, wherein in step seven, dead tree species are determined and removed in time, and the original plant root soil after removal needs to be subjected to sun exposure for one week and then replanted.
4. The method for planting prune seedlings according to claim 3, wherein the replanting trees need to be padded with 5cm thick nutrient soil at the roots, and the prune seedlings are planted after applying a rooting agent to the roots.
5. The method for planting prune seedlings according to claim 1, wherein in step seven, the moisture condition of the roots is regularly observed, such as finding out waterlogging of the roots and pumping water in time.
6. The planting method of prune seedlings according to claim 1, wherein in step seven, when the quick-acting nitrogen fertilizer is applied, a small-scale test is firstly carried out, and then a large-area spraying is carried out.
7. The method for planting prune seedlings according to claim 6, wherein the time of spraying is controlled before 10 am and after 4 pm so as not to cause phytotoxicity.
8. The planting method of prune seedlings according to claim 1, wherein in step five, the nutrient soil is tamped by a tamping bar while adding, and the final planting standard is that the neck of the prune seedling is slightly higher than the ground level by 4-8 cm. And returning soil and tamping each plant for three times.
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