CN104938200B - Xinjiang South Sinkiang cotton region broadcast before non-winter irrigation or non-spring irrigation continuous cropping Cotton Field under Drip Irrigation water-saving seedling method - Google Patents
Xinjiang South Sinkiang cotton region broadcast before non-winter irrigation or non-spring irrigation continuous cropping Cotton Field under Drip Irrigation water-saving seedling method Download PDFInfo
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- CN104938200B CN104938200B CN201510397954.5A CN201510397954A CN104938200B CN 104938200 B CN104938200 B CN 104938200B CN 201510397954 A CN201510397954 A CN 201510397954A CN 104938200 B CN104938200 B CN 104938200B
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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
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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
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
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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
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/02—Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
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Abstract
The present invention relates to a kind of Xinjiang South Sinkiang cotton region broadcast before non-winter irrigation or non-spring irrigation continuous cropping Cotton Field under Drip Irrigation water-saving seedling method, the method is to be completed by cotton field preparation, seed preparation and sowing, drip irrigation water supply and other field management method step, by the investigation to two embodiment cotton field cotton survival rate of seedlings of the present invention, often implement 10 points of random searching, the periphery cotton field emergence rate of the method for generally keeping a full stand of seedings of the same period sowing of investigation simultaneously, result shows：Using method of the present invention, the average survival rate of seedlings 89.8% in No. 47 cotton fields in new land, the average survival rate of seedlings 87.6% in No. 54 cotton fields in new land, high by 1.5 compared with No. 54 periphery cotton field survival rate of seedlings in No. 47 and new land in the new land of the method for generally keeping a full stand of seedings of same period sowing respectively, 0.9 percentage point, early 23 days of the method cotton field cotton growing process of generally keeping a full stand of seedings that the method for the invention cotton field growing way and developmental state sows compared with the same period, average mu saving Seedling water 90 115 m3/ mu, and cotton field other cost input can be reduced, thus the inventive method can meet needed for production.
Description
Technical field
The present invention relates to non-winter irrigation or spring irrigation continuous cropping Cotton Field under Drip Irrigation realize the higher guarantor of Cotton Gossypii before a kind of Xinjiang South Sinkiang cotton region is broadcast
Seedling rate method.
Background technology
Generally keep a full stand of seedings method in Xinjiang South Sinkiang cotton field：In addition to suitable moisture in the soil site preparation, selection improved seeds, science investment fertilizer, also must
A big yield quota winter irrigation or spring irrigation must be carried out before sowing cotton seed, some cotton fields or even winter irrigation and spring irrigation are respectively carried out once,
Thus meeting " water of the emerging " demand needed for Cotton Gossypii emerges, its single winter irrigation and spring irrigation water requirement are generally 150-210 m3/
Mu, after winter irrigation or spring irrigation, treats soil moisture content between 13.0-16.7%, and optimal sowing season arrives, starts fertilising, whole
Ground, sowing, although this seeding technique is more ripe, during the South Sinkiang cotton field winter irrigation of current Xinjiang or spring irrigation, when it is corresponding
Between section respectively in mid-November prior year to by the end of December, mid-February to March 20 days then, now temperature is relatively low, high water snow shipwreck
Melted with a large amount of, and in reality, high water snow water is main water source during cotton planting produces, thus large area winter irrigation or spring irrigation need
The water yield is big limited with the snow water thawing water yield, along with the quick increase with scale of agricultural production and industry and urbanite water consumption, its
Contradiction is quite serious.According to inventor's incomplete statistics, there is the above cotton field of millions of mus in reality because can not winter irrigation in time
Or spring irrigation it has to Postpone sowing and cannot sow in Optimal sowing date, have to replant other crops during especially severe, in addition stop
Plough, have a strong impact on cotton grower and increase income and social stability.Expert's comprehensive analysis think：The most effective method solving this contradiction is exactly to reduce
Irrigation before seeding quota, ensures that Cotton Gossypii emerges simultaneously and is substantially unaffected, thus realizing the existing water yield can fill more cotton fields, reaching and keeping away
Exempt from cotton field to sow in Optimal sowing date, or replant other crops, or even the target of phenomenon generation of lying fallow.
Due to the unique natural environment in Xinjiang, Cotton Soil is saline and alkaline big, and in reality, winter irrigation or spring irrigation one side guarantee soil
Required enough soil moistures content during sowing, on the other hand have pressure salt pressure alkali effect.World's most countries cotton planting district natural, ecological
There is very big difference in environment and Xinjiang, but also have some National Cotton growing areas and Xinjiang South Sinkiang ecological condition to have similar part, such as
The states such as Central Asia Uzbekistan, Tajikistan, but these national cotton region soil salt and alkali contents and drought degree are all compared with Xinjiang
Less or light, for guaranteeing higher survival rate of seedlings, the filling broadcasting front high irrigation norm is also generally taken in these similar ecological cotton regions of planting
Irrigating method, thus both having solved cotton field soil moisture content deficiency problem during sowing cotton seed, advantageously reducing plough horizon salt alkali content again, with
The existing spring irrigation in Xinjiang South Sinkiang or winter irrigation mode and its effect quite, up to now, have no it in these similar ecotope cotton regions
Its " one broadcasts full stand " new method.
The present invention, by cotton field irrigation before seeding quota being greatly reduced in Cotton Gossypii serious water shortage season, extends simultaneously and " emerges
Water " the watering period（Generally normal " water of emerging " irrigation time in cotton field between the October 20 to March 25 then of last year,
And the inventive method irrigation period can be extended down to April 19 days then）, build less salt, sufficient moisture in the soil growth in sowing cotton seed row regional area
Environment, is conducive to Cotton Gossypii to emerge and cotton Seedling root growth and development, not only economizes on water, and also can effectively postpone a deadline local water resource anxiety office
Face；
Xinjiang South Sinkiang is Xinjiang maximum cotton region, is also one of maximum plant cotton region of China, long-term cultivated area 2000-
24000000 mu, this inventive method is to local Cotton Production sustainable development and social stability, of far-reaching significance.
Content of the invention
Present invention aim at, non-winter irrigation or the water saving of non-spring irrigation continuous cropping Cotton Field under Drip Irrigation before providing a kind of Xinjiang South Sinkiang cotton region to broadcast
Keep a full stand of seedings method, the method be prepared by cotton field, seed preparation and sowing, drip irrigation supply water, the regulation and control of high foot Seedling and other field management
Method and step completes, and investigates two embodiment cotton field cotton survival rate of seedlings of the present invention respectively on May 18th, 2015, every embodiment with
10 points investigated by machine, the periphery cotton field emergence rate of the method for generally keeping a full stand of seedings of the same period sowing of investigation simultaneously, and result shows：Using this
Bright method, the average survival rate of seedlings 89.8% in No. 47 cotton fields in the new land of embodiment 1, the average survival rate of seedlings in No. 54 cotton fields in the new land of embodiment 2
87.6%, high compared with No. 54 periphery cotton field survival rate of seedlings in No. 47 in the new land of the method for generally keeping a full stand of seedings of same period sowing and new land respectively
1.5th, 0.9 percentage point, the method cotton field cotton of generally keeping a full stand of seedings that the inventive method cotton field growing way and developmental state were sowed compared with the same period
Early 2-3 days of growing process, average mu saves Seedling water 90-115m3/ mu, and cotton field other cost input can be reduced, thus the present invention
It is required that method can meet production.
Xinjiang of the present invention South Sinkiang cotton region broadcast before non-winter irrigation or non-spring irrigation continuous cropping Cotton Field under Drip Irrigation water-saving seedling method, press
The following step is carried out：
Cotton field prepares：
A, cotton field are dripped once on 15th in 5 ,-October of upper one on September, and the amount of dripping is 50-90m3/ mu；
B, picked up the normal blow-of-cottons unginned cotton in 1 year cotton field after, cotton field straw is carried out with chopping and returning or takes cotton out of after pulling out
Field, cleaning residual film on the field, apply fertilizer immediately afterwards, plough deeply, plough deeply depth 27-32cm, rear dry in the sun 2-4 days is ploughed deeply in cotton field, after ploughing deeply
Diagonal rake, a kind of farm tools 2 times, harrow depth 10-12cm, dry in the sun 1 day again after diagonal rake, a kind of farm tools, then bar rake, a kind of farm tools 1-2 time, and bar harrows depth 6-
8cm, other management methods are carried out using conventional method it is ensured that cotton field reaches state to be broadcast；
Seed preparation and sowing：
C, choosing learn, through oversulfated, the cotton seeds that Delinted ways process, and its seed refers to as 9.9-11.7g, germination percentage
87.0-96.0%, germinating energy are 75-84%, are sowed in -14 days on the 7th April then, and seeder pressure mouth length is 2.3-
Between 2.7cm, thickness of earth covering 0.5-0.8cm, using wide row+narrow row planting patternss, in the narrow row that adjacent two sowing row are formed
Between position lay a drip irrigation zone, i.e. two lines and one belt, drip irrigation zone adopt side seam labyrinth type arrange, be distributed in arm bilateral；
Drip irrigation supplies water：
D, sowing post debugging drip irrigation facilities, carry out first time drip irrigation water supply in after planting 28-38 hour to cotton field, in cotton
Drip irrigation 2-3 time before spending sowing to emerge to Cotton Gossypii, time 20-30 minute of dripping for the first time, time 15-25 minute of dripping for the second time,
Drip as need carry out third time, its time 15-20 minute of dripping, each drip irrigation 15-25 interval time hour；
High foot Seedling regulation and control：
E, Cotton Gossypii emerge and reach two true leaf the 5-7 days phases of flattening, spray mepiquat chloride 2.5-3.5g/ mu；
F, cotton field other management method are carried out using conventional method.
In step a, drip-irrigation water is the high mountain snow water of salinity 0.30-0.40g/L.
In step b ploughed deeply and harrowed, a kind of farm tools process when, Cotton Soil sand is heavier, ploughs deeply operation and completes same day cotton field
Soil 0-15cm water content 11.5-14.2%, and there is obvious sand patch type plot in this cotton field, ploughs deeply and harrows, do not dried in the air after a kind of farm tools
Shine, sowing same day sand patch type plot soil 0-15cm water content 9% 11.5%, must also be individually to sand patch type plot watering 8-
15m3/ mu.
Drip irrigation zone internal diameter in step c is 16mm, dripper spacing 25-30cm, dripping end flow 1.8-2.2L/h, drip irrigation zone
Spacing 72-77cm, branch diameter used by drip irrigation selects 110mm, branch interval 60-80m.
Cotton field described in step a be solvable salt content based on chloride in 3.7-5.8 g/kg scope, or with sulfur
Solvable salt content based on hydrochlorate is in 4.0-6.3g/kg scope, pH value 7.2-7.8.
Xinjiang of the present invention South Sinkiang cotton region broadcast before non-winter irrigation or non-spring irrigation continuous cropping Cotton Field under Drip Irrigation water-saving seedling method, should
In method, herbicide used is applied field and is flutterred（Pendimethalin）For commercially available prod, produced by Longdeng Chemical Co Ltd, Jiangsu.
Brief description
Fig. 1 is that in the new land of the present invention, No. 47 cotton field cottons are kept a full stand of seedings and growing way picture；
Fig. 2 is that in the new land of the present invention, No. 54 cotton field cottons are kept a full stand of seedings and growing way picture.
Specific embodiment
Embodiment 1：
In Xinjiang Awat County Cotton Gossypii seed stock breeding station three branch experimental plot, demonstration should in 2015 for the method for the invention
With, 167.8 mu of area of demonstrating, this demonstration pilot project is located at many wave Kui Teman development zones in one of the maximum Zhi Mian county in Xinjiang, north latitude N
40 ° 43 ' 25 ", 80 ° 24 ' 15 of east longitude E ", is typical South Sinkiang cotton region natural ecological condition, in addition this cotton field be continuous cropping for many years
High yield Cotton Field under Drip Irrigation, physical features 40-60cm high compared with periphery, 150 meters of periphery has row's alkali canal, and irrigation and drainage system is supporting, and concrete operations are pressed
Row step is carried out：
Cotton field prepares：
September is measured to demonstration cotton field 0-25 cm topsoil salt alkali content and pH value on the 10th within 2014, result
It is：This model field is the soluble salt soil based on chlorate, and its salinity is 4.8 g/kg, and pH value=7.7 confirm this cotton field
Water-saving seedling can be carried out using the inventive method；
Salinity mensure was carried out to water source used by this cotton field in 12 in September in 2014, result shows that its water source salinity is
The high mountain snow water of 0.33g/L, drips to this cotton field in September in 2015 on the 15th, and the amount of dripping is 80m3/ mu；
Picked up the Cotton Gossypii normal blow-of-cottons unginned cotton of plantation upper one year on November 20th, 2014 after, in March 22 in 2015
Day-April 1 completed cotton field straw and carries out chopping and returning, and had cleared up stubble, residual film；
In on April 2nd, 2015 fertilising, fertilizing method is loading automatic fertilization case on ploughing deeply plow frame, applies required
After fertilizer is mixed thoroughly, put into fertilizing box, realize the mechanical work pattern applied fertilizer when plowing, fertilizer application carbamide 30 kg/ mu, phosphorus
Sour diammonium 20 kg/ mu and potassium sulfate 12 kg/ mu, plough deeply in -3 days on the 2nd April in 2015, plough deeply depth 30cm, plough deeply operation complete
Become and measure soil 0-15 cm water content average out to 15.9% when daily inspection, plough deeply rear dry in the sun 3 days, diagonal rake, a kind of farm tools 2 times, harrow depth
12cm, dry in the sun 1 day, plough deeply and diagonally rake, all manually picked up earth's surface residual film, stubble after a kind of farm tools；
In on April 7th, 2015 bar rake, a kind of farm tools 2 times, bar harrows depth 8cm, manually picks up earth's surface residual film, stubble again after bar rake, and
Carry out chemical weed control operation before sowing cotton seed, herbicide is applied field and flutters（Pendimethalin）200ml/ mu, is watered 35kg/ mu, all
Even be sprayed at soil surface, by harrowing a kind of farm tools immediately, the deep 5cm of rake, so that medicament is uniformly mixed with soil, realize soil closing work simultaneously
Industry, thus improve herbicidal effect；
Seed preparation and sowing：
Selected cotton variety is that No. 47 in new land, this kind seed refers to 11.6g, and seed is limited by Xinjiang Jin Fengyuan kind industry share
Company provides, and confirms that this seed processes through dilute sulfuric acid lint technique, is not that mechanical-physical formula Delinted ways process, and sends out
Bud rate is 95.8%, and germinating energy is 83.7%, and on April 7th, 2015 sowing, seeder pressure mouth length is 2.3cm, uses 2.3m width
Film, a film eight row, Spacing form is set to 63+13 cm, and the little 0.5cm in depth of planting more usual type of seeding cotton field, using width
Row planting patternss；
Drip irrigation supplies water
In sowing cotton seed, form a narrow row centre position in adjacent two sowing row and lay a drip irrigation zone, drip irrigation zone
It is laid in the middle of narrow row, i.e. two lines and one belt, drip irrigation zone adopts side seam labyrinth type to arrange, is distributed in arm bilateral, and branch diameter selects
Select 110mm, branch interval is 70m；
Finish after planting, installation and debugging drip irrigation facilities immediately, drip irrigation hollow billet（Drip irrigation zone）The choice of diameter 16mm, water dropper
Spacing is 25cm, dripping end flow 1.8L/h, and spacing selects 72cm, and drip irrigation zone is distributed in drip irrigation arm bilateral, its branch diameter
Select 110mm, branch interval 70m, drip-irrigation water salinity is the high mountain snow water of 0.32g/L, finish after planting, carry out within the 28th hour
First time drip irrigation supplies water, and using " the few high frequency of amount " uniformly drip irrigation way of supplying water, drip irrigation number of times 3 times, drips for the first time the time 20
Minute, drip for the second time 15 minutes time, drip for the third time 15 minutes time, each drip irrigation 18-20 interval time hour；
Cotton Gossypii emerges and reaches two true leaf the 7th day phases of flattening, sprays mepiquat chloride 2.6g/ mu；
Cotton field other management method is carried out using conventional method.
Embodiment 2：
The method of the invention carried in Xinjiang Markit County Ga Zi Ku Le township Dai Erwa diligent storehouse Kimura wheat wheat in 2015. Chinese mugwort
The cotton field Demonstration Application that power is contracted, 174.4 mu of area, this demonstration pilot project is located at east longitude E77 ° 42 ' 54 ", N38 ° 65 ' 15 of north latitude ",
It is typical South Sinkiang natural, ecological cotton region, in addition this cotton field is continuous cropping high yield Cotton Field under Drip Irrigation for many years, physical features is flatter, irrigation and drainage system
Set under unified central planning, concrete operations follow these steps to carry out：
Cotton field prepares：
In on October 10th, 2014, cotton field 0-25 cm topsoil salt alkali content and pH value are measured, result
It is：This Demonstration Application cotton field is the soluble salt soil based on sulfate, and salinity is 4.3 g/kg, pH value=7.3, and confirming should
Cotton field can carry out water-saving seedling using the inventive method；
In on October 12nd, 2014, drip irrigation water source salinity is measured, its salinity is the high mountain snow water of 0.36g/L,
Was dripped in Demonstration Application field using the high mountain snow water of this mensure in October 15, the amount of dripping 60m3/ mu；
After the Cotton Gossypii normal blow-of-cottons unginned cotton having picked up plantation upper one year, complete cotton in 22 days-April 1 March in 2015
Field straw takes cotton field out of after pulling out, and has cleared up stubble, residual film；
In on April 11st, 2015 fertilising, fertilizing method is loading automatic fertilization case on ploughing deeply plow frame, applies required
After fertilizer is mixed thoroughly, put into fertilizing box, realize the mechanical work pattern applied fertilizer when plowing, fertilizer application carbamide 20 kg/ mu, phosphorus
Sour diammonium 15 kg/ mu and potassium sulfate 10kg/ mu, plough deeply in April 11-12 day then, plough deeply depth 27cm, right immediately after ploughing deeply
Angle rake, a kind of farm tools 2 times, harrow depth 10cm, and in April 12 bar rake, a kind of farm tools 1 time, bar harrows depth 6cm, ploughs deeply operation and completes to send out when daily inspection
Existing cotton Cotton Soil sand is heavier, soil 0-15 cm water content 13.4%, and because this Cotton Soil water content is relatively low, and sand is relatively
Weight, ploughs deeply and harrows, all not dry in the suns after a kind of farm tools, but ploughs deeply and harrow, all manually picked up earth's surface residual film, stubble after a kind of farm tools；
Carry out chemical weed control operation on April 12nd, 2015 before sowing cotton seed, herbicide is applied field and flutters（Pendimethalin）
190ml/ mu, is watered 30kg, is uniformly sprayed at soil surface, by harrowing a kind of farm tools immediately, the deep about 3-5cm of rake, and make medicament equal with soil
Even mixing, realizes soil closed operation simultaneously, thus improving herbicidal effect；
On the sowing same day, check sand patch type plot soil 0-15 cm water content 9.8%, judge dislocation to occur during sowing, single
Solely sprinkle water 12m to sand patch type plot3/ mu is it is ensured that cotton field reaches state to be broadcast；
Seed preparation and sowing：
Selected cotton variety is No. 54 in new land, and this kind seed refers to 10.5g, confirms that seed is processed through dilute sulfuric acid lint technique
Form, be not that mechanical-physical formula Delinted ways process, germination percentage is 89.2%, and germinating energy is 79.2%, and seed is by Xinjiang bar
Zhou Youzhizhong industry company limited provides, and on April 12nd, 2015 sowing, seeder pressure mouth length is respectively 2.5cm, depth of planting
The little 0.3cm in more usual type of seeding cotton field, with 1.45m width film, a film four row, Spacing form is 62+14 cm, using wide-and narrow-row
Planting patternss；
Drip irrigation supplies water
In sowing cotton seed, form a narrow row centre position in adjacent two sowing row and lay a drip irrigation zone, drip irrigation zone
It is laid in the middle of narrow row, i.e. two lines and one belt, drip irrigation zone adopts side seam labyrinth type to arrange, is distributed in arm bilateral, and branch diameter selects
Select 110mm, branch interval 78m；
Finish after planting, installation and debugging drip irrigation facilities immediately, drip irrigation hollow billet（Drip irrigation zone）The choice of diameter 16mm, water dropper
Spacing 30cm, dripping end flow 2.1L/h, dripper spacing 75cm, drip irrigation zone is distributed in drip irrigation arm bilateral, and its branch diameter selects
Select 110mm, branch interval 80m, drip-irrigation water salinity is determined to the high mountain snow water of 0.37g/L, finish after planting, the 38th hour
Carry out first time drip irrigation water supply, using " the few high frequency of amount " uniformly drip irrigation way of supplying water, drip irrigation 2 times, drip for the first time the time 30
Minute, drip for the second time 15 minutes time, 23 hours interval times of each drip irrigation；
Cotton Gossypii emerges and reaches two true leaf the 5th day phases of flattening, sprays mepiquat chloride 3.0g/ mu；
Cotton field other management method is carried out using conventional method.
Result of implementation：Investigate two embodiment cotton field cotton survival rate of seedlings of the present invention respectively on May 18th, 2015, often implement
Example 10 points of random searching, the periphery cotton field emergence rate of the method for generally keeping a full stand of seedings of the same period sowing of investigation simultaneously, result shows：Use
The inventive method, the average survival rate of seedlings 89.8% in No. 47 cotton fields in the new land of embodiment 1, in the new land of embodiment 2, averagely keep a full stand of seedings in No. 54 cotton fields
Rate 87.6% is high compared with No. 54 periphery cotton field survival rate of seedlings in No. 47 in the new land of the method for generally keeping a full stand of seedings of same period sowing and new land respectively
1.5th, 0.9 percentage point, the method cotton field cotton of generally keeping a full stand of seedings that the inventive method cotton field growing way and developmental state were sowed compared with the same period
Early 2-3 days of growing process, average mu saves Seedling water 90-115 m3/ mu, and cotton field other cost input can be reduced, thus this
It is required that bright method can meet production.
Claims (4)
1. non-winter irrigation or non-spring irrigation continuous cropping Cotton Field under Drip Irrigation water-saving seedling method before a kind of Xinjiang South Sinkiang cotton region is broadcast it is characterised in that by
The following step is carried out：
Cotton field prepares：
A, cotton field are dripped once on 15th in 5 ,-October of upper one on September, and the amount of dripping is 50-90m3/ mu；
B, picked up the normal blow-of-cottons unginned cotton in 1 year cotton field after, cotton field straw is carried out with chopping and returning or take out of after pulling out cotton field,
Cleaning residual film on the field, applies fertilizer immediately afterwards, ploughs deeply, plough deeply depth 27-32cm, rear dry in the sun 2-4 days is ploughed deeply in cotton field, right after ploughing deeply
Angle rake, a kind of farm tools 2 times, harrow depth 10-12cm, dry in the sun 1 day again after diagonal rake, a kind of farm tools, then bar rake, a kind of farm tools 1-2 time, and bar harrows depth 6-
8cm, other management methods are carried out using conventional method it is ensured that cotton field reaches state to be broadcast；
Seed preparation and sowing：
C, choosing learn, through oversulfated, the cotton seeds that Delinted ways process, and its seed refers to as 9.9-11.7g, germination percentage 87.0-
96.0%th, germinating energy be 75-84%, sowed in -14 days on the 7th April then, seeder pressure mouth length be 2.3-2.7cm it
Between, thickness of earth covering 0.5-0.8cm, using wide row+narrow row planting patternss, the narrow row centre position paving being formed in adjacent two sowing row
If a drip irrigation zone, i.e. two lines and one belt, drip irrigation zone adopts side seam labyrinth type to arrange, is distributed in arm bilateral；
Drip irrigation supplies water：
D, sowing post debugging drip irrigation facilities, carry out first time drip irrigation water supply in after planting 28-38 hour to cotton field, broadcast in Cotton Gossypii
Plant drip irrigation 2-3 time before emerging to Cotton Gossypii, time 20-30 minute of dripping for the first time, time 15-25 minute of dripping for the second time, such as need
Carry out third time to drip, its time 15-20 minute of dripping, each drip irrigation 15-25 interval time hour；
High foot Seedling regulation and control：
E, Cotton Gossypii emerge and reach two true leaf the 5-7 days phases of flattening, spray mepiquat chloride 2.5-3.5g/ mu；
F, cotton field other management method are carried out using conventional method.
2. Xinjiang South Sinkiang cotton region non-winter irrigation or non-spring irrigation continuous cropping Cotton Field under Drip Irrigation water-saving seedling side before broadcasting according to claim 1
Method it is characterised in that in step a drip-irrigation water be salinity 0.30-0.40g/L high mountain snow water.
3. Xinjiang South Sinkiang cotton region non-winter irrigation or non-spring irrigation continuous cropping Cotton Field under Drip Irrigation water-saving seedling side before broadcasting according to claim 1
Method it is characterised in that in step b ploughed deeply and harrowed, a kind of farm tools process when, Cotton Soil sand is heavier, ploughs deeply operation and completes the same day
Cotton Soil 0-15cm water content 11.5-14.2%, and there is obvious sand patch type plot in this cotton field, ploughs deeply and harrows, do not carry out after a kind of farm tools
Dry in the sun, sowing same day sand patch type plot soil 0-15cm water content 9% 11.5%, must also be individually to sand patch type plot watering 8-
15m3/ mu.
4. Xinjiang South Sinkiang cotton region non-winter irrigation or non-spring irrigation continuous cropping Cotton Field under Drip Irrigation water-saving seedling side before broadcasting according to claim 1
Method, it is characterised in that the drip irrigation zone internal diameter in step c is 16mm, dripper spacing 25-30cm, dripping end flow 1.8-2.2L/h, is dripped
Fill belt distance 72-77cm, branch diameter used by drip irrigation selects 110mm, branch interval 60-80m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510397954.5A CN104938200B (en) | 2015-07-09 | 2015-07-09 | Xinjiang South Sinkiang cotton region broadcast before non-winter irrigation or non-spring irrigation continuous cropping Cotton Field under Drip Irrigation water-saving seedling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510397954.5A CN104938200B (en) | 2015-07-09 | 2015-07-09 | Xinjiang South Sinkiang cotton region broadcast before non-winter irrigation or non-spring irrigation continuous cropping Cotton Field under Drip Irrigation water-saving seedling method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104938200A CN104938200A (en) | 2015-09-30 |
| CN104938200B true CN104938200B (en) | 2017-03-01 |
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| CN107787633A (en) * | 2017-09-28 | 2018-03-13 | 新疆农垦科学院 | A kind of under-film drip irrigation cotton field subsurface layer fertilization method |
| CN108157105B (en) * | 2017-11-17 | 2020-06-02 | 新疆农业科学院经济作物研究所 | Method for protecting seedlings in cotton field without pre-sowing irrigation under drip irrigation under plastic film precision seeding cultivation environment |
| CN111742807A (en) * | 2020-07-09 | 2020-10-09 | 于永良 | High-efficiency cotton sowing method for high-standard cotton field |
| CN114451243B (en) * | 2022-02-08 | 2023-04-28 | 山东省农业科学院 | Seedling protection method for multiple micro-drip emergence of Xinjiang south saline-alkali soil |
| CN115005041A (en) * | 2022-04-27 | 2022-09-06 | 新疆穗峰绿色农业科技有限公司 | Dry-sowing and wet-out cultivation method for cotton in heavy soil by using 4.3-meter ultra-wide film |
| CN115119704A (en) * | 2022-07-26 | 2022-09-30 | 新疆三场丰收棉业有限责任公司 | Method for removing salt and alkali during dry sowing and wet emergence of cotton in southern Xinjiang area |
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