阅读说明：本技术 一种沙棘育苗方法 (Sea-buckthorn seedling growing method ) 是由 闫春鸣 周玉丽 闫强 强韦清 穆好华 于 2021-07-30 设计创作，主要内容包括：本发明公开了一种沙棘育苗方法。属于植物栽培技术领域。包括以下步骤：选择优良采穗母树,于当年种子成熟后采集果实；将果实除去果肉,将种子晾干待用；播种前用0.5％高锰酸钾液消毒,催芽处理；催芽后的种子进行点播。本发明保护和恢复生态发展,有效增加地温、保墒保湿、避免土地板结,改善了种子发芽生长的微环境,增强了抗逆性,极大提高了种子发芽率,还可有效抑制杂草。同时亩用种量节约40％,点播后再覆沙,精细化管理程度较高,出苗率达98％以上,取得了良好的社会生态效益和经济效益。(The invention discloses a sea-buckthorn seedling growing method. Belongs to the technical field of plant cultivation. The method comprises the following steps: selecting a good scion stock tree, and collecting fruits after seeds are mature in the current year; removing pulp from the fruits, and air-drying the seeds for later use; sterilizing with 0.5% potassium permanganate solution before sowing, and performing germination accelerating treatment; and (5) dibbling the seeds after the germination acceleration. The invention protects and restores ecological development, effectively increases ground temperature, preserves soil moisture and moisture, avoids land hardening, improves the microenvironment of seed germination and growth, enhances stress resistance, greatly improves seed germination rate, and can effectively inhibit weeds. Meanwhile, the seed consumption per mu is saved by 40 percent, sand is covered after dibbling, the fine management degree is higher, the emergence rate reaches more than 98 percent, and good social and ecological benefits and economic benefits are obtained.)

1. A sea-buckthorn seedling growing method is characterized by comprising the following steps:

(1) selecting a good scion stock tree, and collecting fruits after seeds are mature in the current year;

(2) removing pulp from the fruits, and air-drying the seeds for later use;

(3) before sowing, sterilizing by using a potassium permanganate solution with the mass concentration of 0.45-0.55%, and accelerating germination;

(4) and (4) dibbling the seeds subjected to pregermination in the step (3).

2. A sea buckthorn seedling raising method according to claim 1, wherein the sterilization time in the step (3) is 1.5-2.5 hours.

3. The method for raising seedlings of sea buckthorn according to claim 1, wherein the step (4) further comprises soil preparation before dibbling:

1) applying decomposed organic fertilizer in the first year, and carrying out deep ploughing for 30-40 cm;

2) and (3) applying 23-27 kg of compound fertilizer before sowing in spring of the next year, and carrying out shallow ploughing for 15-20 cm.

4. A sea buckthorn seedling raising method according to claim 3, further comprising a rising bed covering film after soil preparation, wherein the height of the rising bed is 11-13 cm, and the bed spacing is 30-40 cm.

5. The method for raising seedlings of sea buckthorn according to claim 1, wherein the time of dibbling in the step (4) is 4 ten days; and (5) mechanically laminating and punching by adopting a laminating and punching machine.

6. A sea buckthorn seedling raising method according to claim 1, wherein the row spacing of the dibbles in the step (4) is 8cm x 10cm, the hole depth is 1-1.5 cm, 18-20 seeds are dibbled in holes, the seeding amount per mu is 13-15 kg, and the seeds are covered with fine sand 1.5-2.5 cm after being sowed.

7. The method for raising seedlings of sea buckthorn according to claim 1, further comprising the step (5) of managing after seeding: after the first irrigation, periodically irrigating for 5-6 times until 9 middle ten days.

8. A sea buckthorn seedling raising method according to claim 7, further comprising weeding 5-6 times a year.

9. The method for raising seedlings of sea buckthorn according to claim 7, further comprising fertilizing: and (3) spreading 14-16 kg of urea per mu in 7-9 months.

10. A seedling raising method for sea buckthorn according to claim 7, further comprising pest control, wherein when seedlings are discharged, the control is carried out at 4-8 leaf stage; the control is carried out once every 14-16 days for 6-7 months, and the control is carried out for 2-4 times.

Technical Field

The invention relates to the technical field of plant cultivation, in particular to a sea-buckthorn seedling method.

Background

Hippophae belongs to Elaeagnaceae, and is shrub or small tree of male and female heterozygote. The sea-buckthorn has strong adaptability, cold and wind sand resistance, drought and high temperature resistance, fast growth and strong sprout tillering property with developed root system, is an excellent tree species for maintaining water and soil, preventing wind and fixing sand and improving soil and a main afforestation pioneer tree species in arid areas, and has high development and utilization values of fruits, leaves and seeds. Since the cultivation and forest returning engineering is implemented in Shandan county of Zhangye City in 2002, 30 more than ten thousand mu of cultivation and forest returning mainly based on seabuckthorn is completed, seabuckthorn seedlings required by the engineering are mainly adjusted from the outside of the fields of inner Mongolia, Qinghai and the like, and fewer seabuckthorn seedlings are outplanted in county. Sea-buckthorn seedling work experiments are carried out in all forest farms and seedling raising units in Shandan county, seedlings are raised by adopting various methods such as broadcasting and covering sand, high-bed drilling and covering sand, covering wheat straw and the like, but seedlings are irregular in emergence, 4-6 leaves of seedlings die seriously due to damping off, and water is required to be sprayed in the morning and evening every day in the seedling stage after emergence, so that the labor amount is large, and the seedling emergence amount per mu is small.

The sea-buckthorn seedling raising work is stopped once because of poor benefit. In order to solve the problem of low survival rate of conventional sea-buckthorn seedlings in production, a sea-buckthorn seedling test is continuously carried out in twenty-castle bases of mechanical forest farms in 2009-2010 for two years. The research on the sea-buckthorn mulching dibbling seedling raising technology is developed.

Therefore, how to provide a sea-buckthorn seedling method, which saves cost, improves the emergence rate and breeding strength of sea-buckthorn and promotes the healthy and sustainable development of the sea-buckthorn industry is a problem to be solved urgently by technical personnel in the field.

Disclosure of Invention

In view of the above, the invention provides a sea buckthorn seedling growing method. After the 0.5% potassium permanganate solution is adopted for disinfection for 2 hours, then germination accelerating treatment is carried out, and seeding can be carried out when 30-40% of seeds crack mouths, so that the seeding survival rate of the sea buckthorn in the arid region is improved, the large-scale breeding of nursery stocks is carried out, and a technical guarantee is provided for the development of the sea buckthorn industry in the arid region.

In order to achieve the purpose, the invention adopts the following technical scheme:

a sea-buckthorn seedling growing method comprises the following steps:

(1) selecting a good scion stock tree, and collecting fruits after seeds are mature in the current year;

(2) removing pulp from the fruits, and air-drying the seeds for later use;

(3) before sowing, sterilizing by using a potassium permanganate solution with the mass concentration of 0.45-0.55%, and accelerating germination;

(4) and (4) dibbling the seeds subjected to pregermination in the step (3).

Furthermore, the excellent standards are that plants are strong, no plant diseases and insect pests exist, and the growth vigor is good.

The standard of maturity is that the seeds are orange red in 8-9 months in the year.

The fruit is collected by adopting a sickle or a pruning shear, and small branches attached with the fruit are sheared without shearing big branches, so that the sea buckthorn resource is prevented from being damaged.

The specific steps for removing the pulp are as follows: beating the fruit with a stick to make the fruit fall off, collecting, grinding the fruit with a mill, soaking in clear water for 1 day and night, kneading to remove peel and pulp, and washing with clear water.

And (5) storing the aired seeds in a ventilated and dry place for airing.

And when 30-40% of seeds crack mouths, ending the germination acceleration.

Preferably: the disinfection time in the step (3) is 1.5-2.5 hours.

Preferably: step (4) before dibbling, soil preparation is also included:

1) applying decomposed organic fertilizer in the first year, and carrying out deep ploughing for 30-40 cm;

2) and (3) applying 23-27 kg of compound fertilizer before sowing in spring of the next year, and carrying out shallow ploughing for 15-20 cm.

Preferably: after soil preparation, the land preparation machine further comprises a rising bed covering film, the height of a rising bed is 11-13 cm, and the distance between beds is 30-40 cm.

Furthermore, before fertilizing in the first year and after shallow ploughing in the second year, the land needs to be raked and ground to be flat.

Preferably: the time of the on-demand in the step (4) is ten days of 4 months; and (5) mechanically laminating and punching by adopting a laminating and punching machine.

Further: (ii) a The color of the coating film is white or black.

Preferably: the row spacing of the plants dibbled in the step (4) is 8cm multiplied by 10cm, the hole depth is 1-1.5 cm, 18-20 seeds are dibbled in holes, the seeding rate per mu is 13-15 kg, and fine sand is covered by 1.5-2.5 cm after sowing.

Has the advantages that: the sea-buckthorn seeds are sown in a large row spacing and wide sowing width mode, the seeds are uniformly sown in the sowing width mode, fine sandy soil is covered on the seeds, slight suppression is conducted, and the seeds are promoted to come out 5-7 days after most of the seedlings are sown in spring.

Preferably: further comprising the step (5) of managing after broadcasting: after the first irrigation, periodically irrigating for 5-6 times until 9 middle ten days.

Has the advantages that: keeping the soil moist.

Preferably: and weeding is also carried out for 5-6 times all the year round.

Preferably: further comprises fertilization: and (3) spreading 14-16 kg of urea per mu in 7-9 months.

Further, fertilization is carried out before irrigation.

Preferably: further comprising pest control, wherein when seedlings are grown out, the control is carried out in the 4-8 leaf stage; the control is carried out once every 14-16 days for 6-7 months, and the control is carried out for 2-4 times.

According to the technical scheme, compared with the prior art, the sea-buckthorn seedling raising method has the advantages that the sea-buckthorn seedling raising method has the technical effects that the ecological development is protected and restored, the ground temperature can be effectively increased, the soil moisture and the moisture are preserved, the land hardening is avoided, the microenvironment for the germination and the growth of seeds is improved, the stress resistance is enhanced, the capability of the seeds in resisting adverse environments such as strong wind, low temperature and low air humidity is improved, the germination rate of the seeds is greatly improved, and weeds can be effectively inhibited. Meanwhile, seeds are saved, the seed quantity per mu is saved by 40% compared with the conventional broadcast sowing and seedling raising, sand is covered after dibbling, the fine management degree is higher, the emergence rate reaches more than 98%, and good social and ecological benefits and economic benefits are obtained.

Detailed Description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The embodiment of the invention discloses a sea buckthorn seedling raising method.

Example 1

A sea-buckthorn seedling growing method comprises the following steps:

1. collecting seeds

Selecting good single plants in good producing areas as scion stock trees (good standard is that plants are strong, have no plant diseases and insect pests and have good growth vigor), and collecting fruits after seeds in the current year are mature (the collected fruits adopt sickles or pruning shears, small branches with fruits are cut, and large branches are not cut so as to prevent the sea buckthorn resources from being damaged; the mature standard is that the seeds in 8 months in the current year are orange red).

Removing pulp of fructus Hippophae seed (knocking fruit with stick to make fruit fall off, collecting, grinding with roller, soaking in clear water for 1 day and night, kneading to remove peel and pulp, washing with clear water), removing impurities, and air drying (at this time, the seed is brown, the purity is at least 98%, and the thousand-grain weight is 10 g).

And storing the aired seeds in a ventilated and dry place for later use.

2. Seed treatment

After disinfection (1.5 hours) with 0.45% potassium permanganate solution (mass concentration), germination was performed (when 30% of seeds had split mouths, germination was terminated).

3. Soil preparation

Harrowing and grinding the land to be flat, applying 4 parts of decomposed organic fertilizer (chicken manure or sheep manure) per mu, and deeply ploughing by 30 cm; before sowing in spring of the next year, applying compound fertilizer (such as diammonium phosphate, 23 kg per mu) for shallow ploughing by 15cm, and harrowing and grinding to level; when land preparation is carried out, grass roots and stones are removed, and ground flattening and soil breaking are achieved; when the sea-buckthorn seeds germinate, the seedlings have weak soil-bearing capacity, and the fine land preparation is particularly important. After soil preparation, the bed is raised and covered with the mulching film, the bed height is 11cm, and the bed distance is 30 cm.

Before selecting nursery lands, local disease, pest and weed conditions are investigated to avoid the lands or take corresponding measures. Plots with severe deep rooted weeds are not suitable for nursery plots.

4. Seeding

According to the climatic conditions (in Shandan county) and the biological characteristics of tree species, spring sowing is mainly performed, the best sowing time is in the last ten days of 4 months (when the ground temperature of 5cm of soil is stabilized above 5 ℃), a film covering and punching machine is adopted to mechanically cover a film and punch the hole, and then manual dibbling is performed. The row spacing of the plants is 8cm multiplied by 10cm, the hole depth is 1cm, 18-20 seeds are dibbled in the holes, and the seeding rate per mu is 13 kg.

5. Covering sand

After sowing, covering fine sand (soil) 1.5cm on the dibbling hole and the film, wherein the sand covering needs to be careful and the thickness is proper.

6. Post-broadcast management

(1) And (3) irrigation:

after sowing, water is irrigated for 1 time (later irrigation is irrigated in time according to soil moisture content).

(2) Managing in a seedling stage;

the soil should be kept moist for one and a half months after sowing. According to the characteristics of soil climate, irrigation should be based on the principle of 'less irrigation and frequent irrigation' especially in the seedling stage. The irrigation is generally stopped every 20 days (depending on the soil moisture content) until 9 middle months.

Irrigating for 5 times all the year, wherein the irrigation from the 2 nd time to the 4 th time requires frequent irrigation and less irrigation, accumulated water must be drained in time after irrigation, and the seedlings are prevented from being soaked and dead under the high-temperature condition.

(3) Weeding:

after irrigation, the soil is loosened and weeded in time so as to reduce evaporation of water and avoid soil hardening and cracking. The artificial weeding is adopted, and the weeding must be controlled in time, namely 'removing early, removing small and removing', and the nursery stock is not carried out when the weeding is carried out. Weeding is carried out for 5 times all the year without thinning.

(4) Fertilizing:

according to the growth cycle of the nursery stock, particularly in the fast growing period, fertilizer and water management is enhanced, irrigation is combined, 15kg of urea is broadcast and applied to each mu in 7 months, and irrigation is performed immediately after application.

(5) Pest control

In the 4-leaf stage after the emergence of the sea buckthorn seedlings, when the temperature rises in 6 months, the symptoms such as withering, root rot and the like easily appear, and the symptoms are mainly manifested as yellow leaves, starting from the initial development of the leaves and extending to the whole plant. After pulling out the yellow seedlings, the root systems are found to turn brown and wither, and the occurrence area is large. The prevention is mainly performed in the disease prevention process, when seedlings are full, the seedlings are comprehensively prevented once, and the prevention is performed by spraying (ethylicin, root rot agent and Liqing) bactericide and insecticide. 4-8 leaves are used as key periods, and timely observation is needed for prevention and treatment. The disease is controlled every 15 days for 6 months. After 2 times of prevention and treatment, the diseased plants are improved. The effect is better when the liquid fertilizer is sprayed.

Example 2

A sea-buckthorn seedling growing method comprises the following steps:

1. collecting seeds

Selecting good single plants in good producing areas as scion stock trees (good standard is that plants are strong, have no plant diseases and insect pests and have good growth vigor), and collecting fruits after seeds in the current year are mature (the collected fruits adopt sickles or pruning shears, small branches with fruits are cut, and large branches are not cut so as to prevent the sea buckthorn resources from being damaged; the mature standard is that the seeds in 8 months in the current year are orange red).

Removing pulp of fructus Hippophae seed (knocking fruit with stick to make fruit fall off, collecting, grinding with roller, soaking in clear water for 1 day and night, kneading to remove peel and pulp, washing with clear water), removing impurities, and air drying (at this time, the seed is brown, the purity is at least 98%, and the thousand-grain weight is 10 g).

And storing the aired seeds in a ventilated and dry place for later use.

2. Seed treatment

After disinfection (2 hours) with 0.5% potassium permanganate solution (mass concentration), germination was carried out (when 35% of seeds had cracked mouths, germination was terminated).

3. Soil preparation

Harrowing and grinding the land to be flat, applying 4 parts of decomposed organic fertilizer (chicken manure or sheep manure) per mu, and deeply ploughing by 35 cm; before sowing in spring of the next year, applying compound fertilizer (such as diammonium phosphate, 25 kilograms per mu) for shallow ploughing by 18cm, and harrowing and grinding to level; when land preparation is carried out, grass roots and stones are removed, and ground flattening and soil breaking are achieved; when the sea-buckthorn seeds germinate, the seedlings have weak soil-bearing capacity, and the fine land preparation is particularly important. After soil preparation, the bed is raised and covered with the mulching film, the height of the bed is 12cm, and the distance between beds is 35 cm.

Before selecting nursery lands, local disease, pest and weed conditions are investigated to avoid the lands or take corresponding measures. Plots with severe deep rooted weeds are not suitable for nursery plots.

4. Seeding

According to the climatic conditions (in Shandan county) and the biological characteristics of tree species, spring sowing is mainly performed, the best sowing time is 4 months and the last ten days (when the soil temperature is 5cm and is stabilized above 6 ℃), a film covering and punching machine is adopted to mechanically cover a film and punch the hole, and then manual dibbling is performed. The row spacing of the plants is 8cm multiplied by 10cm, the hole depth is 1.2cm, 18-20 seeds are dibbled in the holes, and the seeding rate per mu is 14 kg.

5. Covering sand

After sowing, covering fine sand (soil) 2cm on the dibbling holes and the film, wherein the sand covering needs to be careful and has proper thickness.

6. Post-broadcast management

(1) And (3) irrigation:

after sowing, water is irrigated for 1 time (later irrigation is irrigated in time according to soil moisture content).

(2) Managing in a seedling stage;

the soil should be kept moist for one and a half months after sowing. According to the characteristics of soil climate, irrigation should be based on the principle of 'less irrigation and frequent irrigation' especially in the seedling stage. The irrigation is generally stopped every 20 days (depending on the soil moisture content) until 9 middle months.

Irrigating for 6 times all the year, wherein the water irrigation from the 2 nd time to the 4 th time requires frequent irrigation and less irrigation, accumulated water must be drained in time after irrigation, and the seedlings are prevented from being soaked and dead under the high-temperature condition.

(3) Weeding:

after irrigation, the soil is loosened and weeded in time so as to reduce evaporation of water and avoid soil hardening and cracking. The artificial weeding is adopted, and the weeding must be controlled in time, namely 'removing early, removing small and removing', and the nursery stock is not carried out when the weeding is carried out. Weeding is carried out for 6 times all the year without thinning.

(4) Fertilizing:

according to the growth cycle of the nursery stock, particularly in the fast growing period, fertilizer and water management is enhanced, irrigation is combined, 15kg of urea is broadcast and applied to each mu in 8 months, and irrigation is performed immediately after application.

(5) Pest control

In the 4-leaf stage after the emergence of the sea buckthorn seedlings, when the temperature rises in 6 months, the symptoms such as withering, root rot and the like easily appear, and the symptoms are mainly manifested as yellow leaves, starting from the initial development of the leaves and extending to the whole plant. After pulling out the yellow seedlings, the root systems are found to turn brown and wither, and the occurrence area is large. The prevention is mainly performed in the disease prevention process, when seedlings are full, the seedlings are comprehensively prevented once, and the prevention is performed by spraying (ethylicin, root rot agent and Liqing) bactericide and insecticide. 4-8 leaves are used as key periods, and timely observation is needed for prevention and treatment. The control is carried out once every 15 days for 6-7 months. After 3 times of prevention and treatment, the diseased plants are improved. The effect is better when the liquid fertilizer is sprayed.

Example 3

A sea-buckthorn seedling growing method comprises the following steps:

1. collecting seeds

Selecting good single plants in good producing areas as scion stock trees (good standard is that plants are strong, have no plant diseases and insect pests and have good growth vigor), and collecting fruits after seeds in the current year are mature (the collected fruits adopt sickles or pruning shears, small branches with fruits are cut, and large branches are not cut so as to prevent the sea buckthorn resources from being damaged; the mature standard is that the seeds in 9 months in the current year are orange red).

Removing pulp of fructus Hippophae seed (knocking fruit with stick to make fruit fall off, collecting, grinding with roller, soaking in clear water for 1 day and night, kneading to remove peel and pulp, washing with clear water), removing impurities, and air drying (at this time, the seed is brown, the purity is at least 98%, and the thousand-grain weight is 10 g).

And storing the aired seeds in a ventilated and dry place for later use.

2. Seed treatment

After sterilization (2.5 hours) with 0.55% potassium permanganate solution (mass concentration), germination was performed (when 40% of seeds had split mouths, germination was terminated).

3. Soil preparation

Harrowing and grinding the land to be flat, applying 4 parts of decomposed organic fertilizer (chicken manure or sheep manure) per mu, and deeply ploughing by 40 cm; before sowing in spring of the next year, applying compound fertilizer (such as diammonium phosphate, 27 kilograms per mu) for shallow ploughing by 20cm, and harrowing and grinding to level; when land preparation is carried out, grass roots and stones are removed, and ground flattening and soil breaking are achieved; when the sea-buckthorn seeds germinate, the seedlings have weak soil-bearing capacity, and the fine land preparation is particularly important. After soil preparation, the bed is raised and covered with the mulching film, the bed height is 13cm, and the bed distance is 40 cm.

Before selecting nursery lands, local disease, pest and weed conditions are investigated to avoid the lands or take corresponding measures. Plots with severe deep rooted weeds are not suitable for nursery plots.

4. Seeding

According to the climatic conditions (in Shandan county) and the biological characteristics of tree species, spring sowing is mainly performed, the best sowing time is in the last ten days of 4 months (when the ground temperature of 5cm of soil is stabilized above 5 ℃), a film covering and punching machine is adopted to mechanically cover a film and punch the hole, and then manual dibbling is performed. The row spacing of the plants is 8cm multiplied by 10cm, the hole depth is 1.5cm, 18-20 seeds are dibbled in the holes, and the seeding rate per mu is 15 kg.

5. Covering sand

After sowing, covering fine sand (soil) 2.5cm on the dibbling hole and the film, wherein the sand covering needs to be careful and the thickness is proper.

6. Post-broadcast management

(1) And (3) irrigation:

after sowing, water is irrigated for 1 time (later irrigation is irrigated in time according to soil moisture content).

(2) Managing in a seedling stage;

the soil should be kept moist for one and a half months after sowing. According to the characteristics of soil climate, irrigation should be based on the principle of 'less irrigation and frequent irrigation' especially in the seedling stage. The irrigation is generally stopped every 20 days (depending on the soil moisture content) until 9 middle months.

Irrigating for 6 times all the year, wherein the water irrigation from the 2 nd time to the 4 th time requires frequent irrigation and less irrigation, accumulated water must be drained in time after irrigation, and the seedlings are prevented from being soaked and dead under the high-temperature condition.

(3) Weeding:

after irrigation, the soil is loosened and weeded in time so as to reduce evaporation of water and avoid soil hardening and cracking. The artificial weeding is adopted, and the weeding must be controlled in time, namely 'removing early, removing small and removing', and the nursery stock is not carried out when the weeding is carried out. Weeding is carried out for 5-6 times all the year without thinning.

(4) Fertilizing:

according to the growth cycle of the nursery stock, particularly in the fast growing period, fertilizer and water management is enhanced, 15kg of urea is broadcast and applied to each mu in 9 months in combination with irrigation, and the water is immediately irrigated after application.

(5) Pest control

In the 4-leaf stage after the emergence of the sea buckthorn seedlings, when the temperature rises in 6 months, the symptoms such as withering, root rot and the like easily appear, and the symptoms are mainly manifested as yellow leaves, starting from the initial development of the leaves and extending to the whole plant. After pulling out the yellow seedlings, the root systems are found to turn brown and wither, and the occurrence area is large. The prevention is mainly performed in the disease prevention process, when seedlings are full, the seedlings are comprehensively prevented once, and the prevention is performed by spraying (ethylicin, root rot agent and Liqing) bactericide and insecticide. 4-8 leaves are used as key periods, and timely observation is needed for prevention and treatment. The control is carried out once every 15 days for 6-7 months. After 4 times of prevention and treatment, the diseased plants are improved. The effect is better when the liquid fertilizer is sprayed.

The statistics of seedling raising carried out by the embodiment shows that the method of the embodiment can effectively increase ground temperature, preserve soil moisture and keep moisture, avoid soil hardening, improve the microenvironment of seed germination and growth, enhance stress resistance, improve the capability of seeds in resisting adverse environments such as strong wind, low temperature, low air humidity and the like, greatly improve the seed germination rate and effectively inhibit weeds. Meanwhile, seeds are saved, the seed quantity per mu is saved by 40% compared with the conventional broadcast sowing and seedling raising, sand is covered after dibbling, the fine management degree is higher, the emergence rate reaches more than 98%, and good social and ecological benefits and economic benefits are obtained.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.