CN110249875A - A kind of environment-friendly type covering material and its application method for inhibiting moisture evaporation for Arid&semi-arid area - Google Patents
A kind of environment-friendly type covering material and its application method for inhibiting moisture evaporation for Arid&semi-arid area Download PDFInfo
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- CN110249875A CN110249875A CN201910656596.3A CN201910656596A CN110249875A CN 110249875 A CN110249875 A CN 110249875A CN 201910656596 A CN201910656596 A CN 201910656596A CN 110249875 A CN110249875 A CN 110249875A
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- arid
- covering material
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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
- A01G13/0262—Mulches, i.e. covering material not-pre-formed in mats or sheets
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/52—Mulches
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Environmental Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Fertilizers (AREA)
Abstract
The present invention discloses a kind of environment-friendly type covering material and its application method for inhibiting moisture evaporation for Arid&semi-arid area, primary raw material is water-soluble polylactic resin, it is added to the table chemical fertilizer of compounding, not only increase the water solubility of resin, and while solving water conservation, solve the problem of fertilization of crop, the covering material of powdery is dissolved in the water prepare mass percent concentration be 0.5-0.8% aqueous solution be uniformly sprinkled upon farmland surface, form three-dimensional netted cross-linked layer, the very thin purpose for preventing evaporation layer from playing water-retaining effect is formed in upper soll layer, the effect of having both fertilising simultaneously;The raw materials such as polylactic acid and other raw materials belong to green material, can it is degradable the 8-12 middle of the month be nontoxic small molecule material, remained without micro- plastics, safety and environmental protection, environmental sound is low in cost.
Description
Technical field
The present invention relates to agricultural productions, and in particular to a kind of to inhibit moisture to evaporate for Arid&semi-arid area
Environment-friendly type covering material and its application method.
Background technique
The agriculture producing region in the north of China, facing maximum problem is exactly water shortage.Water shortage is first is that rainwater is few;Two are a lack of effectively
Water source;Third is that evaporation capacity is too big, often evaporation capacity is greater than rainfall, leads to arid, the ecosystem of this part is very fragile.
Agricultural production is hovered in low-level for a long time.Due to 1/5th for possessing water per capita and there was only the world of our countries, belong to
Poor-water country.The water shortage problem of arid area is cracked, most real, least cost is exactly to reduce volatile quantity.
Traditional method for preventing moisture from evaporating is covering mulch, and polyethylene ground film is as a kind of important means of agricultural production, for north
The grain yield increase of side has served very big.But it due to the non-biodegradable of polyethylene ground film, is brought after use
Serious future trouble, one is observable mulch residual, second is that invisible micro- plastics problem, third is that still having in farmland invisible
Chemical substance-plasticizer of being always or usually as specified.The residual of recycled plastic film although government tries every possible means, is limited by cost and technology, mesh
It is preceding thorough to solve the problems, such as mulch film residues not no good method substantially.
Future continues to use polyethylene ground film, and micro- plastics that polyethylene ground film is formed first can step into following for living nature
Ring, following environmental risk can not temporarily be assessed, second is that as micro- plastics are in continuous accumulation in farmland, it is likely that cause soil
Discarded, arable land will gradually lose farming value.Mulch film residues problem is not only concerning the Food Security and country for arriving country
Strategic security problem, also concerning to national future.
Summary of the invention
Of the existing technology in order to solve the problems, such as, it is an object of that present invention to provide a kind of low in cost, preparation simplicity
For the environment-friendly type covering material and its application method for inhibiting moisture evaporation of Arid&semi-arid area, have after covering material use
There is the effect of soil moisture conservation and fertilising, kills two birds with one stone, effectively reduce the usage amount and cost of chemical fertilizer, can be degradable, to environment
It is nontoxic.
To achieve the above object, the technical solution adopted by the present invention is that:
A kind of environment-friendly type covering material for inhibiting moisture evaporation for Arid&semi-arid area, formula includes will be water-soluble
The polylactic resin of property, the chemical fertilizer of resin quality 200ppm-2000ppm, the surface-active of resin quality 0.05-0.8%
Agent, the fungicide of resin quality 50ppm, the defoaming agent of resin quality 60ppm;
By above-mentioned each component high-temperature mixing, smashing and grinding to granularity obtains the covering material of powdery below 200 mesh.
Further, the chemical fertilizer is ammonium carbonate, ammonium nitrate, urea, phosphate or its mixture.
Further, the chemical cross-linking agent is tertiary amine.
Further, the surfactant include lauryl sodium sulfate, neopelex, glycine betaine or its
Mixture.
Further, the fungicide is sodium benzoate or quaternary ammonium salt fungicide.
Further, described is dimethicone.
A kind of environment-friendly type covering material application method inhibiting moisture evaporation for Arid&semi-arid area, by covering for powdery
Cover material be dissolved in the water prepare mass percent concentration be 0.5-0.8% aqueous solution be uniformly sprinkled upon farmland surface, thickness
Control forms three-dimensional netted cross-linked layer in farmland surface in 0.2-0.8mm, realizes water-retaining effect to soil.
The environment-friendly type covering material that inhibits moisture evaporation of the present invention for Arid&semi-arid area, is formulated primary raw material
It is water-soluble polylactic resin, is added to the surfactant of compounding, increases solubility of the polylactic resin in water, make
Must cover also has preferable solubility at low temperature, is added to the table chemical fertilizer of compounding, not only increases the water solubility of resin, and
And while solving water conservation, the problem of fertilization of crop is solved, nontoxic chemical cross-linking agent is added to, in order in resin point
Increase adhesiveness between son between soil, reduce the degradation speed of resin, extended validity period, be added to chemical bactericide,
Increase the storage time of substance, and her validity period can be extended to the degradation speed for effectively reducing resin.
The covering material of powdery is dissolved in the water, and it is uniform to prepare the aqueous solution that mass percent concentration is 0.5-0.8%
It is sprinkled upon farmland surface, thickness control forms a three-dimensional netted cross-linked layer in 0.2-0.8mm or so, on the surface in farmland,
Upper soll layer, which is formed, very thin prevents evaporation layer.The formula is mainly used in the soil in Arid&semi-arid area rural area field, rises
To the purpose of water-retaining effect, while the effect of have both fertilising, the Water-saving effect and fertilising efficiency of dry farmland are improved, it is effective to drop
The construction cost of low agricultural.And the raw materials such as polylactic acid used and other raw materials belong to green material, it can be at 8-12 months
In it is degradable be nontoxic small molecule material, remained without micro- plastics, safety and environmental protection, environmental sound is low in cost.
Specific embodiment
Present invention is further described in detail combined with specific embodiments below, but not as a limitation of the invention.
Embodiment 1
100 units of water-soluble polylactic resin powder are weighed, the 400ppm of polylactic resin quality is then added
Chemical fertilizer, they may be ammonium carbonate, ammonium nitrate perhaps urea and phosphate or their mixture, by the above object
Matter high-temperature mixing is prepared as the substance of instant capacity.Then by the mixed surfactant of resin quality 0.05%, dodecyl sulphur
Sour sodium, neopelex perhaps glycine betaine or their mixture, is sufficiently mixed, stirs evenly, and 50ppm is added
Sodium benzoate be fungicide, the defoaming agent dimethicone of 60ppm is added, tertiary amine is then added as chemical cross-linking agent,
The above ingredient is dissolved in the water, then it is uniformly sprayed on farmland by the aqueous solution that preparation mass concentration is 0.5-0.8%
Surface, thickness control form a three-dimensional structure in 0.2-0.8mm, in soil surface;The surface layer can be formed one it is very thin
Prevent evaporation layer.This, which prevents evaporation layer not only, has the effect of the moisturizing that preserves soil moisture, and has both fertilising effect, less than effective drop
The construction cost in low farmland, and saved the usage amount of chemical fertilizer.
Embodiment 2
100 units of water-soluble polylactic resin powder are weighed, the 200ppm of polylactic resin quality is then added
Chemical fertilizer, they may be ammonium carbonate, ammonium nitrate perhaps urea and phosphate or their mixture, by the above object
Matter high-temperature mixing is prepared as the substance of instant capacity.Then by the mixed surfactant of resin quality 0.8%, dodecyl sulphur
Sour sodium, neopelex perhaps glycine betaine or their mixture, is sufficiently mixed, stirs evenly, and 50ppm is added
Quaternary ammonium salt fungicide, the defoaming agent dimethicone of 60ppm is added, then be added tertiary amine be used as chemical cross-linking agent, general
The above ingredient is dissolved in the water, then it is uniformly sprayed on farmland surface by the aqueous solution that preparation mass concentration is 0.5%,
Thickness control forms a three-dimensional structure in 0.2-0.8mm, in soil surface;The surface layer can form one and very thin prevent
Evaporation layer.This prevents evaporation layer not only and has the effect of the moisturizing that preserves soil moisture, and has both fertilising effect, less than effectively reducing farmland
Construction cost, and saved the usage amount of chemical fertilizer.
Embodiment 3
100 units of water-soluble polylactic resin powder are weighed, the 2000ppm of polylactic resin quality is then added
Chemical fertilizer, they may be ammonium carbonate, ammonium nitrate perhaps urea and phosphate or their mixture, by the above object
Matter high-temperature mixing is prepared as the substance of instant capacity.Then by the mixed surfactant of resin quality 0.15%, dodecyl sulphur
Sour sodium, neopelex perhaps glycine betaine or their mixture, is sufficiently mixed, stirs evenly, and 50ppm is added
Hydrogen peroxide as fungicide, the defoaming agent dimethicone of 60ppm is added, tertiary amine is then added as chemical cross-linking agent,
The above ingredient is dissolved in the water, then it is uniformly sprayed on farmland table by the aqueous solution that preparation mass concentration is 0.8%
Face, thickness control form a three-dimensional structure in 0.2-0.8mm, in soil surface;The surface layer can be formed one it is very thin
Prevent evaporation layer.This prevents evaporation layer not only and has the effect of the moisturizing that preserves soil moisture, and has both fertilising effect, less than effectively reducing
The construction cost in farmland, and saved the usage amount of chemical fertilizer.
Finally it should be noted that: the above examples are only used to illustrate the technical scheme of the present invention rather than its limitations, to the greatest extent
Pipe is described the invention in detail referring to above-described embodiment, it should be understood by those ordinary skilled in the art that: still may be used
With modifications or equivalent substitutions are made to specific embodiments of the invention, and repaired without departing from any of spirit and scope of the invention
Change or equivalent replacement, should all cover in present claims range.
Claims (7)
1. a kind of environment-friendly type covering material for inhibiting moisture evaporation for Arid&semi-arid area, it is characterised in that: it is formulated
Including by water-soluble polylactic resin, the chemical fertilizer of resin quality 200ppm-2000ppm, resin quality 0.05-0.8%
Surfactant, the fungicide of resin quality 50ppm, the defoaming agent of resin quality 60ppm;
By water-soluble polylactic resin high-temperature mixing, it is mixed that chemical fertilizer, surfactant, fungicide, defoaming agent is then added
It closes uniformly smashing and grinding to granularity and obtains the covering material of powdery below 200 mesh.
2. the environment-friendly type covering material according to claim 1 that inhibit moisture evaporation for Arid&semi-arid area,
Be characterized in that: the chemical fertilizer is ammonium carbonate, ammonium nitrate, urea, phosphate or its mixture.
3. the environment-friendly type covering material according to claim 1 that inhibit moisture evaporation for Arid&semi-arid area,
Be characterized in that: the chemical cross-linking agent is tertiary amine.
4. the environment-friendly type covering material according to claim 1 that inhibit moisture evaporation for Arid&semi-arid area,
Be characterized in that: the surfactant includes lauryl sodium sulfate, neopelex, glycine betaine or its mixing
Object.
5. the environment-friendly type covering material according to claim 1 that inhibit moisture evaporation for Arid&semi-arid area,
Be characterized in that: the fungicide is sodium benzoate or quaternary ammonium salt fungicide.
6. the environment-friendly type covering material according to claim 1 that inhibit moisture evaporation for Arid&semi-arid area,
Be characterized in that: the defoaming agent is dimethicone.
7. a kind of inhibit the environment-friendly type of moisture evaporation to cover material as described in claim any one of 1-6 for Arid&semi-arid area
Expect application method, it is characterised in that: it is 0.5-0.8% that the covering material of powdery, which is dissolved in the water, and prepares mass percent concentration
Aqueous solution be uniformly sprinkled upon farmland surface, thickness control forms three-dimensional netted crosslinking in farmland surface in 0.2-0.8mm
Layer realizes water-retaining effect to soil.
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