CN1926945A - Method for saline-alkali land vegetation recovery by using apocynum root segment for breeding - Google Patents
Method for saline-alkali land vegetation recovery by using apocynum root segment for breeding Download PDFInfo
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Abstract
The invention relates to a method for using apocynum paper cylinder cultivation technique to recover the plant at alkaline land. Wherein, it comprises that collecting apocynum root, treating the apocynum root, preparing cultivation soil, preparing seed bed, finishing land, transplanting, and managing field. The invention has the advantages that artificially planting the apocynum on alkaline land, to improve the ecologic environment.
Description
Technical field
The invention belongs to the method for recovering saline-alkali land vegetation with bluish dogbane root segment quick propagating technology.
Background technology
The production practices of saline land improvement in recent years show that " biological solodization " meets the natural conditions in western part, Jilin Province and peasants and herdsmen's the level of production and life style, is to administer the saline land efficient ways.People make the ecotope of administering the zone obtain very big improvement by biological control measures such as " the fence envelope are educated, the plantation saline alkali tolerant plant ".But people also recognize in the process of administering the saline land gradually, carrying out western saline land, Jilin Province administers, must fully take into account people's livelihood, life and economic interests, ecological benefits should combine with economic benefit, otherwise these activities just are difficult to carry out or are lasting.In addition, the reconstruction of western eco-environment is to carry out with soil alkaline content zone heavier, that hazards of sand storms is stronger about rainfall 400mm.
Bluish dogbane (Apocynum venetum L.), Apocynaceae Apocynum herbaceos perennial.(1) adaptability is strong, and ecological ampliture is wide, is distributed widely in temperate zone, the Northern Hemisphere and cool temperate zone.Mainly be distributed in China in the saline-alkali wasteland on ground such as Xinjiang, Qinghai, Gansu and northeast.Therefore, utilize its stronger resistance, can be used as the pionner of alkaline land improving; (2) the stem of Folium Apocyni Veneti hide fiber is pliable and tough, and is elongated, is rich in gloss, and tool corrosion resistant and moisture-proof characteristic.Content of cellulose in the fiber crops skin reaches 71%, fibre percentage 40～42% than general crudefiber crop height.Its fineness and pulling force surpass fine wool, and fiber quality is better than cotton and flax, for weaving and the senior paper material of using, are the fiber with excellent plants, and the title of wild " king of fiber " is arranged.At present, fast-selling bluish dogbane textile raw material and finished product are arranged on the market.(3) bluish dogbane has high medicinal DEVELOPMENT PROSPECT.Bluish dogbane contains multiple active chemical, as flavonoids, phenols, catechin, glutamic acid etc., have reduce phlegm, cough-relieving, cardiac stimulant, relieving asthma, effect such as reducing blood lipid, anti-inflammatory and antiallergy.The bluish dogbane dry extract that China extracts with bluish dogbane through scientific formula, has been made bluish dogbane series antihypertensive drugs such as tablet, electuary, injection.So Folium Apocyni Veneti can do that tealeaves is drunk a name bluish dogbane, but long-term drinking prophylaxis of hypertension, high fat of blood, clearing heat-fire, invigorating the spleen are kept fit, diuresis defaecation, radioresistance, the anti-ageing effect of waiting for a long time.Except that cooking tealeaves, also have other products on the market, as health promoting clothes etc., characteristic such as have when hot warm, sticking body, no bad smell of perspiration when nice and cool, cold, breathe freely.In Xinjiang, bluish dogbane wild resource such as Qinghai, Gansu is than the area of horn of plenty, bluish dogbane has been developed out a series of textile, paper product, medicine and health products.
At present, China bluish dogbane does not see large-area artificial planting as yet, and the raw material of bluish dogbane production is mainly from the wild venetum resource.Because wild resource is limited and it is serious to destroy, quality shakiness, output are difficult to guarantee, have influenced the development of China's bluish dogbane industry.Therefore, carry out the large tracts of land artificial breeding, it is imperative to the bluish dogbane raw materials requirement to satisfy production.
Summary of the invention
The invention provides a kind of method, to solve the problem of fast quick-recovery kendir in alkaline land vegetation with bluish dogbane root segment propagation technique recovery saline land.The technical solution used in the present invention is to comprise the following steps:
One, the collection of bluish dogbane root segment:
At wild venetum vegetatively, the time of collection bluish dogbane root segment turned green forward and backward 10 days bluish dogbane; When taking the bluish dogbane root segment, the employing interlacing takes or the stigma bulk takes, and gets a part, stays a part, takes the degree of depth for to bluish dogbane horizontal branch place, notes not wanting extinctive excavation;
The length of general bluish dogbane root segment is long more, and planting percent is high more, but the root segment negligible amounts that obtains, reproduction coefficient is low; Root segment is short more, and planting percent is low, but the root segment quantity that obtains is many, and reproduction coefficient is big;
Two, the processing of bluish dogbane root segment:
The bluish dogbane root system that collects is cut into the root segment of 2cm, places plastic containers, use root-inducing powder: 50% naphthalene second Yin second soluble powder is mixed with the solution soaking bluish dogbane root segment 2～6 hours of 50ppm;
Three, the grow seedlings preparation of soil:
Select the sand soil in farmland for use, in the ratio of clay fertilizer than 100kg: 5g, with the soil mixing, fertilizer can be composite fertilizer, wherein N be 15%, P
2O
5Be 15%, K
2O is 15%;
Four, prepare in the seedbed
On the soil, field that preparation is grown seedlings, the seedling growth paper tube curtain is drawn back, 200 paper webs of the every curtain of this seedling growth paper tube curtain, single paper web diameter is 5cm, highly is 10cm, and ready sand soil is filled in each seedling growth paper tube, tamps the back water spray and irrigates; After 5～6 hours, in the seedling growth paper tube that sedimentation takes place, mend the earth that bankets, and spray water once more; Next day, on each seedling growth paper tube, make a call to the vesicle of a degree of depth 4cm with the rod of diameter 2cm, the root segment of handling well through root-inducing powder is put into the cave, with the soil that sieve is good the cave to be filled and led up, water spray irrigates;
Watered every 1～2 day, keep ground moistening, emerge to bluish dogbane;
Five, wholely
1. choosing ground: select that the pH value is no more than 11.0 plot in the thick soil of 0～30cm; 2. weeding: after the plot is selected, carry out total weed control, carry out soil cultivation after 14 days with the weed killer herbicide of glyphosate or other natural disposition of going out; 3. harrow a kind of farm tools arrangement: to soil turn over, rake, the whole ground of a kind of farm tools, make land readjustment, soil is in small, broken bits; 4. ridging: by 40～65cm row spacing ridging, the high 15～20cm in ridge; 5. dig pit: dig pit in furrow, the hole diameter is 15～20cm, cheats dark 15cm, and the hole distance is 50～100cm;
Six, transplant
When growing to 6～7 pairs of blades after bluish dogbane emerges, can prepare to transplant;
When transplanting the bluish dogbane paper web seedling of root segment breeding, on the seedling growth paper tube that growth has bluish dogbane seedling, preparation to transplant, spray water, irrigate, make the paper web natural separation, each paper web is moved to the field transplant;
Transplanting time is typically chosen in local rainy season;
Seven, field management
Bluish dogbane growth 1 year, on the low side as rainfall, soil drought, when water content was lower than 9% in 0～30 centimetre of soil horizon, moisturizing in time particularly before going into the winter, answered moisturizing once; When being subjected to weeds harm, with weed killer herbicide or artificial weeding;
Grow 1 year to its growth year bluish dogbane, get final product according to its self-sow; When soil compaction is serious, can before turning green, bluish dogbane carry out shallow rake, chesson vegetatively to bluish dogbane.
In one embodiment of the present invention, also be included in the whole ground of step 5:
6. add sandy soil: heavier as the salinization of soil, the pH value need be added the part sand soil at 10.2～11.0 o'clock in the hole, and the sandy soil ratio can be 1: 3.
In one embodiment of the present invention, in step 6 is transplanted:
On seedling growth paper tube, spray soil salinization modifying agent before transplanting and/or spray draught resisting and water retaining.
Wherein, soil salinization modifying agent is an organic acid type.
Wherein, draught resisting and water retaining is made of the suction composition that high amylopectin starch, acrylic acid, acrylamide polymerization form.
Rebuild when carrying out grass seed selection in western eco-environment with improvement, the one, should select the stronger grass seeds of resistance such as salt tolerant alkali, drought-resistant, anti-blown sand, can be under the abominable natural environmental condition in western part well-grown.The 2nd, this plant has higher economic development value or has the very plant variety of usury usefulness potentiality, in restore vegetation, protection ecological benefits, brings into play its economic benefit as far as possible, increases peasant's income.
Bluish dogbane is a kind of so just to be grown in area, saline and alkaline sandy wasteland, herbaceos perennial that resistance is very strong.
Bluish dogbane breeds methods such as available seed sowing, root segment transplanting and carries out.Because the bluish dogbane root segment has stronger salt tolerant alkali ability than seedling, so during with bluish dogbane root segment recovery saline-alkali land vegetation, can be planted in heavier zone, saline land.Because the nutriment of storing in the root system far is more than the nutriment of storing in the seed, therefore, with root segment breeding bluish dogbane fast growth, it is very fast to grow into forest.Moreover the bluish dogbane root segment has stronger resistance, and it is less to be affected by the external environment when planting, easily success.
The invention has the advantages that: because the bluish dogbane root segment has stronger salt tolerant alkali ability than seedling, so during with bluish dogbane root segment recovery saline-alkali land vegetation, can be planted in heavier zone, saline land.Because the nutriment of storing in the root system far is more than the nutriment of storing in the seed, and root segment has stronger resistance, therefore, carries out bluish dogbane when growing seedlings with root segment, fast growth, and it is less to be affected by the external environment, easily success.Since be that paper web is grown seedlings, to the lowered minimum degree of the injury of bluish dogbane seedlings root, slow hardly seedling during transplanting.In addition, the sand soil in the paper web has been for the bluish dogbane seedlings root provides the microenvironment of growth, it's seedling period to saline and alkaline sensitivity makes can degree of safety past bluish dogbane, strengthened the salt tolerant alkali ability of bluish dogbane seedling, improved the survival rate of transplanting.Paper web is grown seedlings and has also been created convenience for the use of soil salinization modifying agent, draught resisting and water retaining.Moreover according to the water salt characteristics of motion in saline land, ridging furrow culture technique of the present invention provides a good relatively environment for the bluish dogbane growth of seedling.Moreover, comparing with the long root segment transplanting of bluish dogbane, the present invention has the big characteristics of reproduction coefficient.
From the wild distribution situation in bluish dogbane western saline land in Jilin Province, take all factors into consideration in conjunction with adaptability and the salt tolerant alkali ability of bluish dogbane, need cover husky improvement except the saline land of utmost point severe and could plant the bluish dogbane, bluish dogbane all can be planted in all the other meadows.Therefore, on the saline land, bluish dogbane is carried out artificial planting, will improve the ecotope in saline and alkaline area, can alleviate the demand of domestic and international market again, thereby obtain considerable economy, ecology and social benefit bluish dogbane.Below by concrete planting experiment result, further specify beneficial effect of the present invention.
Table 1 ABT-1 number to the grow seedlings influence of the situation that survives of bluish dogbane 2cm root segment
| Survival rate (%) | Number (individual) on average sprouts | |
| (CK) is untreated | 0 | 0 |
| ABT-1 | 62.5 | 1.84 |
Table two, 2cm root segment transplanting survival rate situation
| The place | 0～40cm soil pH value | Total salt content (uscm -1) | Planting percent (%) |
| The stud farm, Changling County | 10.2 | 712 | 90 |
Annotate: total salt content is represented with electrical conductivity
Table three, usefulness bluish dogbane root segment seedling growing process recover the ecology and the economic benefit of saline-alkali land vegetation
| Emergence rate | Transplanting survival rate | Suitable soil pH value | Economic benefit | Estimate |
| 62.5％ | 90％ | ＜10.2 | 7420.0 unit/hectare * | Planting in 2～3 years success |
Annotate: after bluish dogbane planting in 2～3 years success, cured leaf output is the 1060.0kg/ hectare.At present, the Folium Apocyni Veneti prices of raw and semifnished materials are 7.0 yuan/kg, and only 1 hectare of bluish dogbane output value of a plantation of leaf can reach 7420.0 yuan.Compare with the method for other traditional saline land restore vegetation, under the prerequisite that guarantees ecological benefits, have huge economic benefit.
Embodiment
Be example with western saline land, Jilin Province among the embodiment.
Embodiment 1
Comprise the following steps:
One, the collection of bluish dogbane root segment:
Consider the adaptability of plant, present embodiment is an acquisition target to be grown in the western wild root of Apocynum venetum L in Jilin Province.At the wild venetum of having protected vegetatively, the time of gathering the bluish dogbane root segment is advisable before with June 10, before and after local bluish dogbane turns green.When taking the bluish dogbane root segment, the employing interlacing takes or the stigma bulk takes, and gets a part, stays a part, notes not wanting extinctive excavation.Take the degree of depth and be advisable to take to horizontal branch, the general degree of depth is at 20～30cm.
The length of general bluish dogbane root segment is long more, and planting percent is high more, but the root segment negligible amounts that obtains, reproduction coefficient is low; Root segment is short more, and planting percent is low, but the root segment quantity that obtains is many, and reproduction coefficient is big.
Two, the processing of bluish dogbane root segment:
The bluish dogbane root system that collects is cut into the root segment of 2cm, is placed in the rectangle pond that is covered with Polypropylence Sheet, the degree of depth is 40cm, long 200cm, wide 100cm.With 50% naphthalene second Yin second soluble powder, commercialization, trade name Ai Bidi root-inducing powder, Chinese forest-science academy ABT research and development centre development is mixed with the solution soaking bluish dogbane root segment 2～6 hours of 50ppm.
Three, the grow seedlings preparation of soil:
Select the sand soil in farmland for use, present embodiment is chosen western farmland, Jilin Province soil, and in the ratio of clay fertilizer than 100kg: 5g, with the soil mixing, fertilizer can be composite fertilizer, wherein N be 15%, P
2O
5Be 15%, K
2O is 15%;
Four, prepare in the seedbed:
On the soil, field that preparation is grown seedlings, the seedling growth paper tube curtain is drawn back, 200 paper webs of every curtain, single paper web diameter is 5cm, highly is 10cm, the sand soil that careful filling has been got ready tamps the back and sprays enough moisture in each seedling growth paper tube.After 5～6 hours, taking place to mend the earth that bankets in the seedling growth paper tube of sedimentation, after water spray once more.Next day, on each seedling growth paper tube, make a call to a vesicle with the rod about the about 2cm of diameter, the degree of depth is put into the cave to the root segment that root-inducing powder is handled well at 4cm.With the soil that sieve is good the cave is filled and led up, water spray irrigates.
Seedling growth paper tube is to be made by the degradable paper, can rot gradually more than 3 months in soil, waters and can separate voluntarily after permeable.
The maintenance ground moistening that often waters is generally every 1～2 day and waters once, emerges up to bluish dogbane.About 15 day time just can grow the bluish dogbane seedling.After emerging, the bluish dogbane growth rate is very fast, can grow 6～7 pairs of blades in about 1 month, can prepare to transplant.
Five, wholely
1. choosing ground: be chosen in pH value in 0～30cm soil less than 9.5 soil; 2. weeding: after the plot is selected, carry out total weed control, carry out soil cultivation after 14 days with the weed killer herbicide of glyphosate or other natural disposition of going out; 3. harrow a kind of farm tools arrangement: bluish dogbane is the root turion plant, likes being grown on the good soil of loose air capacity of soils.Therefore, plantation is during bluish dogbane, and reply soil turns over, rake, the whole ground of a kind of farm tools, makes land readjustment, and soil is in small, broken bits; 4. ridging: press 65cm row spacing ridging, the high 15cm in ridge.The moisture movement that the saline land causes owing to the influence of mima type microrelief, salt alkali content in the furrow often is lower than the ridge tongue, soil water content in the furrow often is higher than the ridge tongue, and the furrow plantation is compared with ridge tongue, the flat kind like this, just provides good relatively growing environment for the bluish dogbane growth of seedling; Western Winter-Spring, Jilin Province severe cold, big, the few snow of wind in addition, because the protection of ridge tongue, furrow plantation bluish dogbane wintering rate is up to more than 95%; 5. dig pit: dig pit in furrow, the hole diameter is 15cm, cheats dark 15cm, and the hole distance is 100cm;
Six, transplant
When transplanting the bluish dogbane paper web seedling of root segment breeding, growth there is the bluish dogbane seedling, water spray on the seedling growth paper tube of preparing to transplant, irrigates, make the paper web natural separation.Each paper web careful pile up in vinyl disc or in other container.The vinyl disc layering of filling bluish dogbane seedling paper web is placed in the haulage vehicle, moves the field to and transplant.
The root of Apocynum venetum L cording has powerful asexual multiplication ability, and thin planting can reduce cost, and it is 15000 strains/hm that this example is transplanted density
2, transplanting time is typically chosen in local rainy season.Jilin Province should the late June～by the end of July, after the transplanting, as do not rain moisturizing in time.
Seven, field management
Bluish dogbane growth in 1 year is slower, and root system buries not dark, is subject to weeds, arid harm.On the low side as rainfall, soil drought, when water content was lower than 9% in 0～30 centimetre of soil horizon, moisturizing in time particularly before going into the winter, should be mended a water.When rainy season, bluish dogbane is subject to weeds harm.When grassy weed more for a long time, the weed killer herbicide that clean, the not busy hoe of available weed killer herbicide dogstail, fluazifop-p-butyl etc. are killed grassy weed sprays weeding.When other weeds more for a long time, mainly rely on artificial weeding.
When bluish dogbane growth 1 year, root growth was fast, it is dark to bury, and drought-resistance ability is strong, and plant strain growth is very fast, and is tall and big, than annual weed stronger competitiveness arranged.Generally speaking, neither need moisturizing, also seldom need to go out to cut weeds.
Bluish dogbane sown pasture after building up is in growth year, and is serious as soil compaction, can carry out shallow rake, chesson vegetatively to bluish dogbane before bluish dogbane turns green.
Embodiment 2
Processing, the step 3 of the collection of step 1 bluish dogbane root segment, step 2 bluish dogbane root segment grow seedlings the preparation, step 4 seedbed of soil prepare, with embodiment 1,
Five, wholely
1. select ground: be chosen on the soil of pH value 9.5～10.2 in 0～30cm soil; 2. weeding: after the plot is selected, carry out total weed control, carry out soil cultivation after 14 days with the weed killer herbicide of glyphosate or other natural disposition of going out; 3. harrow a kind of farm tools arrangement: bluish dogbane is the root turion plant, likes being grown on the good soil of loose air capacity of soils.Therefore, plantation is during bluish dogbane, and reply soil turns over, rake, the whole ground of a kind of farm tools, makes land readjustment, and soil is in small, broken bits; 4. ridging: press 50cm row spacing ridging, the high 18cm in ridge.The moisture movement that the saline land causes owing to the influence of mima type microrelief, salt alkali content in the furrow often is lower than the ridge tongue, soil water content in the furrow often is higher than the ridge tongue, and the furrow plantation is just compared and provided good relatively growing environment for the bluish dogbane growth of seedling with ridge tongue, flat kind like this.5. dig pit: dig pit in furrow, the hole diameter is 18cm, cheats dark 15cm, and the hole distance is 75cm;
Six, transplant
When transplanting the bluish dogbane paper web seedling of root segment breeding, growth there is the bluish dogbane seedling, water spray on the seedling growth paper tube of preparing to transplant, irrigates, make the paper web natural separation.Each paper web careful pile up in vinyl disc or in other container.The vinyl disc layering of filling bluish dogbane seedling paper web is placed in the haulage vehicle, moves the field to and transplant.
Spray draught resisting and water retaining transplanting on the forward direction seedling growth paper tube, this draught resisting and water retaining mainly is made of the suction composition that high amylopectin starch, acrylic acid, acrylamide etc. are polymerized, with the reduction cost of pouring water.
Transplanting density is 26600 strains/hm
2, because of soil salinity and alkalinity in this example is higher than embodiment, this planting density is higher than embodiment 1, helps growing into forest fast, transplanting time is typically chosen in local rainy season, Jilin Province should the late June～by the end of July, after the transplanting, as do not rain moisturizing in time.
Seven, field management is with embodiment 1.
Embodiment 3
Processing, the step 3 of the collection of step 1 bluish dogbane root segment, step 2 bluish dogbane root segment grow seedlings the preparation, step 4 seedbed of soil prepare, with embodiment 1,
Five, wholely
1. select ground: be chosen on the soil of pH value 11.0 in 0～30cm soil; 2. weeding: after the plot is selected, carry out total weed control, carry out soil cultivation after 14 days with the weed killer herbicide of glyphosate or other natural disposition of going out; 3. harrow a kind of farm tools arrangement: bluish dogbane is the root turion plant, likes being grown on the good soil of loose air capacity of soils.Therefore, plantation is during bluish dogbane, and reply soil turns over, rake, the whole ground of a kind of farm tools, makes land readjustment, and soil is in small, broken bits; 4. ridging: press 40cm row spacing ridging, the high 20cm in ridge.The moisture movement that the saline land causes owing to the influence of mima type microrelief, salt alkali content in the furrow often is lower than the ridge tongue, soil water content in the furrow often is higher than the ridge tongue, and the furrow plantation is just compared and provided good relatively growing environment for the bluish dogbane growth of seedling with ridge tongue, flat kind like this.5. dig pit: dig pit in furrow, the hole diameter is 20cm, cheats dark 15cm, and the hole distance is 50cm; 6. add sandy soil: add the part sand soil in the hole, the sandy soil ratio is 1: 3, to increase the permeability of soil, makes bluish dogbane normal growth in seedling stage, spends the tricky time of salt tolerant alkali.
Six, transplant
When transplanting the bluish dogbane paper web seedling of root segment breeding, growth there is the bluish dogbane seedling, water spray on the seedling growth paper tube of preparing to transplant, irrigates, make the paper web natural separation.Each paper web careful pile up in vinyl disc or in other container.The vinyl disc layering of filling bluish dogbane seedling paper web is placed in the haulage vehicle, moves the field to and transplant.
Before transplanting, on seedling growth paper tube, spray soil salinization modifying agent, mainly contain citric acid, fulvic acid, humus, malic acid, humic acid, propionic acid, salicylic acid etc., utilize the complexing of organic compound to salt ion, improve the rhizospheric environment of plant, as: " Kang Dibao " saline-alkali soil conditioner that can buy, these commodity are produced by the Beijing North Agricultural Kangdi Biotechnology Co., Ltd, research and develop by Beijing agronomy university, transplant 3～5 milliliters of preceding every square metre of consumptions, be diluted to 800 times of liquid and evenly be sprayed on the seedling growth paper tube, transplant then;
Spray draught resisting and water retaining transplanting on the forward direction seedling growth paper tube, this draught resisting and water retaining mainly is made of the suction composition that high amylopectin starch, acrylic acid, acrylamide etc. are polymerized, with the reduction cost of pouring water.
Transplanting density is 50000 strains/hm
2, transplanting time is typically chosen in local rainy season, Jilin Province should the late June～by the end of July, after the transplanting, as do not rain moisturizing in time.
Seven, field management is with embodiment 1.
Claims (5)
1, a kind of method with bluish dogbane root segment propagation technique recovery saline-alkali land vegetation comprises the following steps:
One, the collection of bluish dogbane root segment:
At wild venetum vegetatively, the time of collection bluish dogbane root segment turned green forward and backward 10 days bluish dogbane; When taking the bluish dogbane root segment, the employing interlacing takes or the stigma bulk takes, and gets a part, stays a part, and taking the degree of depth is to bluish dogbane horizontal branch place;
Two, the processing of bluish dogbane root segment:
The bluish dogbane root system that collects is cut into the root segment of 2cm, places plastic containers, be mixed with the solution soaking bluish dogbane root segment 2～6 hours of 50ppm with the soluble powder of 50% naphthalene second Yin second root-inducing powder;
Three, the grow seedlings preparation of soil:
Select the sand soil in farmland for use, in the ratio of clay fertilizer than 100kg: 5g, with the soil mixing, fertilizer can be composite fertilizer, wherein N be 15%, P
2O
5Be 15%, K
2O is 15%;
Four, prepare in the seedbed:
On the soil, field that preparation is grown seedlings, the seedling growth paper tube curtain is drawn back, 200 paper webs of the every curtain of this seedling growth paper tube curtain, single paper web diameter is 5cm, highly is 10cm, and ready sand soil is filled in each seedling growth paper tube, tamps the back water spray and irrigates; After 5～6 hours, in the seedling growth paper tube that sedimentation takes place, mend the earth that bankets, and spray water once more; Next day, on each seedling growth paper tube, make a call to the vesicle of a degree of depth 4cm with the rod of diameter 2cm, the root segment of handling well through root-inducing powder is put into the cave, with the soil that sieve is good the cave to be filled and led up, water spray irrigates;
Watered every 1～2 day, keep ground moistening, emerge to bluish dogbane;
Five, wholely
1. choosing ground: select that the pH value is no more than 11.0 plot in the thick soil of 0～30cm; 2. weeding: after the plot is selected, carry out total weed control, carry out soil cultivation after 14 days with the weed killer herbicide of glyphosate or other natural disposition of going out; 3. harrow a kind of farm tools arrangement: to soil turn over, rake, the whole ground of a kind of farm tools, make land readjustment, soil is in small, broken bits; 4. ridging: by 40～65cm row spacing ridging, the high 15～20cm in ridge; 5. dig pit: dig pit in furrow, the hole diameter is 15～20cm, cheats dark 15cm, and the hole distance is 50～100cm;
Six, transplant
When growing to 6～7 pairs of blades after bluish dogbane emerges, can prepare to transplant;
When transplanting the bluish dogbane paper web seedling of root segment breeding, on the seedling growth paper tube that growth has bluish dogbane seedling, preparation to transplant, spray water, irrigate, make the paper web natural separation, each paper web is moved to the field transplant;
Transplanting time is typically chosen in local rainy season;
Seven, field management
Bluish dogbane growth 1 year, on the low side as rainfall, soil drought, when water content was lower than 9% in 0～30 centimetre of soil horizon, moisturizing in time particularly before going into the winter, answered moisturizing once; When being subjected to weeds harm, with weed killer herbicide or artificial weeding;
Grow 1 year to its growth year bluish dogbane, get final product according to its self-sow; When soil compaction is serious, can before turning green, bluish dogbane carry out shallow rake, chesson vegetatively to bluish dogbane.
2, the method with bluish dogbane root segment propagation technique recovery saline-alkali land vegetation according to claim 1 also is included in the whole ground of step 5:
6. add sandy soil: heavier as the salinization of soil, the pH value need be added the part sand soil at 10.2～11.0 o'clock in the hole, and the sandy soil ratio can be 1: 3.
3, the method with bluish dogbane root segment propagation technique recovery saline-alkali land vegetation according to claim 1 and 2, in step 6 is transplanted:
On seedling growth paper tube, spray soil salinization modifying agent before transplanting and/or spray draught resisting and water retaining.
4, the method with bluish dogbane root segment propagation technique recovery saline-alkali land vegetation according to claim 3, soil salinization modifying agent is an organic acid type.
5, the method with bluish dogbane root segment propagation technique recovery saline-alkali land vegetation according to claim 3, draught resisting and water retaining is made of the suction composition that high amylopectin starch, acrylic acid, acrylamide polymerization form.
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102487696A (en) * | 2011-12-09 | 2012-06-13 | 山东省农业可持续发展研究所 | Method of utilizing stem section cuttage to reproduce apocynum venetum in alkali soil |
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| CN1137913C (en) * | 2000-08-22 | 2004-02-11 | 上海众伟生化有限公司 | High water absorption resin and its producing method |
| CN100415395C (en) * | 2005-04-06 | 2008-09-03 | 东北师范大学 | Prepn and usage of plant repairing body for contaminated soil |
| CN100345475C (en) * | 2005-12-27 | 2007-10-31 | 东北师范大学 | Quick planting and establishing method for alkaline land vegetation |
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| CN102487696B (en) * | 2011-12-09 | 2013-01-23 | 山东省农业可持续发展研究所 | Method of utilizing stem section cuttage to reproduce apocynum venetum in alkali soil |
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| CN106305087A (en) * | 2016-08-23 | 2017-01-11 | 陈丁龙 | Method for planting apocynum venetum by soil restoration of saline-alkali land |
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| CN109699323A (en) * | 2019-01-29 | 2019-05-03 | 滨州职业学院 | A kind of method of Huanghe delta autumn Chinese silvergrass breeding |
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