CN115299315B - Matrix for farmland weed prevention and control and prevention and control method thereof - Google Patents
Matrix for farmland weed prevention and control and prevention and control method thereof Download PDFInfo
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Classifications
-
- 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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
-
- 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
-
- 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
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
-
- 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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
-
- 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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/28—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing peat, moss or sphagnum
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Botany (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a matrix for preventing and controlling farmland weeds and a prevention and control method thereof, belonging to the technical field of weed prevention and control; the farmland weed control matrix consists of fungus dreg, peat soil and phosphate, wherein the mass ratio of the fungus dreg to the peat soil to the phosphate is 1:2-3:0.4-0.7. The invention directly applies the fungus dreg waste, improves the utilization rate of fungus dreg, prepares the farmland weed control matrix by the fungus dreg, peat soil and phosphate, and effectively controls weeds.
Description
Technical Field
The invention relates to the technical field of weed control, in particular to a matrix for farmland weed control and a control method thereof.
Background
Farmland weeds refer to plants grown in sites that are harmful to human survival and activity, typically non-cultivated wild plants or plants that are interfering with humans. Weeds in farmlands have certain harm, for example, the weeds compete with crops for nutrients, moisture, sunlight and space, ventilation and light transmission in the fields are prevented, local climate temperature is increased, and some weeds are disease and insect intermediate hosts, so that disease and insect pests are promoted; parasitic weeds directly absorb nutrients from the crop, thereby reducing the yield and quality of the crop. In addition, some weed seeds or pollen contain toxins and can poison humans and animals.
At present, the most application is manual weeding, manual weeding and weeding by using simple farm tools, but the method has the advantages of high labor consumption, low efficacy and incapability of timely preventing and killing in a large area. In addition, there are also mechanical weeding, i.e., mechanical intertillage, harrowing and soil covering with a farm or mechanically pulled weeding machine, to control the occurrence and hazard of weeds in the farmland, but its frequent use can cause hardening of the soil in the cultivated layer. Chemical weeding means is the use of herbicides to remove weeds without damaging the crop. When the herbicide is used, the type of the herbicide and the action principle on plants can be utilized to prevent and remove weeds according to the growth characteristics and rules of crops and weeds. The chemical treatment can be further divided into soil treatment and stem and leaf treatment, wherein the soil treatment is to spray the chemical agent on the surface layer of the soil or mix the chemical agent into the soil through soil mixing to form a closed chemical soil layer, so that weeds cannot normally emerge or die. Soil treatment can be classified into pre-sowing treatment, post-sowing pre-emergence treatment and post-emergence treatment according to treatment time. Stem and leaf treatments are typically applied to the weed stems and leaves after the weeds have grown out of the soil surface, the weeds being lethal by the leaves either absorbing the agent or the stems contacting the agent. The treatment of stem and leaf before sowing and the treatment of stem and leaf in growth period after sowing can be classified according to the spraying period. Chemical weeding methods can save a lot of manpower and material resources, but are easy to induce a series of problems such as herbicide resistance, pesticide residues, harm to non-weed organisms (especially human beings and animals) and the like. Therefore, the selection of a safe weeding mode is a key problem in weed control.
Edible fungi are fungi which are large in fruiting body and can be eaten. The edible fungi contain rich proteins and amino acids, and have certain health care effects, such as digestion assistance, blood pressure reduction and the like. With the development of the edible fungus industry in recent years, a large amount of edible fungus waste is generated in the edible fungus production area every year, if the waste is improperly treated, the waste of resources is seriously caused, and the environment is greatly harmed, so that the spread of plant diseases and insect pests is caused. In order to improve the utilization rate of edible fungus waste, CN113209144A discloses a method for extracting mushroom residues, a mushroom residue extract and application, wherein the mushroom residues are subjected to high-temperature and high-pressure treatment and then subjected to enzymolysis by adopting compound enzymes to obtain a mushroom residue extract, and the extracted mushroom residue extract has a certain in-vitro anti-inflammatory activity. CN108002541a discloses a decolorizer containing pleurotus citrinopileatus mushroom dreg extract, which is prepared by extracting pleurotus citrinopileatus mushroom dreg with a citric acid buffer solution, removing the extracting solution to obtain mushroom dreg residues, inoculating oyster mushroom strains, fermenting and culturing, and extracting a mixed product of a culture medium and hypha with the citric acid buffer solution to obtain the decolorizer. In addition, researchers also use the fungus residues as fuel after sun drying, or directly pulverize the fungus residues to be used as feed. However, researches on directly using fungus dreg waste for farmland weeding are rarely reported. Based on the method, the invention provides a farmland weed control method to reduce the application of herbicide, thereby reducing the harm of herbicide.
Disclosure of Invention
Aiming at the problems, the invention provides the matrix for preventing and controlling the farmland weeds and the prevention and control method thereof, which directly apply the fungus dreg waste, improve the utilization rate of fungus dreg, prepare the matrix for preventing and controlling the farmland weeds from the fungus dreg, peat soil and phosphate, and effectively prevent and control the weeds.
A first object of the present invention is to provide a substrate for controlling farmland weeds, which is used for controlling weeds during the growth of crops;
the farmland weed control matrix consists of fungus dreg, peat soil and phosphate, wherein the mass ratio of the fungus dreg to the peat soil to the phosphate is 1:2-3:0.4-0.7.
Preferably, the mass ratio of the fungus dreg to the peat soil to the phosphate is 1:2:0.5.
Preferably, the fungus dreg is one or more of flammulina velutipes fungus dreg, oyster mushroom fungus dreg, pleurotus eryngii fungus dreg and hypsizigus marmoreus fungus dreg.
Preferably, the phosphate is one of sodium dihydrogen phosphate, disodium hydrogen phosphate and calcium dihydrogen phosphate.
Preferably, the crop is a vegetable of the Solanaceae family.
Preferably, the weeds are grasses and broadleaf weeds.
Preferably, grassy weeds include, but are not limited to, gooseberry, myrtle, crabgrass, moleplant seed, green bristlegrass, barnyard grass; broadleaf weeds include, but are not limited to, amaranth, ma Songzi, polygonum aviculare, annual fleabane, quinoa, and snakehead.
The second object of the invention is to provide a farmland weed control method, which comprises the following steps:
during breeding, after crops germinate, covering farmland weed control matrix around the crops to inhibit weed germination;
before transplanting crops, covering the soil surface with a matrix for preventing and controlling farmland weeds, inhibiting the weeds from sprouting, digging a planting pit, and transplanting and planting crops.
Preferably, the covering thickness of the farmland weed control matrix is 1-3cm.
Compared with the prior art, the invention has the following beneficial effects:
compared with the prior art that the fungus residue is extracted, the invention directly uses the fungus residue, the peat soil and the phosphate, reduces operation steps and is simple and convenient to operate. In the weed prevention and control process, phosphate, fungus dreg and peat soil are used together, so that the prevention and control effect on weeds is effectively promoted, and the using amount of herbicide is reduced.
The matrix for preventing and controlling farmland weeds has a certain effect on gramineous weeds and broadleaf weeds which occur in the planting process of solanaceae vegetables, and the prevention and control effect on broadleaf weeds is higher than that of gramineous weeds due to the strong vitality of the gramineous weeds.
Drawings
FIG. 1 is a schematic representation of weed seed sowing distribution;
FIG. 2 is a cross-sectional view of weed seed sowing.
Reference numerals:
1-crops, 2-weed seeds, 3-farmland weed control matrix and 4-soil.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The experimental methods described in the examples of the present invention are conventional methods unless otherwise specified. It should be noted that, in the following embodiments, due to the fact that there are specific conditions such as operation errors and environmental conditions in the specific implementation process, there is a certain reasonable range for the related data change.
Example 1
The embodiment provides a farmland weed control method, which comprises the following steps:
covering farmland weed control matrix after the tomato seeds germinate in the seedling raising period until the seedling raising is finished;
the thickness of the matrix cover for preventing and controlling farmland weeds is 1-2cm during seedling raising.
After seedling raising is completed, transplanting tomato seedlings in farmlands, and covering the surrounding of the tomato seedlings with a matrix for controlling weeds in the farmlands after field planting;
after transplanting, the thickness of the farmland weed control matrix coverage is 2-3cm.
The farmland weed control matrix consists of flammulina velutipes fungus residues, peat soil and sodium dihydrogen phosphate, wherein the mass ratio of the fungus residues to the peat soil to the sodium dihydrogen phosphate is 1:2:0.5.
The matrix for preventing and controlling farmland weeds is obtained by uniformly mixing flammulina velutipes residues and sodium dihydrogen phosphate, and then adding peat soil for mixing.
Example 2
The embodiment provides a farmland weed control method, which comprises the following steps:
covering farmland weed control matrix after pepper seeds germinate in the seedling raising period until the seedling raising is finished;
the thickness of the matrix cover for preventing and controlling farmland weeds is 1-2cm during seedling raising.
After seedling raising is completed, transplanting the pepper seedlings into farmlands, and covering the surrounding of the pepper seedlings with a matrix for controlling weeds in the farmlands after field planting;
after transplanting, the thickness of the farmland weed control matrix coverage is 2-3cm.
The farmland weed control matrix consists of oyster mushroom dregs, peat soil and sodium dihydrogen phosphate, wherein the mass ratio of the mushroom dregs to the peat soil to the sodium dihydrogen phosphate is 1:2:0.5.
Example 3
The embodiment provides a farmland weed control method, which comprises the following steps:
covering farmland weed control matrix after the eggplant seeds germinate in the period of seedling raising until the seedling raising is finished;
the thickness of the matrix cover for preventing and controlling farmland weeds is 1-2cm during seedling raising.
After seedling raising is completed, transplanting eggplant seedlings into farmlands, and covering the surrounding of the tomato seedlings with a matrix for controlling weeds in the farmlands after field planting;
after transplanting, the thickness of the farmland weed control matrix coverage is 2-3cm.
The farmland weed control matrix consists of oyster mushroom dregs, peat soil and sodium dihydrogen phosphate, wherein the mass ratio of the mushroom dregs to the peat soil to the sodium dihydrogen phosphate is 1:2:0.5.
Example 4
The embodiment provides a farmland weed control method, which comprises the following steps:
covering farmland weed control matrix after the tomato seeds germinate in the seedling raising period until the seedling raising is finished;
the thickness of the matrix cover for preventing and controlling farmland weeds is 1-2cm during seedling raising.
After seedling raising is completed, transplanting tomato seedlings in farmlands, and covering the surrounding of the tomato seedlings with a matrix for controlling weeds in the farmlands after field planting;
after transplanting, the thickness of the farmland weed control matrix coverage is 2-3cm.
The farmland weed control matrix consists of pleurotus eryngii fungus residues, peat soil and monocalcium phosphate, wherein the mass ratio of the fungus residues to the peat soil to the monocalcium phosphate is 1:2:0.5.
Example 5
The embodiment provides a farmland weed control method, which comprises the following steps:
covering farmland weed control matrix after the tomato seeds germinate in the seedling raising period until the seedling raising is finished;
the thickness of the matrix cover for preventing and controlling farmland weeds is 1-2cm during seedling raising.
After seedling raising is completed, transplanting tomato seedlings in farmlands, and covering the surrounding of the tomato seedlings with a matrix for controlling weeds in the farmlands after field planting;
after transplanting, the thickness of the farmland weed control matrix coverage is 2-3cm.
The farmland weed control matrix consists of fungus dreg, peat soil and disodium hydrogen phosphate, wherein the mass ratio of the fungus dreg to the peat soil to the disodium hydrogen phosphate is 1:2:0.5. Wherein the fungus dreg consists of equal amount of flammulina velutipes fungus dreg and oyster mushroom fungus dreg.
Example 6
The embodiment provides a farmland weed control method, which comprises the following steps:
covering farmland weed control matrix after the tomato seeds germinate in the seedling raising period until the seedling raising is finished;
the thickness of the matrix cover for preventing and controlling farmland weeds is 1-2cm during seedling raising.
After seedling raising is completed, transplanting tomato seedlings in farmlands, and covering the surrounding of the tomato seedlings with a matrix for controlling weeds in the farmlands after field planting;
after transplanting, the thickness of the farmland weed control matrix coverage is 2-3cm.
The farmland weed control matrix consists of fungus dreg, peat soil and disodium hydrogen phosphate, wherein the mass ratio of the fungus dreg to the peat soil to the disodium hydrogen phosphate is 1:2:0.5. Wherein the fungus dreg consists of equal amounts of pleurotus eryngii fungus dreg and oyster mushroom fungus dreg.
Example 7
The embodiment provides a farmland weed control method, which comprises the following steps:
covering farmland weed control matrix after the tomato seeds germinate in the seedling raising period until the seedling raising is finished;
the thickness of the matrix cover for preventing and controlling farmland weeds is 1-2cm during seedling raising.
After seedling raising is completed, transplanting tomato seedlings in farmlands, and covering the surrounding of the tomato seedlings with a matrix for controlling weeds in the farmlands after field planting;
after transplanting, the thickness of the farmland weed control matrix coverage is 2-3cm.
The farmland weed control matrix consists of fungus dreg, peat soil and disodium hydrogen phosphate, wherein the mass ratio of the fungus dreg to the peat soil to the monocalcium phosphate is 1:2:0.5. Wherein the fungus dreg consists of flammulina velutipes fungus dreg, pleurotus eryngii fungus dreg and oyster mushroom fungus dreg in a mass ratio of 2:1:1.
Example 8
The embodiment provides a farmland weed control method, which comprises the following steps:
covering farmland weed control matrix after the tomato seeds germinate in the seedling raising period until the seedling raising is finished;
the thickness of the matrix cover for preventing and controlling farmland weeds is 1-2cm during seedling raising.
After seedling raising is completed, transplanting tomato seedlings in farmlands, and covering the surrounding of the tomato seedlings with a matrix for controlling weeds in the farmlands after field planting;
after transplanting, the thickness of the farmland weed control matrix coverage is 2-3cm.
The matrix for controlling farmland weeds consists of hypsizigus marmoreus residues, peat soil and sodium dihydrogen phosphate, wherein the mass ratio of the hypsizigus marmoreus residues to the peat soil to the sodium dihydrogen phosphate is 1:3:0.7.
Example 9
The embodiment provides a farmland weed control method, which comprises the following steps:
covering farmland weed control matrix after the tomato seeds germinate in the seedling raising period until the seedling raising is finished;
the thickness of the matrix cover for preventing and controlling farmland weeds is 1-2cm during seedling raising.
After seedling raising is completed, transplanting tomato seedlings in farmlands, and covering the surrounding of the tomato seedlings with a matrix for controlling weeds in the farmlands after field planting;
after transplanting, the thickness of the farmland weed control matrix coverage is 2-3cm.
The farmland weed control matrix consists of flammulina velutipes fungus residues, peat soil and sodium dihydrogen phosphate, wherein the mass ratio of the fungus residues to the peat soil to the sodium dihydrogen phosphate is 1:2.5:0.4.
Example 10
The embodiment provides a farmland weed control method, which comprises the following steps:
covering farmland weed control matrix after pepper seeds germinate in the seedling raising period until the seedling raising is finished;
the thickness of the matrix cover for preventing and controlling farmland weeds is 1-2cm during seedling raising.
After seedling raising is completed, transplanting the pepper seedlings into farmlands, and covering the surrounding of the tomato seedlings with a matrix for controlling weeds in the farmlands after field planting;
after transplanting, the thickness of the farmland weed control matrix coverage is 2-3cm.
The farmland weed control matrix consists of fungus residues, peat soil and monocalcium phosphate, wherein the mass ratio of the fungus residues to the peat soil to the monocalcium phosphate is 1:2.5:0.4; the fungus dreg consists of flammulina velutipes fungus dreg and pleurotus eryngii fungus dreg in a mass ratio of 2:1.
Comparative example 1
The comparative example provides a farmland weed control method, which comprises the following steps:
covering farmland weed control matrix after the tomato seeds germinate in the seedling raising period until the seedling raising is finished;
the thickness of the matrix cover for preventing and controlling farmland weeds is 1-2cm during seedling raising.
After seedling raising is completed, transplanting tomato seedlings in farmlands, and covering the surrounding of the tomato seedlings with a matrix for controlling weeds in the farmlands after field planting;
after transplanting, the thickness of the farmland weed control matrix coverage is 2-3cm.
The matrix for preventing and controlling farmland weeds consists of flammulina velutipes residues and peat soil in a mass ratio of 1:2.
Comparative example 2
The comparative example provides a farmland weed control method, which comprises the following steps:
covering farmland weed control matrix after pepper seeds germinate in the seedling raising period until the seedling raising is finished;
the thickness of the matrix cover for preventing and controlling farmland weeds is 1-2cm during seedling raising.
After seedling raising is completed, transplanting the pepper seedlings into farmlands, and covering the surrounding of the pepper seedlings with a matrix for controlling weeds in the farmlands after field planting;
after transplanting, the thickness of the farmland weed control matrix coverage is 2-3cm.
The farmland weed control matrix consists of oyster mushroom dregs and peat soil in a mass ratio of 1:2.
Comparative example 3
The comparative example provides a farmland weed control method, which comprises the following steps:
covering farmland weed control matrix after the eggplant seeds germinate in the period of seedling raising until the seedling raising is finished;
the thickness of the matrix cover for preventing and controlling farmland weeds is 1-2cm during seedling raising.
After seedling raising is completed, transplanting eggplant seedlings into farmlands, and covering the surrounding of the eggplant seedlings with a matrix for controlling farmland weeds after field planting;
after transplanting, the thickness of the farmland weed control matrix coverage is 2-3cm.
The farmland weed control matrix consists of oyster mushroom dregs and peat soil in a mass ratio of 1:2.
In order to further verify the technical effect of the invention, the crop seedlings after seedling cultivation are transplanted into farmlands, 60 weed seeds are sown after field planting, the sowing depth is 4-5cm, and the distribution of the weed seeds is shown in figures 1-2. Then covering the farmland weed control matrix around the crop seedlings; after 1 month of sowing, statistics were performed.
TABLE 1 germination Rate of broadleaf grass seeds
TABLE 2 germination Rate of grass seeds
As can be seen from tables 1-2, the substrate covered farmland has a certain prevention and control effect on weeds, and can effectively reduce the germination of weed seeds, compared with tables 1 and 2, the germination rate of broadleaf grass seeds is lower, which indicates that gramineous grass seeds have higher vitality than broadleaf grass seeds, and the germination rate of the gramineous grass seeds is improved. It can be seen from example 1 and comparative example 1 that the addition of phosphate helps to promote weed control.
TABLE 3 germination Rate of grass seeds
TABLE 4 germination Rate of grass seeds
The results of tables 3-4 show that the matrix for farmland prevention and control has a certain prevention and control effect on weeds in the planting process of solanaceous vegetables, and the matrix for farmland prevention and control has a certain effect on weeds in the planting process of the solanaceous vegetables.
TABLE 5 germination Rate of other grass seeds
As can be seen from Table 5, the matrix for farmland prevention and control prepared by the invention has certain prevention and control effects on weeds such as crabgrass, euphorbia lathyris, green bristlegrass, barnyard grass, polygonum aviculare, annual fleabane herb, quinoa, snakehead intestines and the like besides the gooseberry, the myrtle, the amaranthus manihot, the Ma Songzi and the like. The weed killing spectrum is wider.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (3)
1. A farmland weed control matrix, which is characterized in that the farmland weed control matrix is adopted to control weeds during the growth of crops;
the farmland weed control matrix consists of fungus residues, peat soil and phosphate, wherein the mass ratio of the fungus residues to the peat soil to the phosphate is 1:2:0.5;
the fungus dreg is one or more of flammulina velutipes fungus dreg, oyster mushroom fungus dreg, pleurotus eryngii fungus dreg and hypsizigus marmoreus fungus dreg; the phosphate is sodium dihydrogen phosphate;
the crops are Solanaceae vegetables; weeds are grassy weeds and broadleaf weeds;
grass weeds are goosegrass, alopecuroide, crabgrass, moleplant seed, green bristlegrass and barnyard grass; the broadleaf weeds comprise herba Amaranthi Tricoloris, ma Songzi, herba Polygoni Capitati, herba Erigerontis, herba Chenopodii, and snakehead.
2. A farmland weed control method, which adopts the matrix for farmland weed control according to claim 1, characterized in that the control method comprises the following steps:
during breeding, after crops germinate, covering farmland weed control matrix around the crops to inhibit weed germination;
before transplanting crops, covering the soil surface with a matrix for preventing and controlling farmland weeds, inhibiting the weeds from sprouting, digging a planting pit, and transplanting and planting crops.
3. A method for controlling farmland weeds according to claim 2, wherein the thickness of the substrate for controlling farmland weeds is 1-3cm.
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