CN114365668A - Planting method for green nursery stock - Google Patents

Abstract

The invention provides a planting method of green seedlings, which comprises seedling raising before transplanting, pre-transplanting treatment, transplanting and post-transplanting treatment. The planting method of the invention has short transplanting time, and the acacia senegal can be transplanted after cuttage seedling culture for 240 plus 250 days in a greenhouse; the survival rate of the transplanted Chinese redbud is high and is 95.5-96.3%; the disease after transplanting is less, the incidence rate of angular leaf spot is 4.85-5.11%, and the incidence rate of soot disease is 5.17-5.33%; after the four-corner support frame is removed in 120-day plus 130 days after transplantation, the wind resistance is strong, the bending strength after planting is high, and the bending strength is 91.8-92.3 Mpa.

Description

Planting method for green nursery stock

Technical Field

The invention relates to a planting method of green nursery stocks, belonging to the technical field of garden planting.

Background

The green seedling is a flower plant used for greening environment, and is generally used for greening all natural environments, living environments and public environments such as landscaping, road greening, park greening, community greening and the like. It can absorb carbon dioxide, release oxygen and purify air; harmful gas and dust can be absorbed to a certain extent, and pollution is reduced; the temperature and the humidity of the air can be adjusted, and the microclimate is improved; it also has the functions of reducing noise, preventing wind and fire, etc. Particularly, the beneficial effect of gardens on psychology and spirit is that the cities with the highest rank of national happiness are not garden cities. The recreation is in gardens with beautiful and quiet scenery, which is helpful to eliminate tension and fatigue caused by long-time work and recover the mental and physical strength.

Cercis chinensis (academic name: Bauhinia variegata L.): deciduous arbors, produced in southern China. The Indian peninsula and the Central and south peninsula are distributed, flowers are beautiful and slightly fragrant, the flowering period is long, the growth is fast, the plants are good ornamental and honey-source plants, the plants are widely cultivated in tropical and subtropical regions, the wood is hard and can be used as agricultural implements, the bark contains tannin, the root bark can be cured by water decoction, the flower buds, the tender leaves and the young fruits can be eaten, the ornamental performance is strong, the plants are suitable for greening garden trees or street trees, but the wind-proof capability is not strong, the southern strong weather is easy to incline, the severe weather even can be pulled up with roots, the survival and the ornamental performance are seriously affected, if the fixing frame is arranged for a long time, the attractiveness is affected, and the workload and the greening cost of greening parts are increased.

In addition, the cultivation of the cercis ocellatus mainly comprises cuttage and grafting, wherein the cuttage method needs to be carried out in a greenhouse for about 1 year to transplant, the transplanting period is long, and if diseases are easy to occur in early transplanting, the survival rate of the cercis ocellatus cannot be ensured.

In conclusion, the existing cercis negundo planting technology has the following defects:

(1) the transplanting period is long, diseases are easy to occur in advance, and the survival rate is low;

(2) after transplanting, the plant is weak in wind resistance, and is easy to incline in strong wind days, so that survival of the plant is influenced, the pressure of greening maintenance is increased, and the greening cost is increased.

Disclosure of Invention

The technical problem to be solved by the invention is to overcome the defects in the prior art, and provide a method for planting green seedlings by applying a protective agent through transplanting, paving a plant fiber buffer ball and other methods, so that the following purposes are achieved:

(1) the transplanting period is short, diseases are not easy to occur in advance during transplanting, and the survival rate is high;

(2) after transplanting, the plant seedling raising.

In order to solve the technical problems, the invention adopts the following technical scheme:

a planting method of green seedlings comprises seedling raising before transplanting, pre-transplanting treatment, transplanting and post-transplanting treatment.

The following is a further improvement of the above technical solution:

and (3) seedling before transplanting, selecting the cercis negundo branches with the diameter of 0.7-1.1cm and the length of 9-13cm and 3-5 nodes, cutting off all the other leaves except 2-3 leaves at the top, inserting the cercis negundo branches into a sand bed for greenhouse cuttage seedling raising, and keeping the ratio of the leaves to be cultured in a range of 8: 00-18: the temperature of 00 ℃ is 22-24 ℃, the temperature of 18:00-8:00 is 17-19 ℃, the seedlings are transferred to soil for culturing 240-year sand for 250 days for transplanting.

Before the pre-treatment of transplanting, all lateral branches are cut to 40-60% of the original lateral branches, semicircular soil balls with the diameter of 65-75cm are reserved at the roots, hollow pipes with the length of 45-55mm and the inner diameter of 4-6mm are inserted into the soil balls, soil is uniformly taken for 25-35 times, a root system protective agent is injected into the soil balls, the injection amount of each soil ball is 15-25g, and water is sprayed to keep the water content of the soil balls to be 20-30%.

The root system protective agent comprises the following components in parts by mass: 4.5-5.5 parts of indolylbutyrate potassium and linolenic acid illite, 2.8-3.2 parts of spirulina polysaccharide, 1.8-2.2 parts of acetylsalicylic acid, 1.8-2.2 parts of compound vitamin and 1100 parts of water 900-;

the compound vitamin comprises the following components in parts by mass: 60.8-1.2 parts of vitamin B, 20.8-1.2 parts of vitamin B and 2.5-3.5 parts of vitamin C.

The preparation method of the illite loaded with the potassium indolebutyrate and the linolenic acid comprises the steps of cleaning the illite, drying the illite at the temperature of 110-130 ℃ to constant weight, crushing the illite to the particle size of 1.8-2.2 mu m, dispersing the illite in deionized water, adding the potassium indolebutyrate and the alpha-linolenic acid, stirring the illite at the temperature of 45-55 ℃ for 50-70min, and assisting 80-120W ultrasound to obtain the illite loaded with the potassium indolebutyrate and the linolenic acid.

The mass ratio of the illite to the deionized water is 1: 40-60;

the mass ratio of the potassium indolebutyrate to the illite is 1: 2.5-3.5;

the mass ratio of the alpha-linolenic acid to the illite is 1: 4-6.

And (3) transplanting, namely digging a semicircular soil pit with the diameter of 85-95cm in a transplanting land for transplanting soil balls, paving plant fiber buffer balls with the thickness of 2.5-3.5cm in the soil pit before the soil balls are placed in the soil pit, paving soil with the thickness of 2.5-3.5cm after the soil balls are placed in the soil pit, filling the soil balls, and arranging a support frame on the trunk.

The preparation method of the plant fiber buffer ball comprises the steps of cleaning and drying grade I perlite with the particle size of 1.2-2mm, heating at the temperature of 420-;

the particle size of the plant fiber buffer ball is 3-4mm, and the water content is 10-14%;

the mass ratio of the expanded perlite to the deionized water is 1: 70-90;

the mixture comprises the following components in parts by mass: 2.5-3.5 parts of urea, 1.8-2.2 parts of potassium sulfate and 1.8-2.2 parts of calcium superphosphate;

the mass ratio of the mixture to the expanded perlite is 2.5-3.5: 1;

the slurry comprises the following components in parts by mass: 2.5-3.5 parts of palm bran, 1.8-2.2 parts of starch and 8-12 parts of deionized water;

the mass ratio of the slurry to the modified expanded perlite particles is 10-14: 1.

and (4) carrying out treatment after transplanting, and removing the support frame 120-130 days after transplanting.

Compared with the prior art, the invention has the following beneficial effects:

the planting method of the invention has short transplanting time, and the acacia senegal can be transplanted after cuttage seedling culture for 240 plus 250 days in a greenhouse;

according to the planting method, the survival rate of the transplanted cercis ocellatus is high and is 95.5-96.3%;

according to the planting method, the diseases are few after the cercis ocellatus is transplanted, the incidence rate of angular leaf spot is 4.85-5.11%, and the incidence rate of soot diseases is 5.17-5.33%;

according to the planting method, after the four-corner support frame is removed in 120-day and 130-day days after the cercis ocellatus is transplanted, the wind resistance is strong, the bending strength is high after planting, and the bending strength is 91.8-92.3 Mpa;

according to the planting method, after the four-corner support frame is removed in 130 days after the cercis ocellatus is transplanted for 120 times, the wind resistance is strong, and under the condition that the wind speed is 17.0m/s, the number of the inclined trunk plants accounts for 8.5-9.2% of the total number of the plants;

according to the planting method, after the four-corner support frame is removed in 120-day 130 days after the cercis ocellatus is transplanted, the wind resistance is strong, the inclination angle of the inclined trunk is 13-23 degrees under the condition of the wind speed of 17.0m/s, and the normal growth can be realized after the upright support frame is righted.

Detailed Description

Example 1

(1) Growing seedlings before transplanting

Selecting annual Chinese redbud plants in March, selecting plants with good growth vigor, luxuriant branches and leaves and strong branches, selecting branches with diameter of 0.8-1cm and length of 10-12cm and with 4-5 nodes, cutting off all the other leaves except 2-3 leaves at the top, inserting the branches into a sand bed for greenhouse cuttage seedling culture, and keeping the ratio of the leaves to the leaves in the seedling culture period of 8: 00-18: the temperature of 00 is 23 ℃, the temperature of 18:00-8:00 is 18 ℃, watering and nutrient substance application are kept during the period, callus grows out in 9 days, 47 days of roots germinate, and then the roots are moved to soil for normal cultivation for 240 days to be transplanted.

(2) Pre-treatment before transplantation

Selecting and growing seedlings of cercis ocellatus with trunk diameter larger than 8cm for pre-treatment before transplanting, cutting all lateral branches to 50% of the original length, smearing lanolin on the cut surfaces, digging out roots with soil, wrapping the roots with semicircular soil balls with diameter of 70cm, inserting hollow steel pipes with length of 50mm and inner diameter of 5mm into the soil balls, taking out certain soil, uniformly distributing and taking 30 times respectively, avoiding damaging the epidermis of the roots when taking out the soil, injecting a root system protective agent into the soil balls by using a 1.6mm needle injector after taking out the soil, wherein the injection amount of each soil ball is 20g, spraying water to keep the water content of the soil balls to be 25%, and finally binding the soil balls by using hemp ropes;

the root system protective agent comprises the following components in parts by mass: 5 parts of indolylbutyrate and linolenic acid-loaded illite, 3 parts of spirulina polysaccharide, 2 parts of acetylsalicylic acid, 2 parts of compound vitamin and 1000 parts of water;

the preparation method of the root system protective agent comprises the steps of uniformly mixing potassium indolebutyrate, illite linolenic acid, spirulina polysaccharide, acetylsalicylic acid, compound vitamin and water to obtain the root system protective agent;

the compound vitamin comprises the following components in parts by mass: 61 parts of vitamin B, 21 parts of vitamin B and 3 parts of vitamin C;

according to the preparation method of the illite loaded with the potassium indolebutyrate and the linolenic acid, the illite is dried to constant weight at 120 ℃ after being cleaned, is crushed to have the particle size of 2 mu m, is dispersed in deionized water, is added with the potassium indolebutyrate and the alpha-linolenic acid, is stirred for 60min at 50 ℃, and is assisted with 100W ultrasound, so that the illite loaded with the potassium indolebutyrate and the linolenic acid is obtained;

the mass ratio of the illite to the deionized water is 1: 50;

the mass ratio of the potassium indolebutyrate to the illite is 1: 3;

the mass ratio of the alpha-linolenic acid to the illite is 1: 5.

(3) Transplanting

Digging a semicircular soil pit with the diameter of 90cm in a transplanting land for transplanting soil balls, paving 3 cm-thick plant fiber buffer balls in the soil pit before the soil balls are placed in the soil pit, paving 3 cm-thick soil outside the plant fiber buffer balls, finally placing the soil balls in the soil pit, filling soil in gaps and compacting properly, and arranging a four-corner support frame on a trunk;

the preparation method of the plant fiber buffer ball comprises the steps of cleaning and drying grade I perlite with the particle size of 1.5mm, putting the grade I perlite into a muffle furnace, heating the grade I perlite at 450 ℃ for 150min, naturally cooling the grade I perlite to obtain expanded perlite, dispersing the expanded perlite into deionized water, adding a mixture of urea, potassium sulfate and calcium superphosphate, stirring the mixture at a high speed of 1500r/min at 45 ℃ for 60min, filtering the mixture to obtain modified expanded perlite particles for later use, crushing palm bran to the length of 0.2mm, dispersing the palm bran into the deionized water, adding starch, stirring the mixture at 50 ℃ for 20min to obtain slurry, putting the modified expanded perlite particles into a fluidized bed, spraying the slurry on the modified expanded perlite particles, and drying the slurry to obtain the plant fiber buffer ball;

the particle size of the plant fiber buffer ball is 3.5mm, and the water content is 12%;

the mass ratio of the expanded perlite to the deionized water is 1: 80;

the mixture comprises the following components in parts by mass: 3 parts of urea, 2 parts of potassium sulfate and 2 parts of calcium superphosphate;

the mass ratio of the mixture to the expanded perlite is 3: 1;

the slurry comprises the following components in parts by mass: 3 parts of palm bran, 2 parts of starch and 10 parts of deionized water;

the mass ratio of the slurry to the modified expanded perlite particles is 12: 1.

(4) post-transplant treatment

And (4) carrying out normal water and fertilizer management after transplanting, and removing the four-corner support frame 120 days after transplanting.

The planting method of the embodiment 1 is short in transplanting time, and the acacia senegal can be transplanted after cuttage seedling culture for 240 days in a greenhouse;

the planting method of the embodiment 1 has high survival rate of the acacia mearnsii after transplantation, and the survival rate is 96.3 percent;

the planting method of the embodiment 1 has the advantages that the diseases are few after the cercis ocellata is transplanted, the incidence rate of angular leaf spot is 4.85 percent, and the incidence rate of soot diseases is 5.33 percent;

the planting method of the embodiment 1, after the four-corner support frame is removed 120 days after the cercis ocellatus is transplanted, the wind resistance is strong, the bending strength after planting is high, and the bending strength is 92.3 Mpa;

the planting method of the embodiment 1, after removing the four-corner support frames 120 days after the cercis ocellatus is transplanted, the wind resistance is strong, and the number of the inclined trunk plants accounts for 8.5 percent of the total number of the plants under the condition of the wind speed of 17.0 m/s;

in the planting method of the embodiment 1, after the four-corner support frame is removed 120 days after the cercis ocellatus is transplanted, the wind resistance is strong, the inclination angle of the inclined trunk is 13-21 degrees under the condition of the wind speed of 17.0m/s, and the normal growth can be realized after the upright support frame is righted.

Example 2

(1) Growing seedlings before transplanting

In March, selecting annual purple bramble plants, selecting plants with good growth vigor, luxuriant branches and leaves and strong branches, selecting branches with diameter of 0.7-0.9cm and length of 9-11cm and 3-4 nodes, cutting off all the other leaves except 2-3 leaves at the top, inserting the branches into a sand bed for greenhouse cuttage seedling culture, and keeping the ratio of the leaves to the leaves in the seedling culture period to be 8: 00-18: 00 at 22 ℃ and 18:00-8:00 at 17 ℃, watering and nutrient substance application are kept during the period, callus grows out in 10 days, roots germinate in 48 days, and then the callus is transferred to soil for normal cultivation for 250 days to be transplanted.

(2) Pre-treatment before transplantation

Selecting and growing seedlings of cercis ocellatus with trunk diameter more than 7cm, carrying out pre-transplanting treatment, cutting all lateral branches to 40% of the original length, smearing wool fat on the cut surfaces, digging out roots with soil, wrapping the roots with semicircular soil balls with diameter of 65cm, simultaneously inserting hollow steel pipes with length of 45mm and inner diameter of 4mm into the soil balls, taking out certain soil, uniformly distributing and taking 25 times respectively, avoiding damaging the epidermis of the roots when taking out the soil, injecting a root system protective agent into the soil balls by using a 1.6mm needle head injector after taking out the soil, wherein the injection amount of each soil ball is 15g, spraying water to keep the water content of the soil balls to be 20%, and finally binding the soil balls by using a hemp rope;

the root system protective agent comprises the following components in parts by mass: 4.5 parts of indolylbutyrate potassium and linolenic acid illite, 2.8 parts of spirulina polysaccharide, 1.8 parts of acetylsalicylic acid, 1.8 parts of compound vitamin and 900 parts of water;

the preparation method of the root system protective agent comprises the steps of uniformly mixing potassium indolebutyrate, illite linolenic acid, spirulina polysaccharide, acetylsalicylic acid, compound vitamin and water to obtain the root system protective agent;

the compound vitamin comprises the following components in parts by mass: 60.8 parts of vitamin B, 20.8 parts of vitamin B and 2.5 parts of vitamin C;

according to the preparation method of the illite loaded with the potassium indolebutyrate and the linolenic acid, the illite is dried to constant weight at 110 ℃, crushed to a particle size of 1.8 mu m, dispersed in deionized water, added with the potassium indolebutyrate and the alpha-linolenic acid, stirred for 70min at 45 ℃, and assisted with 80W ultrasound to obtain the illite loaded with the potassium indolebutyrate and the linolenic acid;

the mass ratio of the illite to the deionized water is 1: 40;

the mass ratio of the potassium indolebutyrate to the illite is 1: 2.5;

the mass ratio of the alpha-linolenic acid to the illite is 1: 4.

(3) Transplanting

Digging a semicircular soil pit with the diameter of 85cm in a transplanting land for transplanting soil balls, paving 2.5 cm-thick plant fiber buffer balls in the soil pit before the soil balls are placed in the soil pit, paving 2.5 cm-thick soil outside the plant fiber buffer balls, finally placing the soil balls in the soil pit, filling soil in gaps and compacting properly, and arranging a four-corner support frame on a trunk;

the preparation method of the plant fiber buffer ball comprises the steps of cleaning and drying grade I perlite with the particle size of 1.2mm, putting the grade I perlite into a muffle furnace, heating the heated mixture for 180min at the temperature of 420 ℃, naturally cooling the heated mixture to obtain expanded perlite, dispersing the expanded perlite into deionized water, adding a mixture of urea, potassium sulfate and calcium superphosphate, stirring the mixture at the high speed of 1200r/min at the temperature of 40 ℃ for 80min, filtering the mixture to obtain modified expanded perlite particles for later use, crushing palm bran to the length of 0.15mm, dispersing the palm bran into the deionized water, adding starch, stirring the mixture at the temperature of 45 ℃ for 25min to obtain slurry, putting the modified expanded perlite particles into a fluidized bed, spraying the slurry on the modified expanded perlite particles, and drying the slurry to obtain the plant fiber buffer ball;

the particle size of the plant fiber buffer ball is 3mm, and the water content is 10%;

the mass ratio of the expanded perlite to the deionized water is 1: 70;

the mixture comprises the following components in parts by mass: 2.5 parts of urea, 1.8 parts of potassium sulfate and 1.8 parts of calcium superphosphate;

the mass ratio of the mixture to the expanded perlite is 2.5: 1;

the slurry comprises the following components in parts by mass: 2.5 parts of palm bran, 1.8 parts of starch and 8 parts of deionized water;

the mass ratio of the slurry to the modified expanded perlite particles is 10: 1.

(4) post-transplant treatment

And (4) carrying out normal water and fertilizer management after transplanting, and removing the four-corner support frame 130 days after transplanting.

The planting method of the embodiment 2 is short in transplanting time, and after the acacia senegal is planted by cutting and seedling raising, the acacia senegal can be transplanted by greenhouse culture for 250 days;

the planting method of the embodiment 2 has high survival rate of the acacia mearnsii after transplantation, and the survival rate is 95.9 percent;

the planting method of the embodiment 2 has the advantages that the diseases are few after the cercis ocellata is transplanted, the incidence rate of angular leaf spot is 4.97%, and the incidence rate of soot diseases is 5.21%;

the planting method of the embodiment 2, after the four-corner support frame is removed 120 days after the cercis ocellatus is transplanted, the wind resistance is strong, the bending strength after planting is high, and the bending strength is 92.1 Mpa;

the planting method of the embodiment 2, after removing the four-corner support frames 120 days after the cercis ocellatus is transplanted, the wind resistance is strong, and the number of the inclined trunk plants accounts for 9.2% of the total number of the plants under the condition of the wind speed of 17.0 m/s;

in the planting method of the embodiment 2, after the four-corner support frame is removed 120 days after the cercis ocellatus is transplanted, the wind resistance is strong, the inclination angle of the inclined trunk is 14-23 degrees under the condition of the wind speed of 17.0m/s, and the normal growth can be realized after the upright support frame is righted.

Example 3

(1) Growing seedlings before transplanting

Selecting annual Chinese redbud plants in March, selecting plants with good growth vigor, luxuriant branches and leaves and strong branches, selecting branches with diameter of 0.9-1.1cm and length of 11-13cm and with 4-5 nodes, cutting off all the other leaves except 2-3 leaves at the top, inserting the branches into a sand bed for greenhouse cuttage seedling culture, and keeping the ratio of the leaves to the leaves in the seedling culture period to be 8: 00-18: 00 ℃ at 24 ℃ and 18:00-8:00 ℃ at 19 ℃, watering and nutrient substance application are kept during the period, callus grows out in 9 days, 47 days of roots germinate, and then the roots are moved to soil for normal cultivation for 250 days to be transplanted.

(2) Pre-treatment before transplantation

Selecting and growing seedlings of cercis ocellatus with trunk diameter larger than 9cm for pre-treatment before transplanting, cutting all lateral branches to 60% of the original length, smearing lanolin on the cut surfaces, digging out roots with soil, wrapping the roots with semicircular soil balls with diameter of 75cm, simultaneously inserting hollow steel pipes with length of 55mm and inner diameter of 6mm into the soil balls, taking out certain soil, uniformly distributing and taking 35 times respectively, avoiding hurting the epidermis of the roots when taking the soil, injecting a root system protective agent into the soil balls by using a 1.6mm needle injector after taking the soil, wherein the injection amount of each soil ball is 25g, spraying water to keep the water content of the soil balls at 30%, and finally binding the soil balls by using hemp ropes;

the root system protective agent comprises the following components in parts by mass: 5.5 parts of indolylbutyrate and linolenic acid illite, 3.2 parts of spirulina polysaccharide, 2.2 parts of acetylsalicylic acid, 2.2 parts of compound vitamin and 1100 parts of water;

the preparation method of the root system protective agent comprises the steps of uniformly mixing potassium indolebutyrate, illite linolenic acid, spirulina polysaccharide, acetylsalicylic acid, compound vitamin and water to obtain the root system protective agent;

the compound vitamin comprises the following components in parts by mass: 61.2 parts of vitamin B, 21.2 parts of vitamin B and 3.5 parts of vitamin C;

according to the preparation method of the illite loaded with the potassium indolebutyrate and the linolenic acid, the illite is dried to constant weight at 130 ℃ after being cleaned, is crushed to have the particle size of 2.2 mu m, is dispersed in deionized water, is added with the potassium indolebutyrate and the alpha-linolenic acid, is stirred for 50min at 55 ℃, and is assisted with 120W ultrasound, so that the illite loaded with the potassium indolebutyrate and the linolenic acid is obtained;

the mass ratio of the illite to the deionized water is 1: 60;

the mass ratio of the potassium indolebutyrate to the illite is 1: 3.5;

the mass ratio of the alpha-linolenic acid to the illite is 1: 6.

(3) Transplanting

Digging a semicircular soil pit with the diameter of 95cm in a transplanting land for transplanting soil balls, paving 3.5 cm-thick plant fiber buffer balls in the soil pit before the soil balls are placed in the soil pit, paving 3.5 cm-thick soil outside the plant fiber buffer balls, finally placing the soil balls in the soil pit, filling soil in gaps and compacting properly, and arranging a four-corner support frame on a trunk;

the preparation method of the plant fiber buffer ball comprises the steps of cleaning and drying grade I perlite with the particle size of 2mm, placing the grade I perlite into a muffle furnace to be heated for 120min at 470 ℃, naturally cooling the perlite to obtain expanded perlite, dispersing the expanded perlite into deionized water, adding a mixture of urea, potassium sulfate and calcium superphosphate, stirring at a high speed of 1700r/min at 50 ℃ for 40min, filtering to obtain modified expanded perlite particles for later use, crushing palm bran to the length of 0.25mm, dispersing the palm bran into the deionized water, adding starch, stirring at 55 ℃ for 15min to obtain slurry, placing the modified expanded perlite particles into a fluidized bed, spraying the slurry on the modified expanded perlite particles, and drying to obtain the plant fiber buffer ball;

the particle size of the plant fiber buffer ball is 4mm, and the water content is 14%;

the mass ratio of the expanded perlite to the deionized water is 1: 90;

the mixture comprises the following components in parts by mass: 3.5 parts of urea, 2.2 parts of potassium sulfate and 2.2 parts of calcium superphosphate;

the mass ratio of the mixture to the expanded perlite is 3.5: 1;

the slurry comprises the following components in parts by mass: 3.5 parts of palm bran, 2.2 parts of starch and 12 parts of deionized water;

the mass ratio of the slurry to the modified expanded perlite particles is 14: 1.

(4) post-transplant treatment

And (4) carrying out normal water and fertilizer management after transplanting, and removing the four-corner support frame 120 days after transplanting.

The planting method of the embodiment 3 is short in transplanting time, and after the acacia senegal is planted by cutting and seedling raising, the acacia senegal can be transplanted by greenhouse culture for 250 days;

the planting method of the embodiment 3 has high survival rate of 95.5 percent after the cercis chinensis is transplanted;

the planting method of the embodiment 3 has the advantages that the diseases are few after the cercis ocellata is transplanted, the incidence rate of angular leaf spot is 5.11 percent, and the incidence rate of soot diseases is 5.17 percent;

the planting method of the embodiment 3, after the four-corner support frame is removed 120 days after the cercis ocellatus is transplanted, the wind resistance is strong, the bending strength after planting is high, and the bending strength is 91.8 Mpa;

the planting method of the embodiment 3, after removing the four-corner support frames 120 days after the cercis ocellatus is transplanted, the wind resistance is strong, and the number of the inclined trunk plants accounts for 8.7 percent of the total number of the plants under the condition of the wind speed of 17.0 m/s;

in the planting method of the embodiment 3, after the four-corner support frame is removed 120 days after the cercis ocellatus is transplanted, the wind resistance is strong, the inclination angle of the inclined trunk is 15-22 degrees under the condition of the wind speed of 17.0m/s, and the normal growth can be realized after the upright support frame is righted.

Claims (10)

1. A planting method of green seedlings is characterized by comprising seedling raising before transplanting, pre-transplanting treatment, transplanting and post-transplanting treatment.

2. A green seedling planting method according to claim 1, characterized in that:

the seedling is cultured before transplanting, the cuttage seedling of the cercis negundo is cultured, and the seedling period is kept at 8: 00-18: the temperature of 00 ℃ is 22-24 ℃, the temperature of 18:00-8:00 is 17-19 ℃, the seedlings are transferred to soil for culturing 240-year sand for 250 days for transplanting.

3. A green seedling planting method according to claim 1, characterized in that:

before the pre-transplanting treatment, all lateral branches are cut to 40-60% of the original lateral branches, semicircular soil balls with the diameter of 65-75cm are reserved at the roots, hollow pipes with the length of 45-55mm and the inner diameter of 4-6mm are inserted into the soil balls, soil is uniformly taken for 25-35 times, and a root system protective agent is injected into the soil balls, wherein the injection amount of each soil ball is 15-25 g.

4. A green seedling planting method according to claim 3, characterized in that:

the root system protective agent comprises the following components in parts by mass: 4.5-5.5 parts of indolylbutyrate potassium and linolenic acid illite, 2.8-3.2 parts of spirulina polysaccharide, 1.8-2.2 parts of acetylsalicylic acid, 1.8-2.2 parts of compound vitamin and 1100 parts of water 900-;

the compound vitamin comprises the following components in parts by mass: 60.8-1.2 parts of vitamin B, 20.8-1.2 parts of vitamin B and 2.5-3.5 parts of vitamin C.

5. A green seedling planting method according to claim 4, characterized in that:

according to the preparation method of the illite loaded with the indole potassium butyrate and the linolenic acid, the illite is crushed to the particle size of 1.8-2.2 mu m, dispersed in deionized water, added with the indole potassium butyrate and the alpha-linolenic acid, stirred for 50-70min at the temperature of 45-55 ℃, and assisted with 80-120W ultrasound, so that the illite loaded with the indole potassium butyrate and the linolenic acid is obtained.

6. A green seedling planting method according to claim 5, characterized in that:

the mass ratio of the illite to the deionized water is 1: 40-60;

the mass ratio of the potassium indolebutyrate to the illite is 1: 2.5-3.5;

the mass ratio of the alpha-linolenic acid to the illite is 1: 4-6.

7. A green seedling planting method according to claim 1, characterized in that:

and (3) transplanting, namely digging a semicircular soil pit with the diameter of 85-95cm in a transplanting land for transplanting soil balls, paving plant fiber buffer balls with the thickness of 2.5-3.5cm in the soil pit before the soil balls are placed in the soil pit, paving soil with the thickness of 2.5-3.5cm after the soil balls are placed in the soil pit, filling the soil balls, and arranging a support frame on the trunk.

8. The green seedling planting method according to claim 7, characterized in that:

the preparation method of the plant fiber buffer ball comprises the steps of cleaning and drying grade I perlite with the particle size of 1.2-2mm, heating at the temperature of 420-470 ℃ for 120-180min, cooling to obtain expanded perlite, dispersing the expanded perlite in deionized water, adding a mixture of urea, potassium sulfate and calcium superphosphate, stirring at the temperature of 40-50 ℃ for 40-80min, filtering to obtain modified expanded perlite particles for later use, crushing palm bran to the length of 0.15-0.25mm, dispersing in deionized water, adding starch, stirring at the temperature of 45-55 ℃ for 15-25min to obtain slurry, placing the modified expanded perlite particles in a fluidized bed, spraying the slurry on the modified expanded perlite particles, and drying to obtain the plant fiber buffer ball.

9. The planting method of green seedlings according to claim 8, characterized in that:

the particle size of the plant fiber buffer ball is 3-4mm, and the water content is 10-14%;

the mass ratio of the expanded perlite to the deionized water is 1: 70-90;

the mixture comprises the following components in parts by mass: 2.5-3.5 parts of urea, 1.8-2.2 parts of potassium sulfate and 1.8-2.2 parts of calcium superphosphate;

the mass ratio of the mixture to the expanded perlite is 2.5-3.5: 1;

the slurry comprises the following components in parts by mass: 2.5-3.5 parts of palm bran, 1.8-2.2 parts of starch and 8-12 parts of deionized water;

the mass ratio of the slurry to the modified expanded perlite particles is 10-14: 1.

10. a green seedling planting method according to claim 1, characterized in that:

and (4) carrying out treatment after transplanting, and removing the support frame 120-130 days after transplanting.