CN109095977A - A kind of preparation method of straw pulp biological mulch film - Google Patents
A kind of preparation method of straw pulp biological mulch film Download PDFInfo
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- CN109095977A CN109095977A CN201710466943.7A CN201710466943A CN109095977A CN 109095977 A CN109095977 A CN 109095977A CN 201710466943 A CN201710466943 A CN 201710466943A CN 109095977 A CN109095977 A CN 109095977A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protecting plants
- A01G13/02—Protective coverings for plants; Coverings for the ground; Devices for laying-out or removing coverings
- A01G13/0256—Ground coverings
- A01G13/0268—Mats or sheets, e.g. nets or fabrics
- A01G13/0275—Films
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Environmental Sciences (AREA)
- Protection Of Plants (AREA)
- Pretreatment Of Seeds And Plants (AREA)
Abstract
The present invention provides a kind of preparation methods of straw pulp biological mulch film, using agricultural crop straw or herbage as raw material, pulverization process and after adding the agricultural water-loss reducer and corresponding fertilizer etc. of proper proportion, formed a kind of slurry particles be evenly distributed, the good suspended liquid straw pulp of rheological property.After straw pulp spraying is covered on soil surface, straw pulp film is formed to inhibit moisture loss in earth's surface；Under the action of microorganism expands numerous in straw pulp raw material simultaneously, earth's surface straw pulp film can form one layer of straw pulp biological breadcrust, inhibit the moisture loss in soil.Straw pulp biomembrane realizes scattering and disappearing for comprehensive inhibition soil moisture in the case where straw pulp itself physical and chemical effect and microorganism expand numerous effect, has achieved the effect that soil water-retaining preserves soil moisture.In straw pulp mulch film using in validity period, compared with the farmland of normal farming, soil average moisture content increases by 2% or more；It is originally about 400 yuan/hm by the straw pulp mulch film material assembly of raw material of crop material2, straw pulp mulch film service life is 40~50 days.
Description
Technical field
The present invention relates to a kind of preparation methods of straw pulp biological mulch film.
Background technique
Plastic film can realize greatly improving for grain yield, therefore in recent years, plastics while water conservation and moisture-holding
Mulch is always most important agricultural water conservation Water-retaining Measure to preferable application effect and cost performance.
But there are the prominent disadvantages such as environmental pollution for plastic film, by the application of many years, the potential hazard of plastic film
Gradually display.As the remaining plastic film fragment in field causes soil physico-chemical property to deteriorate, at the same to underground water and
Surrounding enviroment bring pollution, and the high energy consumption of production mulch, thus bring a series of societies and environmental problem；In addition plastics
Mulch price rises year by year, so that production cost increases, so that the contradiction day between plastic film application and sustainable development
Benefit is prominent, so that the research of conventional plastic mulch substitute becomes the hot spot of scientific research in the world.Develop plastic film
Substitute, be allowed to efficient, environmentally friendly, have become the inexorable trend in world agriculture development process from now on.
Extensive research is carried out to this problem both at home and abroad at present, various new mulch product occurred already, although kind
Class multiplicity, but it is broadly divided into degradation plastic mulch, chemical industry synthesis type degradative membrane and plant fiber mulch three categories.It is degradable
Degradable substance is mainly added in plastic film in plastic film, but the parts of plastics of this mulch only changes its shape
And its decomposability is improved, the fragment of plastic film still exists in field, still falls within non-fully degradative plastic film, cannot thoroughly eliminate
Environmental pollution；Chemical industry synthesis type degradative membrane mostly be in the molecular structure introduce can be decomposed by the microorganisms ester group structure such as polyester,
Polyglycolic acid, polylactic acid, polyvinyl alcohol etc., although environmental pollution is small, using effect is also preferable, and production cost is high to push away it
Extensively using extremely limited.
Plant fiber mulch is at present using more in production.It is using plant fiber as raw material, at suitably processing
Mulch made of managing, the spy because its material source is extensive, and with good biodegradability, the feature of environmental protection and fertilizing soil
Property, so plant fiber mulch becomes the important trend of mulch in future development, such as flaxen fiber mulch, plant fiber mat, paper mulch
With straw pulp mulch film etc., flaxen fiber mulch, plant fiber mat, paper mulch use cost are preferable, using also than relatively limited, and straw pulp
Film be into a kind of in the past few years emerging plant fiber film, mainly by the stalks such as straw, herbage, straw or plant residue,
Wear into straw pulp using pulper, mulch use be made after additive is added, straw pulp mulch film material source is extensive, use cost compared with
It is low, it is not limited by landform in use process, meets environmentally friendly, practical function, cost in domestic and international plant fiber mulch development
It is lower convenient for promote three it is big require, but its water-retaining property extends at any time, water retention property lowers quickly, thus straw pulp mulch film is answered
It need further to verify with development.
How on the basis of ensuring that use cost is cheap and has certain water retention property, extend the water-retaining property of straw pulp mulch film
The energy duration, it is urgent problem to be solved in current straw pulp mulch film development process, improves straw pulp using the skinning of microorganism
The duration of mulch water retention property, it is possible to as one of the approach solved the problems, such as.
Summary of the invention
According to the development trend of ecological, environmental protective from now on, technical application, low-cost film-mulching technique, and current west
The condition of production that strawberry physiological disease caused by hiding soil magnesium deficiency takes place frequently, when continuing for straw pulp mulch film use process water retention property
Between limited technical problem, examined by previous several years pilot study and field trial, the present invention provide it is a kind of have it is good
The preparation method of Water-saving effect and long-term Tibet strawberry tailored version straw pulp mulch film.The present invention is with agricultural crop straw
Raw material, after crushing, addition microorganism expands numerous required nutriment, after fermentation of the certain time at a temperature of, and adds
After the agricultural water-loss reducer of proper proportion, thickener and corresponding fertilizer, formed a kind of slurry particles be evenly distributed, rheological property it is good
Suspended liquid straw pulp, straw pulp spraying is then covered on soil surface, straw pulp forms straw pulp film in earth's surface to inhibit moisture
, can also be under the action of microorganism expand numerous in straw pulp raw material while scattering and disappearing, the straw pulp film of earth's surface forms one layer of straw pulp biology
Skinning, to inhibit the moisture loss in soil, so that straw pulp biomembrane expands numerous effect in straw pulp itself physical and chemical effect and microorganism
Under, it realizes scattering and disappearing for comprehensive inhibition soil moisture, has achieved the effect that soil water-retaining preserves soil moisture.
A kind of preparation method of straw pulp biological mulch film, step and condition are as follows: (1) with dry agricultural crop straw, preferably
The stalks such as corn or wheat；Or dry herbage is raw material, is crushed, and crosses 50~80 meshes, obtains part material powder；(2) by forest land
Interior aging timber residuum crushes after natural air drying, crosses 100~150 meshes, obtains part material powder；(3) by agricultural crop straw
Raw material powder and aging timber residuum raw material powder after mixing, obtain raw material powder；Addition accounts for raw material silty amount 0.01% again
White sugar and the starch (or crossing the maize flour after 50~80 meshes) for accounting for raw material silty amount 0.1%, and account for raw material silty amount 0.1%
Magnesium sulfate；(4) by above-mentioned raw materials powder and with white sugar, starch (or crossing maize flour after 50~80 meshes), and account for raw material powder
The pulverulent mixture of the magnesium sulfate of quality 0.1%, is put into container, adds water and stirs, and water is not to pulverulent mixture is crossed, then
Sealing container is fermented 20~30 days at 25~30 DEG C；(4) pulverulent mixture slurries are added into 10 times of volumes using preceding
Clear water, and add and account for the agricultural water-loss reducer of raw material silty amount 0.1% and account for the urea of raw material powder 1%, and addition accounts for raw material powder
The magnesium sulfate of quality 1%；It stirs evenly, obtains a kind of slurry of straw pulp mulch film, it is spare；(5) slurry of straw pulp mulch film is put into
In liquid spraying seed machine, liquid spraying seed machine sprays the slurry of straw pulp mulch film to earth's surface, forms one layer of straw pulp mulch film.
The coating thickness of straw pulp mulch film can be grasped voluntarily；During sowing grass seeds by duster, the slurry of straw pulp mulch film will be stirred ceaselessly
It mixes.
Beneficial effect
A kind of preparation method of straw pulp biological mulch film, using agricultural crop straw or herbage as raw material, pulverization process is simultaneously added suitable
After the fermentation substrate, dedicated fertilizer, agricultural water-loss reducer of ratio, formed a kind of slurry particles be evenly distributed, rheological property it is good
Suspended liquid straw pulp mulch film slurry, the painting of the pulp spraying of straw pulp mulch film is then covered on soil surface, in soil surface shape
While at straw pulp mulch film, the microorganism in straw pulp raw material in aging timber residuum starts breeding and forms biological breadcrust, raw
Object skinning has preferable Water-saving effect, and the formation of biological breadcrust also extends the Water-saving effect action time of straw pulp biomembrane.
Straw pulp biological mulch film relies primarily on the physics of straw pulp raw material early period and chemical action forms straw pulp film to inhibit moisture loss, later period
It relies primarily on microbial reproduction in straw pulp mulch film and acts on the biological breadcrust to be formed to inhibit moisture loss, reach soil water-retaining soil moisture conservation
Effect.
The main component of straw pulp mulch film is crop material and agricultural fertilizer, can increase soil fertility after decomposition.In straw pulp
Mulch is using in validity period, and compared with the farmland of normal farming, soil average moisture content increases by 2% or more；It is with crop material
The straw pulp mulch film material assembly of raw material is originally about 400 yuan/hm2, well below 3000 yuan/hm of plastic film2Material cost, can
See straw pulp mulch film Water-saving effect is preferable, in the extensive situation of material source, use has obvious in cost and in environmental protection
Advantage.Straw pulp mulch film service life is 40~50 days.In addition, the primary raw material of preparation straw pulp mulch film: crop material powder, only
It to be saved under drying, the normal temperature laboratory without roof leaking, the ingredients such as other magnesium sulfate, urea are according under its specification room temperature
It is sealed.
Specific embodiment
A kind of preparation method of the straw pulp biological mulch film of embodiment 1, step and condition are as follows: (1) with dry corn stover
It for base stock, crushes, crosses 50~80 meshes, obtain part material powder；(2) by the aging timber residuum in forest land, natural wind
It is crushed after dry, crosses 100~150 meshes, obtain part material powder；(3) agricultural crop straw raw material powder and aging timber residuum is former
Feed powder after mixing, obtains raw material powder；Addition accounts for the white sugar of raw material silty amount 0.01% and accounts for raw material silty amount 0.1% again
Starch (or crossing maize flour after 50~80 meshes), and account for the magnesium sulfate of raw material silty amount 0.1%；(4) by above-mentioned raw materials
Powder and with white sugar, starch (or crossing maize flour after 50~80 meshes), and account for the powdery of the magnesium sulfate of raw material silty amount 0.1%
Mixture is put into container, is added water and stirred, and water is not to pulverulent mixture is crossed, and then sealing container, issues at 25~30 DEG C
Ferment 20~30 days；(4) it using the preceding clear water that pulverulent mixture slurries are added to 10 times of volumes, and adds and accounts for raw material silty amount
0.1% agricultural water-loss reducer and the urea for accounting for raw material powder 1%, and addition account for the magnesium sulfate of raw material silty amount 1%；Stirring is equal
It is even, a kind of slurry of straw pulp mulch film is obtained, it is spare；(5) slurry of straw pulp mulch film is put into liquid spraying seed machine, liquid spraying seed machine
The slurry of straw pulp mulch film is sprayed to earth's surface, forms one layer of straw pulp mulch film after dry；The coating thickness of straw pulp mulch film can be grasped voluntarily；
During sowing grass seeds by duster, the slurry of straw pulp mulch film will be stirred ceaselessly.
A kind of preparation method of the straw pulp biological mulch film of embodiment 2, step and condition are as follows: (1) with dry rice straw
It for base stock, crushes, crosses 50~80 meshes, obtain part material powder；(2) by the aging timber residuum in forest land, natural wind
It is crushed after dry, crosses 100~150 meshes, obtain part material powder；(3) agricultural crop straw raw material powder and aging timber residuum is former
Feed powder after mixing, obtains raw material powder；Addition accounts for the white sugar of raw material silty amount 0.01% and accounts for raw material silty amount 0.1% again
Starch (or crossing maize flour after 50~80 meshes), and account for the magnesium sulfate of raw material silty amount 0.1%；(4) by above-mentioned raw materials
Powder and with white sugar, starch (or crossing maize flour after 50~80 meshes), and account for the powdery of the magnesium sulfate of raw material silty amount 0.1%
Mixture is put into container, is added water and stirred, and water is not to pulverulent mixture is crossed, and then sealing container, issues at 25~30 DEG C
Ferment 20~30 days；(4) it using the preceding clear water that pulverulent mixture slurries are added to 10 times of volumes, and adds and accounts for raw material silty amount
0.1% agricultural water-loss reducer and the urea for accounting for raw material powder 1%, and addition account for the magnesium sulfate of raw material silty amount 1%；Stirring is equal
It is even, a kind of slurry of straw pulp mulch film is obtained, it is spare；(5) slurry of straw pulp mulch film is put into liquid spraying seed machine, liquid spraying seed machine
The slurry of straw pulp mulch film is sprayed to earth's surface, forms one layer of straw pulp mulch film after dry；The coating thickness of straw pulp mulch film can be grasped voluntarily；
During sowing grass seeds by duster, the slurry of straw pulp mulch film will be stirred ceaselessly.
A kind of preparation method of the straw pulp biological mulch film of embodiment 3, step and condition are as follows: (1) with dry wheat stalk
It for base stock, crushes, crosses 50~80 meshes, obtain part material powder；(2) by the aging timber residuum in forest land, natural wind
It is crushed after dry, crosses 100~150 meshes, obtain part material powder；(3) agricultural crop straw raw material powder and aging timber residuum is former
Feed powder after mixing, obtains raw material powder；Addition accounts for the white sugar of raw material silty amount 0.01% and accounts for raw material silty amount 0.1% again
Starch (or crossing maize flour after 50~80 meshes), and account for the magnesium sulfate of raw material silty amount 0.1%；(4) by above-mentioned raw materials
Powder and with white sugar, starch (or crossing maize flour after 50~80 meshes), and account for the powdery of the magnesium sulfate of raw material silty amount 0.1%
Mixture is put into container, is added water and stirred, and water is not to pulverulent mixture is crossed, and then sealing container, issues at 25~30 DEG C
Ferment 20~30 days；(4) it using the preceding clear water that pulverulent mixture slurries are added to 10 times of volumes, and adds and accounts for raw material silty amount
0.1% agricultural water-loss reducer and the urea for accounting for raw material powder 1%, and addition account for the magnesium sulfate of raw material silty amount 1%；Stirring is equal
It is even, a kind of slurry of straw pulp mulch film is obtained, it is spare；(5) slurry of straw pulp mulch film is put into liquid spraying seed machine, liquid spraying seed machine
The slurry of straw pulp mulch film is sprayed to earth's surface, forms one layer of straw pulp mulch film after dry；The coating thickness of straw pulp mulch film can be grasped voluntarily；
During sowing grass seeds by duster, the slurry of straw pulp mulch film will be stirred ceaselessly.
A kind of preparation method of the straw pulp biological mulch film of embodiment 4, step and condition are as follows: (1) using dry culm as base
This raw material crushes, and crosses 50~80 meshes, obtains part material powder；(2) by the aging timber residuum in forest land, after natural air drying
It crushes, crosses 100~150 meshes, obtain part material powder；(3) by agricultural crop straw raw material powder and aging timber residuum raw material powder
After mixing, raw material powder is obtained；Addition accounts for the white sugar of raw material silty amount 0.01% and accounts for the shallow lake of raw material silty amount 0.1% again
Powder (or crossing the maize flour after 50~80 meshes), and account for the magnesium sulfate of raw material silty amount 0.1%；(4) by above-mentioned raw materials powder and
With white sugar, starch (or cross 50~80 meshes after maize flour), and account for raw material silty amount 0.1% magnesium sulfate powdery mixing
Object is put into container, is added water and stirred, and water is not to crossing pulverulent mixture, then sealing container, ferments 20 at 25~30 DEG C
~30 days；(4) it using the preceding clear water that pulverulent mixture slurries are added to 10 times of volumes, and adds and accounts for raw material silty amount
0.1% agricultural water-loss reducer and the urea for accounting for raw material powder 1%, and addition account for the magnesium sulfate of raw material silty amount 1%；Stirring is equal
It is even, a kind of slurry of straw pulp mulch film is obtained, it is spare；(5) slurry of straw pulp mulch film is put into liquid spraying seed machine, liquid spraying seed machine
The slurry of straw pulp mulch film is sprayed to earth's surface, forms one layer of straw pulp mulch film after dry；The coating thickness of straw pulp mulch film can be grasped voluntarily；
During sowing grass seeds by duster, the slurry of straw pulp mulch film will be stirred ceaselessly.
Claims (4)
1. a kind of preparation method of straw pulp biological mulch film, it is characterised in that step and condition are as follows: (1) with dry corn stalk
Stalk is base stock, is crushed, and crosses 50~80 meshes, obtains part material powder；(2) natural by the aging timber residuum in forest land
It is crushed after air-drying, crosses 100~150 meshes, obtain part material powder；(3) by agricultural crop straw raw material powder and aging timber residuum
Raw material powder after mixing, obtains raw material powder；Addition accounts for the white sugar of raw material silty amount 0.01% and accounts for raw material silty amount again
0.1% starch (or crossing the maize flour after 50~80 meshes), and account for the magnesium sulfate of raw material silty amount 0.1%；It (4) will be above-mentioned
Raw material powder and with white sugar, starch (or crossing maize flour after 50~80 meshes), and account for the magnesium sulfate of raw material silty amount 0.1%
Pulverulent mixture is put into container, is added water and stirred, water to no mistake pulverulent mixture, then sealing container, at 25~30 DEG C
Lower fermentation 20~30 days；(4) it using the preceding clear water that pulverulent mixture slurries are added to 10 times of volumes, and adds and accounts for raw material powder
The agricultural water-loss reducer of quality 0.1% and the urea for accounting for raw material powder 1%, and addition account for the magnesium sulfate of raw material silty amount 1%；Stirring
Uniformly, a kind of slurry of straw pulp mulch film is obtained, it is spare；(5) slurry of straw pulp mulch film is put into liquid spraying seed machine, liquid spraying seed
Machine sprays the slurry of straw pulp mulch film to earth's surface, forms one layer of straw pulp mulch film after dry；The coating thickness of straw pulp mulch film can be slapped voluntarily
It holds；During sowing grass seeds by duster, the slurry of straw pulp mulch film will be stirred ceaselessly.
2. a kind of preparation method of straw pulp biological mulch film as described in claim 1, it is characterised in that step and condition are as follows:
(1) it using dry rice straw as base stock, crushes, crosses 50~80 meshes, obtain part material powder；It (2) will be in forest land
Aging timber residuum crushes after natural air drying, crosses 100~150 meshes, obtains part material powder；(3) by agricultural crop straw raw material
Powder and aging timber residuum raw material powder after mixing, obtain raw material powder；Addition accounts for the white sugar of raw material silty amount 0.01% again
Starch (or crossing maize flour after 50~80 meshes) with raw material silty amount 0.1% is accounted for, and accounts for the sulphur of raw material silty amount 0.1%
Sour magnesium；(4) by above-mentioned raw materials powder and with white sugar, starch (or crossing maize flour after 50~80 meshes), and account for raw material silty amount
The pulverulent mixture of 0.1% magnesium sulfate, is put into container, adds water and stirs, then water is sealed to pulverulent mixture is not crossed
Container ferments 20~30 days at 25~30 DEG C；(4) pulverulent mixture slurries are added into the clear of 10 times of volumes using preceding
Water, and add and account for the agricultural water-loss reducer of raw material silty amount 0.1% and account for the urea of raw material powder 1%, and addition accounts for raw material silty
The magnesium sulfate of amount 1%；It stirs evenly, obtains a kind of slurry of straw pulp mulch film, it is spare；(5) slurry of straw pulp mulch film is put into liquid
In body hydroseeder, liquid spraying seed machine sprays the slurry of straw pulp mulch film to earth's surface, forms one layer of straw pulp mulch film after dry；Straw pulp mulch film
Coating thickness can voluntarily grasp；During sowing grass seeds by duster, the slurry of straw pulp mulch film will be stirred ceaselessly.
3. a kind of preparation method of straw pulp biological mulch film as described in claim 1, it is characterised in that step and condition are as follows:
(1) it using dry wheat stalk as base stock, crushes, crosses 50~80 meshes, obtain part material powder；It 2) will be old in forest land
Rotten wood material residuum crushes after natural air drying, crosses 100~150 meshes, obtains part material powder；(3) by agricultural crop straw raw material powder
After mixing with aging timber residuum raw material powder, raw material powder is obtained；Again addition account for raw material silty amount 0.01% white sugar and
The starch (or crossing the maize flour after 50~80 meshes) of raw material silty amount 0.1% is accounted for, and accounts for the sulfuric acid of raw material silty amount 0.1%
Magnesium；(4) by above-mentioned raw materials powder and with white sugar, starch (or crossing maize flour after 50~80 meshes), and account for raw material silty amount
The pulverulent mixture of 0.1% magnesium sulfate, is put into container, adds water and stirs, then water is sealed to pulverulent mixture is not crossed
Container ferments 20~30 days at 25~30 DEG C；(4) pulverulent mixture slurries are added into the clear of 10 times of volumes using preceding
Water, and add and account for the agricultural water-loss reducer of raw material silty amount 0.1% and account for the urea of raw material powder 1%, and addition accounts for raw material silty
The magnesium sulfate of amount 1%；It stirs evenly, obtains a kind of slurry of straw pulp mulch film, it is spare；(5) slurry of straw pulp mulch film is put into liquid
In body hydroseeder, liquid spraying seed machine sprays the slurry of straw pulp mulch film to earth's surface, forms one layer of straw pulp mulch film after dry；Straw pulp mulch film
Coating thickness can voluntarily grasp；During sowing grass seeds by duster, the slurry of straw pulp mulch film will be stirred ceaselessly.
4. a kind of preparation method of straw pulp biological mulch film as described in claim 1, it is characterised in that step and condition are as follows:
(1) it using dry culm as base stock, crushes, crosses 50~80 meshes, obtain part material powder；It (2) will be aging in forest land
Timber residuum crushes after natural air drying, crosses 100~150 meshes, obtains part material powder；(3) by agricultural crop straw raw material powder with
Aging timber residuum raw material powder after mixing, obtains raw material powder；Addition accounts for the white sugar of raw material silty amount 0.01% and accounts for again
The starch (or crossing the maize flour after 50~80 meshes) of raw material silty amount 0.1%, and account for the sulfuric acid of raw material silty amount 0.1%
Magnesium；(4) by above-mentioned raw materials powder and with white sugar, starch (or crossing maize flour after 50~80 meshes), and account for raw material silty amount
The pulverulent mixture of 0.1% magnesium sulfate, is put into container, adds water and stirs, then water is sealed to pulverulent mixture is not crossed
Container ferments 20~30 days at 25~30 DEG C；(4) pulverulent mixture slurries are added into the clear of 10 times of volumes using preceding
Water, and add and account for the agricultural water-loss reducer of raw material silty amount 0.1% and account for the urea of raw material powder 1%, and addition accounts for raw material silty
The magnesium sulfate of amount 1%；It stirs evenly, obtains a kind of slurry of straw pulp mulch film, it is spare；(5) slurry of straw pulp mulch film is put into liquid
In body hydroseeder, liquid spraying seed machine sprays the slurry of straw pulp mulch film to earth's surface, forms one layer of straw pulp mulch film after dry；Straw pulp mulch film
Coating thickness can voluntarily grasp；During sowing grass seeds by duster, the slurry of straw pulp mulch film will be stirred ceaselessly.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113773156A (en) * | 2021-09-06 | 2021-12-10 | 北京航天恒丰科技股份有限公司 | Biological crust composition for rock slope |
| CN113943581A (en) * | 2021-09-06 | 2022-01-18 | 北京航天恒丰科技股份有限公司 | Application of biological skinning composition to rock slope |
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