CN108476888A - A method of it preventing and kill off full film double-furrow using weed removal mulch film and broadcasts corn field weed - Google Patents
A method of it preventing and kill off full film double-furrow using weed removal mulch film and broadcasts corn field weed Download PDFInfo
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- CN108476888A CN108476888A CN201810047648.2A CN201810047648A CN108476888A CN 108476888 A CN108476888 A CN 108476888A CN 201810047648 A CN201810047648 A CN 201810047648A CN 108476888 A CN108476888 A CN 108476888A
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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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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
Abstract
The method that full film double-furrow broadcasts corn field weed is prevented and kill off using weed removal mulch film the invention discloses a kind of, including 6 steps, it is exactly on the basis of refining site preparation, fertilising and rotation ground that overview, which is got up, preferred chemical weed control mulch or black mulch film are broadcast into ridging laminating machine with full film double-furrow in best overlay film period and are disposably covered in field soil surface, and implementation result is ensured by the sowing of standardization, field management.Method provided by the invention, continuous and effective is not only able to prevent and kill off weeds in field, significantly improve corn yield, but also weeding measure can disposably be implemented to field by mechanization ridging, coating process, labor intensity is greatly reduced, reduce working time and production cost, significantly improves economical, societal benefits；In addition to this, it in the method for the invention, selects black mulch film that can exempt using herbicide, selects chemical weed control mulch that can realize using mulch as the accurate reducing application amount of the herbicide of carrier, to significantly improve ecological benefits.
Description
Technical field
The present invention relates to agriculture fields, and in particular to a kind of to prevent and kill off full film double-furrow using weed removal mulch film and broadcast corn field weed
Method.
Background technology
It is Gansu Province or even the drought resisting new technology that national Techniques in Dry-farming Areas emphasis is promoted, amount of increase in production that full film double-furrow, which is broadcast,
30% or so, social and economic benefits are very notable, become corn with high yield, stable yields important leverage.But the planting type
Using white covering with ground sheeting, weeds in field harm is serious, and weeds in field occurs mainly under film in addition, and the difficulty prevented and kill off is big, hand
Duan Danyi.In production, weeds on film are manually mainly pulled out after mechanical ridging overlay film, but which is time-consuming, and serious
Film surface is damaged, or herbicide spraying is oriented in corn growing season, but easily causes corn phytotoxicity, or is sprayed in ground large dosage
Mechanical ridging and overlay film after herbicide, but which significantly improves the residual quantity of medicament in the soil, and in subsequent ridging
Ground medicine film layer is destroyed in the process, reduces herbicidal effect；Or ground herbicide spraying and artificial overlay film after artificial ridging,
But which is time-consuming, and labor intensity is big, and production efficiency is low, with rural laborer's extensive transfer employment present situation pole not phase
Claim.Research and propose ripe skill that is prominent to Weeds distribution effect, significantly and convenient for mechanization implementing to corn yield increasing income growth effect
Art is that full film double-furrow broadcasts urgent problem to be solved in maize production.
Invention content
The method that full film double-furrow broadcasts corn field weed is prevented and kill off using weed removal mulch film the purpose of the present invention is to provide a kind of,
To solve the above technical problems.
To achieve the above object, the technical solution that the present invention takes is：
A method of it preventing and kill off full film double-furrow using weed removal mulch film and broadcasts corn field weed, include the following steps：
1) weed removal mulch film selects：Weeds in field is laid particular stress on to severe occurrence condition, chemically weed removal mulch film and black mulch film 2
One is chosen in kind of weed removal mulch film as covering material, is avoided using white mulch, optimum selection chemical weed control mulch and black
It is respectively at least up to 116.68 plants/m that density, which occurs, for the weeds in field of color mulch2At least up to 163.48 plants/m2；
2) overlay film period selects：The best overlay film period of 2 kinds of weed removal mulch films should all rest in autumn last year soil it is freeze-up before,
Due to special circumstances such as labor shortages cannot overlay film in time, top icepro phase overlay film can be pushed into, avoided in date of seeding overlay film；
3) site preparation and fertilising：After first crop crop harvest, soil and finely rake mill are ploughed deeply in time, are allowed to keep soil layer deep as possible
Pine, soil block it is broken it is small, field face is smooth；Before ridging, overlay film, by high-quality farm manure, urea and Diammonium phosphate (DAP) respectively with 45000~
75000,300 and 225kg/hm2Sowing amount uniformly spread fertilizer over the fields in soil surface, and fertilizer and soil are filled by rotary tillage machine operation
Divide uniform mixing；
4) ridging and overlay film：After fertilising and rotary tillage, the disposable ridging of ridging laminating machine is broadcast with full film double-furrow immediately and covered
Film, by the full covered ground of preferred weed removal mulch film in field, the width on wide ridge and high respectively 70cm and 10cm, the width and height of narrow ridge
Respectively 40cm and 15cm, adjacent 2 width mulch are overlapped 1cm in wide ridge medium position, are used in combination field soil that the film surface of overlapping is covered pressure
Tightly, 1 soil zone of pressure is covered with thin wet soil, direction and ridge are to vertical on film surface every 2~3m；
5) corn seeding：In suitable sowing date (mid or late April), program request corn is punched on film surface at the furrow with dibbler,
Per 2 seeds of bunch planting, 27.5~30cm of hill spacing, 3~4cm of seed level broadcast hole and seal pressure tightly with thin wet soil；
6) field management：After overlay film, to reinforce managing and protecting field mulch, prevent the agronomic conditions such as sowing, top dressing and dog,
Destruction of the animals such as sheep to film surface, it is tight with thin wet soil envelope pressure in time for the damaged hole occurred on film surface；Emergence of corn
Phase, timely artificial seedling setting；4~5 leaf phases, final singling, 1 plant of healthy and strong plant is selected and remain per cave；The corn typhon mouth phase imposes 1 urine
Element is punched between strain with dibbler and is manured into soil, and dose is 225~300kg/hm2；Corn diseases and insect pests prevention etc. is routinely
Method carries out.
Preferably, the weeds be primarily referred to as the green bristlegrass for having stronger adaptability to environment under film, barnyard grass, lady's-grass, lamb's-quarters,
Wheatgrass etc., when in weed community at least contain it is one kind of for dominant population and lay particular stress on to severe occur, can be considered that field is miscellaneous
Grass, which is laid particular stress on to severe, to be occurred.
Preferably, the specification of the chemical weed control mulch and black mulch film is width 120cm, thickness is not less than 0.01mm.
Preferably, the black mulch film is suitable in the abundant area of light, thermal resource or field application.
Preferably, the kind of the corn is to be suitable for the improved seeds of local plantation.
The beneficial effects of the present invention are：
1, of the present invention that the method that full film double-furrow broadcasts corn field weed is prevented and kill off using weed removal mulch film, it is not only able to hold
It is continuous effectively to prevent and kill off weeds in field, significantly improve corn yield, but also can be by weeding measure in company with mechanization ridging, coating process
Field disposably is implemented to, drastically reduces labor intensity, working time and production cost, significantly improves economic, society's effect
Benefit.
2, in the method for the invention, black mulch film is selected, the application of herbicide can be exempted；Chemical weed control mulch is selected,
Herbicidal composition in mulch is effectively dissolved in film surface water droplet and drops into the main distributed area of weeds (furrow) with water droplet, real
Show using mulch as the accurate reducing application amount of the herbicide of carrier, to significantly improve ecological benefits.
3. method according to the present invention is simple and practicable, of low cost, suitable for large area applications.
Specific implementation mode
In order to make objects and advantages of the present invention be more clearly understood, the present invention is carried out with reference to embodiments further
It is described in detail.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to limit this hair
It is bright.
Embodiment 1
Experimental field overview and material of participating in the experiment
Experiment is laid in the experiment stations Gao Ping of Pingliang Academy of Agricultural Sciences, which belongs in Gansu Province Jingchuan County south plateau area
Typical rain-fed agriculture region.It tests in plot, weeds heavierly occur, and total grass density reaches 237.32 plants/m2, main species have
Lamb's-quarters, green bristlegrass, Amaranthus retroflexus, black nightshade, acalypha copperleaf, water spine pin etc. are had comparative advantage with lamb's-quarters, green bristlegrass, and density occurs and accounts for always
The 81.44% of careless density.
Testing the involved means of production includes：Chemical weed control mulch is showed severity special warp by Guangzhou Inst of Cane Sugar Guangzhou
Ji technology development co. development and production, white mulch are produced by sky and water Tian Bao Su Ye companies, and the specification of 2 kinds of mulches is width
120cm, thickness 0.01mm；Corn variety is to be made by Gansu Academy of Agricultural Science suitable for ' rich peasant No. 1 ' of local large area plantation
Object research institute is bred as, the production of Gansu rich peasant high-tech Zhong Ye Co., Ltds；Urea (nitrogen content 46%) is by China National Petroleum
Limited liability company's Lanzhou Petrochemical production；Diammonium phosphate (DAP) (nitrogen content 18%, phosphorus content 46%) is limited by middleization chemical fertilizer
Company provides.The above-mentioned means of production can bought on the market.
Implementation
Implement by method provided by the present invention, specifically includes following steps：
1) weed removal mulch film selects：Using chemical weed control mulch as covering material；
2) overlay film period selects：Overlay film period selects the November 2 in autumn last year；
3) site preparation and fertilising：After first crop harvest corn, plough deeply soil and finely rake mill immediately, be allowed to keep soil layer subsoiling,
Soil block it is broken it is small, field face is smooth；Before ridging, overlay film, i.e. November 1 last year, by high-quality farm manure, urea and Diammonium phosphate (DAP) respectively with
6550,300 and 225kg/hm2Sowing amount uniformly spread fertilizer over the fields in soil surface, and fertilizer and soil are filled by rotary tillage machine operation
Divide uniform mixing；
4) ridging and overlay film：Fertilising and rotary tillage after next day, with full film double-furrow broadcast the disposable ridging of ridging laminating machine and
Overlay film, by the full covered ground of preferred weed removal mulch film in field, the width on wide ridge and it is high be respectively 70cm and 10cm, the width of narrow ridge and
Height is respectively 40cm and 15cm, and adjacent 2 width mulch is overlapped 1cm in wide ridge medium position, field soil is used in combination to cover the film surface of overlapping
Pressure is tight, covers 1 soil zone of pressure with thin wet soil every 3m on film surface, and direction and ridge are to vertical；
5) corn seeding：Program request corn is punched at the furrow on film surface with dibbler, per 2 kinds of bunch planting April 22 current year
Son, hill spacing 27.5cm, seed level 3cm broadcast hole and seal pressure tightly with thin wet soil；
6) field management：After overlay film, field mulch is managed and protected in reinforcement, prevents the agronomic conditions such as sowing, top dressing and dog, sheep
Destruction of the equal animals to film surface, it is tight with thin wet soil envelope pressure in time for the damaged hole occurred on film surface；The April 28 in seeding stage
Day to artificial seedling setting on May 1；5 leaf phases, final singling, 1 plant of healthy and strong plant is selected and remain per cave；The corn typhon mouth phase, urea is imposed,
It is punched and is manured into soil between strain with dibbler, dose 225kg/hm2；Corn diseases and insect pests prevention etc. according to a conventional method into
Row.
This experiment be separately provided with generally used in production " autumn last year (November 2), artificial full ground spray 48%
Second green bristlegrass wettable powder 4500g/hm2Afterwards, the disposable ridging of ridging laminating machine and covering white are broadcast with full film double-furrow immediately
Mulch " (CK1-1) and " autumn last year (November 2) carries out artificial ridging and (broadcasts technical regulation requirement by full film double-furrow to rise successively
Ridge), artificial ridge face spray 48% second green bristlegrass wettable powder 3750g/hm2With artificial full covered ground white mulch " (CK2-1)2
The careless method of kind control is handled as a contrast, to the implementation result of comparative analysis the method for the invention；It is also provided with " last year simultaneously
The full film double-furrow of the white mulch of autumn (November 2) mechanization covering broadcasts maize culture " (CK0-1) it is used as blank control, to
Calculate the herbicidal effect of each processing.It is 667m that the method for the invention, which implements area and the area of each check plot,2。
Effect research method
Corn broadcasts rear 30d, investigates herbicidal effect, the method for the invention implements area and 3 points of diagonal line is taken in check plot
Sampling, sampling point area 0.25m2(0.23m × 1.10m) records wherein various weeds strain numbers and weighs Fresh Yuxincao；Corn is ripe
Afterwards, individually harvest, dry by each region, threshing and based on produce.Herbicidal effect calculation formula is：
Weeds strain preventive effect (%)=[(blank district weeds strain number-the method for the invention implements area's weeds strain number)/it is empty
White check plot weeds strain number] × 100；
Weeds fresh weight preventive effect (%)=[(blank district weeds fresh weight-the method for the invention implements area's weeds fresh weight)/
Blank district weeds fresh weight] × 100；
Embodiment 2
Experimental field overview and material of participating in the experiment
Experiment is laid in the Gansu Province Pingliang Kongtong District villages Tang Wan of the townshiies Xi Yang, which is located at Kongtong District Mountainous Area of North, belongs to allusion quotation
The plot tablelands Shu Shan are tested in the Techniques in Dry-farming Areas of type, and weeds seriously occur, and total grass density reaches 416 plants/m2, main species have
Wheatgrass, green bristlegrass, lamb's-quarters, Amaranthus retroflexus, black nightshade etc. are had comparative advantage with wheatgrass, green bristlegrass, lamb's-quarters, and it is close that generation density accounts for total grass
The 85.13% of degree.
Testing the involved means of production includes：Black mulch film and white mulch are produced by sky and water Tian Bao Su Ye companies, and 2
The specification of kind mulch is width 120cm, thickness 0.01mm；48% second green bristlegrass wettable powder, electric herbicide is limited in Xinxiang
Company produces；Corn variety is ' first beautiful 335 ' suitable for local large area plantation, is bred as by Pioneer Electronic Corp. of the U.S.；Urea is (nitrogenous
46%) amount is produced by PetroChina Lanzhou Petrochemical Company；(nitrogen content 18% contains Diammonium phosphate (DAP)
Phosphorus amount 46%) it is provided by Sinofert Limited.The above-mentioned means of production are being bought on the market.
Implementation
Implement by method provided by the present invention, specifically includes following steps：
1) weed removal mulch film selects：Using black mulch film as covering material；
2) overlay film period selects：Overlay film period selects the October 20 in autumn last year；
3) site preparation and fertilising：After first crop harvest corn, plough deeply soil and finely rake mill immediately, be allowed to keep soil layer subsoiling,
Soil block it is broken it is small, field face is smooth；Before ridging, overlay film, i.e. on October 19 last year, high-quality farm manure, urea and Diammonium phosphate (DAP) are distinguished
With 75000,300 and 225kg/hm2Sowing amount uniformly spread fertilizer over the fields in soil surface, and by rotary tillage machine operation by fertilizer and soil
Abundant uniform mixing；
4) ridging and overlay film：Fertilising and rotary tillage after next day, with full film double-furrow broadcast the disposable ridging of ridging laminating machine and
Overlay film, by the full covered ground of preferred weed removal mulch film in field, the width on wide ridge and it is high be respectively 70cm and 10cm, the width of narrow ridge and
Height is respectively 40cm and 15cm, and adjacent 2 width mulch is overlapped 1cm in wide ridge medium position, field soil is used in combination to cover the film surface of overlapping
Pressure is tight, covers 1 soil zone of pressure with thin wet soil every 2.5m on film surface, and direction and ridge are to vertical；
5) corn seeding：Program request corn is punched at the furrow on film surface with dibbler, per 2 kinds of bunch planting April 26 current year
Son, hill spacing 30cm, seed level 3cm broadcast hole and seal pressure tightly with thin wet soil；
6) field management：After overlay film, field mulch is managed and protected in reinforcement, prevents the agronomic conditions such as sowing, top dressing and dog, sheep
Destruction of the equal animals to film surface, it is tight with thin wet soil envelope pressure in time for the damaged hole occurred on film surface；The May 2 in seeding stage
Day to artificial seedling setting on May 4；5 leaf phases, final singling, 1 plant of healthy and strong plant is selected and remain per cave；The corn typhon mouth phase, urea is imposed,
It is punched and is manured into soil between strain with dibbler, dose 300kg/hm2；Corn diseases and insect pests prevention etc. according to a conventional method into
Row.
This experiment be separately provided with generally used in production " autumn last year (October 20), artificial full ground spray
48% second green bristlegrass wettable powder 4500g/hm2Afterwards, the disposable ridging of ridging laminating machine and covering are broadcast with full film double-furrow immediately
White mulch " (CK1-2) and " in autumn last year (October 20), carry out artificial ridging and (broadcast technical regulation by full film double-furrow successively
It is required that ridging), artificial ridge face spray 48% second green bristlegrass wettable powder 3750g/hm2With artificial full covered ground white mulch "
(CK2-2) the careless method of 2 kinds of controls handles as a contrast, to the implementation result of comparative analysis the method for the invention；It also sets up simultaneously
" full film double-furrow of the white mulch of autumn last year (October 20) mechanization covering broadcasts maize culture " (CK0-2) it is used as blank
Control, to calculate the herbicidal effect of each processing.It is 667m that the method for the invention, which implements area and the area of each check plot,2。
Effect research method
Corn broadcasts rear 35d, investigates herbicidal effect, the method for the invention implements area and 3 points of diagonal line is taken in check plot
Sampling, sampling point area 0.25m2(0.23m × 1.10m) records wherein various weeds strain numbers and weighs Fresh Yuxincao；Corn is ripe
Afterwards, individually harvest, dry by each region, threshing and based on produce.Related herbicidal effect calculation formula is same as Example 1.
In above-described embodiment, the control grass of the method for the invention, volume increase, the effect of increasing income are listed in table 1, table 2 and table 3 respectively.
By table 1~3 it is found that it is of the present invention it is a kind of prevent and kill off the method that full film double-furrow broadcasts corn field weed using weed removal mulch film, tool
There is good implementation result, can effectively solve the problems, such as that producing crop smothering existing for protrusion prevents and kill off.(1) its herbicidal effect reaches 80%
More than, pole be significantly higher than generally used in production " autumn last year, artificial full ground spray 48% second green bristlegrass wettable powder
4500g/hm2Afterwards, the disposable ridging of ridging laminating machine and the white mulch of covering are broadcast with full film double-furrow immediately " the careless method of control,
Met or exceeded production on generally use " autumn last year carries out artificial ridging and (broadcasts technical regulation by full film double-furrow successively
It is required that ridging), artificial ridge face spray 48% second green bristlegrass wettable powder 3750g/hm2With artificial full covered ground white mulch "
The effect of the careless method of control.(2) its yield level, generally use in relatively production " autumn last year, artificial full ground spray 48%
Second green bristlegrass wettable powder 4500g/hm2Afterwards, the disposable ridging of ridging laminating machine and covering white are broadcast with full film double-furrow immediately
The careless method of mulch " control has notable volume increase, amount of increase in production to reach 8% or more, has also reached " autumn last year generally used in production
Season, carry out successively artificial ridging (broadcasting technical regulation requirement ridging by full film double-furrow), artificial ridge face sprays 48% second green bristlegrass can
Wet powder 3750g/hm2With artificial full covered ground white mulch " yield level of the careless method of control.(3) its corn net earnings,
Compared with generally used in production " autumn last year, artificial full ground spray 48% second green bristlegrass wettable powder 4500g/hm2Afterwards, it stands
The disposable ridging of ridging laminating machine and the white mulch of covering are broadcast with full film double-furrow " and " autumn last year is manually risen successively
Ridge (broadcasting technical regulation requirement ridging by full film double-furrow), artificial ridge face spray 48% second green bristlegrass wettable powder 3750g/hm2
With artificial full covered ground white mulch " 2 kinds of careless methods of control are significantly increased, 1331.53 yuan/hm is increased income respectively2Above and
1924.14 yuan/hm2More than.
The Weed control effect of 1 the method for the invention of table
Note：CK1-1And CK1-2Be generally used in production " in autumn last year, artificial full ground sprays 48% second green bristlegrass can
Wet powder 4500g/hm2Afterwards, the disposable ridging of machine and the white mulch of covering are broadcast with full film double-furrow immediately " control grass method,
It handles as a contrast；CK2-1And CK2-2Be production on generally use " autumn last year carries out artificial ridging (by full film successively
Double furrows broadcast technical regulation require ridging), artificial ridge face spray 48% second green bristlegrass wettable powder 3750g/hm2Manually entirely
The control grass method of the white mulch of face covering ", is handled as a contrast；CK0-1And CK0-2It is " autumn last year mechanization covering white
The full film double-furrow of mulch broadcasts maize culture ", as blank control.Similarly hereinafter.
The effect of increasing production of 2 the method for the invention of table
The effect of increasing income of 3 the method for the invention of table
Note：The cost of the method for the invention (embodiment 1 and embodiment 2) is 14685.00 yuan/hm2；CK1-1And CK1-2
Cost be 14827.5 yuan/hm2；CK2-1And CK2-2Cost be 16627.5 yuan/hm2；Maize market valence be 1.70 yuan/
kg。
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the principle of the present invention, it can also make several improvements and retouch, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (5)
1. a kind of preventing and kill off the method that full film double-furrow broadcasts corn field weed using weed removal mulch film, which is characterized in that include following step
Suddenly：
1) weed removal mulch film selects：Weeds in field is laid particular stress on to severe occurrence condition, and chemically 2 kinds of weed removal mulch film and black mulch film remove
One is chosen in the film of meadow as covering material, is avoided using white mulch, and optimum is with selecting chemical weed control mulch and black
It is respectively at least up to 116.68 plants/m that density, which occurs, for the weeds in field of film2At least up to 163.48 plants/m2；
2) overlay film period selects：The best overlay film period of 2 kinds of weed removal mulch films should all rest in autumn last year soil it is freeze-up before, due to
The special circumstances such as labor shortage and cannot overlay film in time, top icepro phase overlay film can be pushed into, avoided in date of seeding overlay film；
3) site preparation and fertilising：After first crop crop harvest, plough deeply soil and finely rake mill in time, be allowed to as possible holding soil layer subsoiling,
Soil block it is broken it is small, field face is smooth；Before ridging, overlay film, by high-quality farm manure, urea and Diammonium phosphate (DAP) respectively with 45000~75000,
300 and 225kg/hm2Sowing amount uniformly spread fertilizer over the fields in soil surface, and fertilizer is fully mixed and stirred with soil by rotary tillage machine operation
Uniformly；
4) ridging and overlay film：After fertilising and rotary tillage, the disposable ridging of ridging laminating machine and overlay film are broadcast with full film double-furrow immediately, it will
For the preferred full covered ground of weed removal mulch film in field, the width and height on wide ridge are respectively 70cm and 10cm, the width of narrow ridge and high difference
For 40cm and 15cm, adjacent 2 width mulch is overlapped 1cm in wide ridge medium position, is used in combination field soil that the film surface of overlapping is covered pressure tightly,
1 soil zone of pressure is covered with thin wet soil, direction and ridge are to vertical on film surface every 2~3m；
5) corn seeding：In suitable sowing date (mid or late April), program request corn is punched on film surface at the furrow with dibbler, per cave
2 seeds are broadcast, 27.5~30cm of hill spacing, 3~4cm of seed level broadcast hole and seal pressure tightly with thin wet soil；
6) field management：After overlay film, to reinforce managing and protecting field mulch, prevent the agronomic conditions such as sowing, top dressing and dog, sheep etc.
Destruction of the animal to film surface, it is tight with thin wet soil envelope pressure in time for the damaged hole occurred on film surface；The emergence of corn phase, and
When artificial seedling setting；4~5 leaf phases, final singling, 1 plant of healthy and strong plant is selected and remain per cave；The corn typhon mouth phase imposes 1 urea, uses
Dibbler is punched between strain and is manured into soil, and dose is 225~300kg/hm2；Corn diseases and insect pests prevention etc. is according to a conventional method
It carries out.
2. it is according to claim 1 it is a kind of preventing and kill off the method that full film double-furrow broadcasts corn field weed using weed removal mulch film,
It is characterized in that, the weeds refer to green bristlegrass, barnyard grass, lady's-grass, lamb's-quarters, the wheatgrass etc. for having stronger adaptability to environment under film.
3. it is according to claim 1 it is a kind of preventing and kill off the method that full film double-furrow broadcasts corn field weed using weed removal mulch film,
It is characterized in that, the specification of the chemical weed control mulch and black mulch film is width 120cm, thickness is not less than 0.01mm.
4. it is according to claim 1 it is a kind of preventing and kill off the method that full film double-furrow broadcasts corn field weed using weed removal mulch film,
It is characterized in that, the black mulch film is suitable in the abundant area of light, thermal resource or field application.
5. it is according to claim 1 it is a kind of preventing and kill off the method that full film double-furrow broadcasts corn field weed using weed removal mulch film,
It is characterized in that, the kind of the corn is to be suitable for the improved seeds of local plantation.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115918461A (en) * | 2022-11-30 | 2023-04-07 | 四川省畜牧科学研究院 | Planting method for silage corns in plateau area |
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