CN103621212B - A kind of method of the alkaline land soil base material improvement for nursery stock cuttage - Google Patents
A kind of method of the alkaline land soil base material improvement for nursery stock cuttage Download PDFInfo
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- CN103621212B CN103621212B CN201310619554.5A CN201310619554A CN103621212B CN 103621212 B CN103621212 B CN 103621212B CN 201310619554 A CN201310619554 A CN 201310619554A CN 103621212 B CN103621212 B CN 103621212B
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Abstract
For a method for the alkaline land soil base material improvement of nursery stock cuttage, belong to nursery stock cuttage soil matrix improving technology field.It comprises the following steps: 1) get Nutrition Soil and saline-alkali soil by following weight ratio: Nutrition Soil 55 ~ 65%, saline-alkali soil 45 ~ 35%; 2) Nutrition Soil and the independent block mode of saline-alkali soil are combined, namely dig cave in saline-alkali soil, in cave, insert Nutrition Soil.3) Nutrition Soil and saline-alkali soil are carried out disinfection.The present invention is reasonable in design, simple to operate, for the original place cuttage and seedling culture in saline land or afforestation provide required base material improvement measure, improve the survival rate of saline land nursery stock cuttage, reduce beach saline-alkali field planting cost, improve saline land on the spot environment, improve saline field ecosystem, the indirect development promoting local economy, adds the income of peasant.
Description
Technical field
The invention belongs to nursery stock cuttage soil matrix improving technology field, be specifically related to a kind of method of the alkaline land soil base material improvement for nursery stock cuttage.
Background technology
China beach saline-alkali ground aboundresources, for a long time due to reasons such as typhoon, saline and alkaline and waterloggings, makes beach saline-alkali ground resource could not utilize preferably always, simultaneously, too high salinity in beach ground soil, creates suppression to a certain degree to the growth of plant, makes a large amount of plant be difficult to survival.The coastal protecting forest-system that current system for forestry is carried out and typhoon protection protection forest system all attempt to utilize forestry technology to administer as pioneer's means and firm beach saline-alkali ground.
Forest is the adjuster of terrestrial ecosystem, can effectively improve regional climate, hydrologic condition, increases bio-diversity, the good and fast development of effective guarantee human society.Current, utilize salt-tolerant plant to build artificial forest belt be considered to a kind of effective ecology of alkali saline land recovery technique at beach saline-alkali.
Ecology of alkali saline land is repaired nursery stock used and mostly is raw or perennial nursery stock then, nursery stock price is high, afforestation soil moved in improve the original, ditches, digs needed for the traditional measures such as cave, support, tending management manually more, and treelet is to the bad adaptability of soil alkaline, easy death, causes cost of forestation very high.Reducing cost of forestation, improve the survival rate of seedling, is accelerate the prerequisite that ecology of alkali saline land reparation realizes saline land efficiency utilization.Cottage propagation has feature with low cost, simple to operate, can carry out on a large scale in original place, field.The problems such as choose soil moved in improve the original and saline-alkali soil carries out nursery stock cuttage as matrix, cause matrix fine and close, water-permeable and air permeable is poor, and cuttage rooting is difficult, the low and Salt Strees Condition of survival rate.Therefore, seeking the alkaline land soil matrix of new nursery stock cuttage, ensure taking root and surviving of cuttings, improvement saline land on the spot environment, is the basic need ensureing ecology of alkali saline land sustainable economic development.
Summary of the invention
For prior art Problems existing, the object of the invention is to design the technical scheme of a kind of method that alkaline land soil base material improvement for nursery stock cuttage is provided.
The method of described a kind of alkaline land soil base material improvement for nursery stock cuttage, is characterized in that comprising the following steps:
1) Nutrition Soil and saline-alkali soil is got by following weight ratio: Nutrition Soil 55 ~ 65%, saline-alkali soil 45 ~ 35%;
2) Nutrition Soil and the independent block mode of saline-alkali soil are combined, namely dig cave in saline-alkali soil, in cave, insert Nutrition Soil;
3) Nutrition Soil and saline-alkali soil are carried out disinfection.
The method of described a kind of alkaline land soil base material improvement for nursery stock cuttage, is characterized in that described step 1) Middle nutrition soil is mixed by weight 1:1 by peat and perlite.
The method of described a kind of alkaline land soil base material improvement for nursery stock cuttage, it is characterized in that described step 2) independent to Nutrition Soil and saline-alkali soil block mode is carried out combination be specially: the Nutrition Soil adding described weight in the foraminate little nutritive cube of alms bowl body surrounding band, again this little nutritive cube is put into large nutritive cube, then fill up with the saline-alkali soil of described weight between little nutritive cube and large nutritive cube.
The method of described a kind of alkaline land soil base material improvement for nursery stock cuttage, is characterized in that described step 3) Middle nutrition soil and saline-alkali soil adopt the alcohol of 2% to seal sterilization one week.
The present invention is reasonable in design, simple to operate, for the original place cuttage and seedling culture in saline land or afforestation provide required base material improvement measure, improve the survival rate of saline land nursery stock cuttage, reduce beach saline-alkali field planting cost, improve saline land on the spot environment, improve saline field ecosystem, the indirect development promoting local economy, adds the income of peasant.
Embodiment
The present invention is further illustrated below in conjunction with embodiment.
Embodiment 1:
1.1 materials: saline-alkali soil, take from test site (the new polder reclamation of beach).Nutrition Soil (being made up of perlite and peat 1:1), purchased from flowers and trees city, Xiaoshan.Host material carries out pretreatment according to the method described above.
Test vegetable material used: be weeping willow and Hibiscus hamabo, it is street tree that weeping willow takes from Bei Di road, Fuyang City, and Hibiscus hamabo takes from Wetland of Hangzhou Bay center.Nutritive cube specification: bore 8cm, degree of depth 8cm and bore 12cm, degree of depth 8cm.Weeping willow and Hibiscus hamabo cuttings are give birth to spray then, and cuttings is about about 10cm, retains 2 ~ 3 brood cells, upper end flat mouth, the lower end shape of a hoof, all uses ABT root-inducing powder No. 2 solution (50mg/kg) to soak 5 hours, and after cuttage, first time waters permeable.Indoor temperature in experimental period: 20 DEG C ~ 40 DEG C, humidity: 50% ~ 90%.
1.2 methods:
Process is arranged: establish Nutrition Soil (peat: perlite=1:1) 6 usage ratio and saline-alkali soil mix completely with interior Nutrition Soil outward saline-alkali soil totally 7 process.Each process Culture media: the ratio of saline-alkali soil is respectively: 0:10(process 0, contrast), 2:8(process 1), 4:6(process 2), 6:4(process 3), 8:2(process 4), 10:0(process 5), the outer saline-alkali soil of interior Nutrition Soil (process 6), the process concrete operations of the outer saline-alkali soil of interior Nutrition Soil are: be add pure Nutrition Soil in the little nutritive cube of 8cm at bore, then this nutritive cube is put into the large nutritive cube that bore is 12cm, fill up with pure saline-alkali soil between little nutritive cube and large nutritive cube, alms bowl body surrounding is stung into cellular aperture with iron wire by little nutritive cube in advance, be beneficial to the mass exchange between Nutrition Soil and saline-alkali soil.Each process matrix alcohol of 2% seals sterilization one week.Loaded by cuttage culture matrix after mixed concurrent disinfection in order to cuttage in the nutritive cube of bore 8cm, every seeds every grade 10 basin, totally 120 basins, completely random arranges.After two months, each process random sampling measures salt content, the pH of matrix in nursery stock cuttage, and the survival rate of Simultaneously test weeping willow and Hibiscus hamabo, sprouting number, stripping amount of growth, root system are long, root quantity.
1.3 data acquisitions and process
Substrate pH, with 25ml deionized water lixiviate matrix sample (10g), pH meter method;
Soil salt content: electrical conductivity method.
Survival rate ratio of total plant number of the plant quantity that survives of certain seeds stripping and these process seeds in process represents;
Stripping amount of growth stripping length newborn then represents, unit cm;
The root system length length of the longest axial root system of plant represents, unit cm;
The root quantity quantity of the root system of diameter >0.5mm represents.
2 results and analysis
2.1 different disposal culture matrix salt content and pH Variations
After Cutting test terminates, salt content and the pH value variation characteristic of different disposal culture matrix are as shown in table 1:
Through the cultivation of nearly 2 months, the salt content of different disposal culture matrix all significantly reduced, and tends towards stability, and drip washing and absorption may be the main causes causing matrix base cation to decline.Different disposal culture matrix pH value feature shows as saline-alkali soil pH value maximum (one-tenth strong basicity), Nutrition Soil pH value minimum (one-tenth faintly acid), matrix pH value containing Nutrition Soil and saline-alkali soil is all more than 8.5, the pH value of the outer saline-alkali soil process of interior Nutrition Soil is neutral, in addition, different disposal culture matrix pH value changes in gradient, namely reduce along with the increase of culture matrix Middle nutrition soil, show: the pH value of a. saline-alkali soil to culture matrix has long-term decisive role, b. the Acidity of Aikalinity of Nutrition Soil to culture matrix has improved effect, c. Nutrition Soil and saline-alkali soil mix the Acidity of Aikalinity regulating action of culture matrix limited in proportion completely, and mode (processing 6) the Acidity of Aikalinity regulating action to the micro-territory of target adopting Nutrition Soil and the independent bulk of saline-alkali soil to combine is obvious.
Table 1 different disposal culture matrix salt content and pH value
2.2 different disposal are on the impact of weeping willow cutting survival
Different disposal weeping willow cutting survival the results are shown in Table 2: pure Nutrition Soil matrix weeping willow epicormic branch cuttage survival rate is the highest, the Nutrition Soil containing 20% and 40% Nutrition Soil matrix survival rate lower, the matrix weeping willow survival rate of 60% Nutrition Soil is higher; It is little that sprouting number respectively processes a difference, and the matrix stripping amount of growth of 20% Nutrition Soil and 40% Nutrition Soil is significantly less than other process; The root system of pure saline-alkali soil matrix is long maximum, and other process difference is not remarkable; Each process root quantity difference is little.Soil salt alkalescence has remarkable impact to the cutting survival of weeping willow, and wherein alkali condition should be the main cause affecting weeping willow cutting survival, growth.Nutrition Soil accounts for the weeping willow survival rate of 20% and 40% culture matrix and stripping amount of growth is all less than other process, shows that this kind of processing mode also exists other limiting factor to weeping willow cuttings survival and growth.
Table 2 different disposal weeping willow cuttage data analysis
Note: data are expressed as mean+SD, has significant difference, significance between different letter representation group
p<0.01.
2.3 different disposal are on the impact of Hibiscus hamabo cutting survival
The cuttage of different disposal Hibiscus hamabo the results are shown in Table shown in 3: the matrix Hibiscus hamabo epicormic branch cuttage survival rate of 100% saline-alkali soil, 60% Nutrition Soil+40% saline-alkali soil and 100% Nutrition Soil is relatively high, and in the matrix that Nutrition Soil accounts for 20% and 40%, cuttings survival rate is relatively low.Long and the root quantity of the different disposal Hibiscus hamabo survival sprouting number of cuttings, root system is without significant difference, and show that Hibiscus hamabo cuttings can adapt to different soil environments, the cuttage in 60% Nutrition Soil+40% saline-alkali soil matrix of comprehensive each index Hibiscus hamabo is more suitable.Under saline and alkaline condition, the cottage propagation ability of Hibiscus hamabo is far below weeping willow.The same with weeping willow, there is the cuttage of other limiting factor to Hibiscus hamabo and have an impact in the culture matrix of 20% Nutrition Soil and 40% Nutrition Soil.
Table 3 different disposal Hibiscus hamabo cuttage data analysis
Note: data are expressed as mean+SD, has significant difference, significance between different letter representation group
p<0.01.
3 brief summaries
(1) different disposal differs greatly to culture matrix salt content improving effect.Drip washing and plant absorption effect make the salt content of different disposal culture matrix all significantly reduce, and tend towards stability.
(2) pH value of saline-alkali soil to culture matrix has long-term decisive role.The Acidity of Aikalinity of Nutrition Soil to culture matrix has improved effect, along with the increase pH value of Nutrition Soil reduces in culture matrix, during the too high levels of soil matrix Middle nutrition soil, and its substrate pH acidity on the weak side.The Acidity of Aikalinity regulating action of mode to culture matrix adopting Nutrition Soil and saline-alkali soil to mix completely is in proportion limited, and the Acidity of Aikalinity regulating action of mode to the micro-territory of target (Nutrition Soil cuttings attachment region) adopting Nutrition Soil and the independent bulk of saline-alkali soil to combine is obvious.
The survival and growth of culture matrix to weeping willow and Hibiscus hamabo cuttings of (3) 20% Nutrition Soils and 40% Nutrition Soil all has obvious negative effect, and this kind of processing mode exists the survival and growth of other factors restriction cuttings, is unsuitable for saline land cutting medium improvement.The base material improvement mode being applicable to saline land cuttage is: a. adopts Nutrition Soil and the independent block combination of saline-alkali soil, namely in saline-alkali soil, cave is dug, in cave, insert Nutrition Soil (in Nutrition Soil cuttage cuttings), b. Nutrition Soil and saline-alkali soil ratio are 3:2(60% Nutrition Soil) complete hybrid mode.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments, equivalent replacement and improvement etc. done within the present invention's spirit and principle, all should be included in protection scope of the present invention.
Claims (3)
1., for a method for the alkaline land soil base material improvement of nursery stock cuttage, it is characterized in that comprising the following steps:
1) Nutrition Soil and saline-alkali soil is got by following weight ratio: Nutrition Soil 55 ~ 65%, saline-alkali soil 45 ~ 35%;
2) in the foraminate little nutritive cube of alms bowl body surrounding band, add the Nutrition Soil of described weight, then this little nutritive cube is put into large nutritive cube, then fill up with the saline-alkali soil of described weight between little nutritive cube and large nutritive cube;
3) Nutrition Soil and saline-alkali soil are carried out disinfection.
2. the method for a kind of alkaline land soil base material improvement for nursery stock cuttage as claimed in claim 1, is characterized in that described step 1) Middle nutrition soil is mixed by weight 1:1 by peat and perlite.
3. the method for a kind of alkaline land soil base material improvement for nursery stock cuttage as claimed in claim 1, is characterized in that described step 3) Middle nutrition soil and saline-alkali soil adopt the alcohol of 2% to seal sterilization one week.
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| CN105724170B (en) * | 2016-03-09 | 2019-01-11 | 江苏省中国科学院植物研究所 | Hibiscus hamabo container seedling culture method |
| CN105941058A (en) * | 2016-05-31 | 2016-09-21 | 山东胜伟园林科技有限公司 | A method of performing natural soil cultivation on strongly saline-alkaline soil by using nutrient soil capable of improving soil permeability |
| CN106576480B (en) * | 2016-11-30 | 2018-10-26 | 国家海洋局第二海洋研究所 | The method that nutritive cube fills restoration of the ecosystem estuary mud-flat soil |
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| CN101243748A (en) * | 2008-03-07 | 2008-08-20 | 江苏道森生物化学有限公司 | Method for cultivating pachyrhizua angulatus on mudflat near sea |
| CN101940147A (en) * | 2010-09-29 | 2011-01-12 | 安茂生物科技有限公司 | Poplar tree cultivating method for improving saline-alkaline land |
| CN102422735A (en) * | 2011-09-16 | 2012-04-25 | 南通华林生物科技发展有限公司 | Ecological integrated improved facility and improving method for saline and alkaline land |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101243748A (en) * | 2008-03-07 | 2008-08-20 | 江苏道森生物化学有限公司 | Method for cultivating pachyrhizua angulatus on mudflat near sea |
| CN101940147A (en) * | 2010-09-29 | 2011-01-12 | 安茂生物科技有限公司 | Poplar tree cultivating method for improving saline-alkaline land |
| CN102422735A (en) * | 2011-09-16 | 2012-04-25 | 南通华林生物科技发展有限公司 | Ecological integrated improved facility and improving method for saline and alkaline land |
Non-Patent Citations (1)
| Title |
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| "盐碱地扦插造林土壤基质筛选研究";沈立铭等;《亚热带水土保持》;20140930;第26卷(第3期);第14-18页 * |
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