CN107646613B - Preparation method of matrix block suitable for turfgrass - Google Patents
Preparation method of matrix block suitable for turfgrass Download PDFInfo
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- CN107646613B CN107646613B CN201710961271.7A CN201710961271A CN107646613B CN 107646613 B CN107646613 B CN 107646613B CN 201710961271 A CN201710961271 A CN 201710961271A CN 107646613 B CN107646613 B CN 107646613B
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F3/00—Fertilisers from human or animal excrements, e.g. manure
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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Abstract
The invention relates to a preparation method of a matrix block suitable for turfgrass, which comprises the following steps: 1) carrying out high-temperature composting and decomposition on crop straws, crop chaffs and livestock and poultry manure; 2) crushing part of the crop chaff decomposed by the high-temperature compost by using a hammer crusher; 3) kneading the crop straws which are composted and decomposed at high temperature into filaments by using a straw filament kneading machine; 4) mixing and stirring uniformly the crop chaff decomposed by the high-temperature compost, the crushed crop chaff, the filamentous crop straw and the livestock and poultry manure; 5) and briquetting by using a hydraulic compressor, and drying to obtain the matrix block. The method has the advantages of simple process, small specific gravity of the matrix block, low cost, convenient transportation and construction management, and suitability for large-scale production.
Description
Technical Field
The invention relates to a preparation method of a matrix block suitable for turfgrass, and belongs to the technical field of resource utilization of agricultural wastes and matrix cultivation.
Background
China is a large country for agricultural and livestock and poultry industry production, resources such as crop straws, rice husks and livestock and poultry manure are rich, and how to dispose a large amount of crop straws, rice husks and livestock and poultry manure becomes a serious problem.
Along with the improvement of living standard of people, the greening requirements of living and public places are higher and higher, the requirements of road greening and roof greening are strong, the existing greening matrix is mostly made of powdered bulk materials compounded by peat soil, vermiculite, perlite and the like, the transportation and the transportation are inconvenient, the dust is larger in the using process, peat is non-renewable resources, and the cost of the compounded matrix is higher, so that the matrix block of the lawn grass which uses agricultural wastes, saves the cost, has light weight and is convenient to carry and construct is required to be researched and developed.
Disclosure of Invention
Based on the defects of the prior art, the invention provides the preparation method of the matrix block suitable for the turfgrass, the matrix block suitable for the root system growth of the turf is prepared by taking the rice husks, the crushed rice husks, the filamentous straws and the livestock and poultry manure as raw materials, and the preparation method has the advantages of simple process, small specific gravity, low cost, convenience in transportation and construction management and suitability for large-scale production.
In order to realize the purpose, the invention adopts the technical scheme that: a preparation method of a matrix block suitable for turfgrass is characterized by comprising the following steps: 1) carrying out high-temperature composting and decomposition on crop straws, crop chaffs and livestock and poultry manure; 2) crushing part of the crop chaff decomposed by the high-temperature compost by using a hammer crusher; 3) kneading the crop straws which are composted and decomposed at high temperature into filaments by using a straw filament kneading machine; 4) mixing and stirring uniformly the crop chaff decomposed by the high-temperature compost, the crushed crop chaff, the filamentous crop straw and the livestock and poultry manure; 5) and briquetting by using a hydraulic compressor, and drying to obtain the matrix block.
In the scheme, the crop straw is one or more than one mixture of rice straw, wheat straw and cotton straw, the crop chaff is rice husk, and the livestock and poultry manure is one or more than one mixture of pig manure, cow manure and chicken manure.
In the above scheme, the ratio of the crop straw, the crop chaff and the livestock and poultry manure is as follows: 20 to 30 percent of crop chaff, 30 to 40 percent of crushed crop chaff, 20 to 30 percent of crop straw and 15 to 20 percent of livestock and poultry manure.
In the scheme, in the step 1), the crop straws, the crop chaffs and the livestock and poultry manure are respectively and uniformly mixed with corresponding decomposed microbial inoculum, and are subjected to strip-stack composting, wherein the water content is adjusted to be between 40% and 60%, the carbon-nitrogen ratio is between 20 and 30, and the pH is between 6 and 8.
In the scheme, in the step 3), the length of the filamentous crop straw is 5-8 cm.
In the scheme, in the step 4), the water content is adjusted to be 20-30% after mixing and stirring, and the total porosity of the matrix is adjusted to be 55-70%.
In the scheme, in the step 5), the compression ratio of the matrix block is 3-5: 1.
the invention also provides a method for using the matrix block suitable for lawn grass, which comprises the steps of paving the matrix block on a planned greening area or a road isolation belt, paving turf and watering thoroughly.
In the above scheme, the specification of the substrate block includes two types: one is 24 × 12 × 6cm, and the other is 60 × 30 × 10 cm; when the substrate blocks are tiled, the distance between every two adjacent substrate blocks is 3-5 cm.
The invention has the beneficial effects that: (1) the invention makes the agricultural wastes after high-temperature composting into the substrate block for road greening and roof greening, changes the agricultural wastes into valuables, reduces the pollution of the agricultural wastes to the environment, can create new value and increases the income of farmers. (2) The filamentous straws with the length of 5-8 cm are woven in the matrix block in a staggered mode, and the crushing of the matrix block in the transportation and construction processes is effectively reduced. (3) Because the substrate block is formed by mixing, stirring and compressing the crop chaff, the crushed crop chaff, the filamentous crop straw and the livestock and poultry manure uniformly, different levels of ratios are formed, necessary nutrients are provided for the growth of lawn grass, meanwhile, the existence of the crop chaff enables the inside of the substrate block to have better gaps, the water retention and the air permeability are good, and rainwater can be well stored and nutrients can be well absorbed by crop roots.
Detailed Description
The method for preparing the substrate block suitable for the lawn grass comprises the following steps: 1) carrying out high-temperature composting and decomposition on crop straws, crop chaffs and livestock and poultry manure; the crop straw, the crop chaff and the livestock and poultry manure are prepared from the following components in percentage by weight: 20-30% of crop chaff, 30-40% of crushed crop chaff, 20-30% of crop straw and 15-20% of livestock and poultry manure, respectively and uniformly mixing the crop straw, the crop chaff and the livestock and poultry manure with corresponding decomposed microbial inoculum, performing strip-stack composting, adjusting the water content to be between 40-60%, adjusting the carbon-nitrogen ratio to be between 20-30 and adjusting the pH to be between 6-8. 2) Crushing part of the crop chaff decomposed by the high-temperature compost by using a hammer crusher; 3) kneading the crop straws which are composted and decomposed at high temperature into filaments by using a straw filament kneading machine; the length of the filamentous crop straw is 5-8 cm; 4) mixing and stirring uniformly the crop chaff decomposed by the high-temperature compost, the crushed crop chaff, the filamentous crop straw and the livestock and poultry manure; adjusting the water content to be 20-30% and the total porosity of the matrix to be 55-70%. 5) Pressing the substrate block by using a hydraulic compressor, wherein the compression ratio of the substrate block is 3-5: and 1, drying to obtain a matrix block.
Example 1: the matrix block suitable for turfgrass comprises the following raw materials in percentage by volume: 20% of rice hulls, 35% of crushed rice hulls, 30% of straws and 15% of livestock and poultry manure. The rice hulls, the straws and the livestock and poultry manure are respectively and uniformly mixed with corresponding decomposed microbial inoculum, the water content is adjusted to be between 40% and 60%, the carbon-nitrogen ratio is between 20 and 30, the pH value is between 6 and 8, and the strip-stack type high-temperature compost is decomposed. The preparation method of the matrix block suitable for the lawn grass comprises the following steps: 1) and crushing part of the rice hulls decomposed by the high-temperature compost by using a hammer mill. Pulverizing testa oryzae into powder. 2) Kneading the high-temperature compost decomposed straws into soft filaments by using a straw filament kneading machine. The length of the filamentous straw is 5-8 cm. 3) And (3) mixing and stirring the rice hulls, the crushed rice hulls, the filamentous straws and the livestock and poultry manure after the high-temperature compost is thoroughly decomposed, and adjusting the water content to 25%. The total porosity of the mixed matrix was 60%. Organic matter content 32%, EC value 0.92ms/cm, pH value 6.4, substrate physicochemical property suitable for crop growth 4) pressing into 24 × 12 × 6cm and 60 × 30 × 10cm substrate blocks by using a hydraulic compressor according to the compression ratio of 4:1, and drying to obtain the substrate blocks. In the embodiment, the obtained matrix block is light in weight, low in cost, rich in nutrition and convenient to carry and construct due to the size. Can be cut according to different requirements of road greening, roof greening and the like.
The application method of the substrate block suitable for the lawn grass comprises the following steps: 1) and (3) ground greening: tiling the matrix block in planning afforestation area or road median, keep interval 3 ~ 5cm (because the matrix block waters after enough water, can the inflation diverge, the volume increase, and the clearance is kept firstly for keeping the inflation space, secondly for saving the quantity relatively), tile the turf, water. 2) Greening the roof: tiling the matrix block in the roof planning afforestation area, keeping the interval 3 ~ 5cm (after the matrix block waters enough water, can expand and disperse, the volume increase, it is first in order to keep the inflation space to keep the clearance, and second is in order to save the quantity relatively), tiling the turf, water.
Example 2: the matrix block suitable for turfgrass comprises the following raw materials in percentage by volume: 25% of rice hulls, 35% of crushed rice hulls, 20% of straws and 20% of livestock and poultry manure. The rice hulls, the straws and the livestock and poultry manure are respectively and uniformly mixed with corresponding decomposed microbial inoculum, the water content is adjusted to be between 40% and 60%, the carbon-nitrogen ratio is between 20 and 30, the pH value is between 6 and 8, and the strip-stack type high-temperature compost is decomposed.
The preparation method of the matrix block suitable for the lawn grass comprises the following steps: 1) and crushing part of the rice hulls decomposed by the high-temperature compost by using a hammer mill. Pulverizing testa oryzae into powder. 2) Kneading the high-temperature compost decomposed straws into soft filaments by using a straw filament kneading machine. The length of the filamentous straw is 5-8 cm. 3) And (3) mixing and stirring the rice hulls, the crushed rice hulls, the filamentous straws and the livestock and poultry manure after the high-temperature compost is thoroughly decomposed, and adjusting the water content to 25%. The total porosity of the mixed matrix was 65%. The organic matter content is 40 percent, the EC value is 1.45 ms/cm, the pH value is 6.9, and the physicochemical property of the matrix is suitable for the growth of crops. 4) Pressing into 24 × 12 × 6cm and 60 × 30 × 10cm matrix blocks by using a hydraulic compressor according to the compression ratio of 4:1, and drying to obtain the matrix blocks. In the embodiment, the obtained matrix block is light in weight, low in cost, rich in nutrition and convenient to carry and construct due to the size. Can be cut according to different requirements of road greening, roof greening and the like.
The application method of the substrate block suitable for the lawn grass comprises the following steps: 1) and (3) ground greening: tiling the matrix block in planning afforestation area or road median, keep interval 3 ~ 5cm (after the matrix block waters enough water, can expand and disperse, the volume increase, it is first for keeping the inflation space to keep the clearance, secondly for saving the quantity relatively), tile the turf, water. 2) Greening the roof: tiling the matrix block in the roof planning afforestation area, keeping the interval 3 ~ 5cm (after the matrix block waters enough water, can expand and disperse, the volume increase, it is first in order to keep the inflation space to keep the clearance, and second is in order to save the quantity relatively), tiling the turf, water.
The following applications were made to the matrix blocks prepared by the above example methods, with the following results: test materials: purchased turf. The test method comprises the following steps: a substrate block pressed by rice husks, crushed rice husks, straws and livestock and poultry manure in a volume percentage of 20% (30%), 35% (30%), 30% (20%) and 15% (20%) is tiled, the spacing is 3-5 cm, the purchased lawn turf is tiled on the surface of the substrate block, and water is poured thoroughly. In the contrast group, the lawn grass is paved by taking the roof greening discrete matrix and the soil for landscaping as the matrix, and the lawn grass is watered thoroughly. The investigation method comprises the following steps: and carrying out morphological observation on the growth condition of the turfgrass every fifteen days on the basis of the color and the coverage density of the turfgrass. And (4) analyzing results: the color and density of the turf grass laid on the roof greening substrate of the control group according to the substrate blocks of the example 1 and the example 2 after the water is permeated, and the grass covered on the lawn grass 15 days and 30 days after the water is permeated, can be seen, the substrate blocks of the example 1 and the example 2 can completely replace the discrete substrate and the soil.
In conclusion, in the embodiment of the invention, through the operation steps of high-temperature composting of agricultural wastes, crushing of rice hulls, kneading of straws, adjustment of the moisture content of the substrate, compression of the substrate block and the like, the rice hulls, the crushed rice hulls, the straws accounting for 20% -30% and the livestock and poultry manure are made into the substrate block suitable for growth of roots of turfgrass.
The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by the design concept belong to the behavior of infringing the scope of the present invention.
Claims (3)
1. A preparation method of a matrix block suitable for turfgrass is characterized by comprising the following steps:
1) carrying out high-temperature composting and decomposition on crop straws, crop chaffs and livestock and poultry manure; uniformly mixing crop straws, crop chaffs and livestock and poultry manure with corresponding decomposed microbial inoculums respectively, performing strip-stack composting, and adjusting the water content to be between 40 and 60 percent, the carbon-nitrogen ratio to be between 20 and 30 and the pH to be between 6 and 8;
2) crushing part of the crop chaff decomposed by the high-temperature compost by using a hammer crusher;
3) kneading the crop straws which are composted and decomposed at high temperature into filaments by using a straw filament kneading machine; the length of the filamentous crop straw is 5-8 cm;
4) mixing and stirring uniformly the crop chaff decomposed by the high-temperature compost, the crushed crop chaff, the filamentous crop straw and the livestock and poultry manure; the volume ratio of the components of the crop straws, the crop chaffs and the livestock and poultry manure is as follows: 20 to 30 percent of crop chaff, 30 to 40 percent of crushed crop chaff, 20 to 30 percent of crop straw and 15 to 20 percent of livestock and poultry manure; after mixing and stirring, adjusting the water content to be 20-30% and the total porosity of the matrix to be 55-70%;
5) and briquetting by using a hydraulic compressor, and drying to obtain the matrix block.
2. The method for preparing a substrate block suitable for turfgrass as claimed in claim 1, wherein the crop straw is one or a mixture of two or more of rice straw, wheat straw and cotton straw, the crop chaff is rice hull, and the livestock and poultry manure is one or a mixture of two or more of pig manure, cow manure and chicken manure.
3. The method for preparing the matrix block suitable for the lawn grass according to claim 1 or 2, wherein in the step 5), the compression ratio of the matrix block is 3-5: 1.
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CN108934921A (en) * | 2018-08-23 | 2018-12-07 | 江西省农业科学院畜牧兽医研究所 | Method for producing trifolium repens soilless grass blanket by using cow dung and chemical fertilizer mixed matrix |
CN109328986A (en) * | 2018-09-12 | 2019-02-15 | 安徽多多利农业科技有限公司 | A method of organic culture substrate is prepared with sawdust-rice husk-straw decomposing fermentation |
CN110679401A (en) * | 2019-11-13 | 2020-01-14 | 江苏农林职业技术学院 | Indoor planting method for shading-resistant zoysia japonica lawn |
CN114762485A (en) * | 2021-01-13 | 2022-07-19 | 蓝星(北京)化工机械有限公司 | Method for restoring grassland vegetation in high-altitude area |
CN113303176A (en) * | 2021-05-24 | 2021-08-27 | 北京林业大学 | Turf block stacking method and application |
CN115843591B (en) * | 2022-11-29 | 2024-05-24 | 河北省农林科学院农业信息与经济研究所 | Cover material and method for improving soil fertility, reducing steam, saving water and preventing insects |
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