CN108184576B - Mulching planting method for winter wheat and summer corn double cropping system - Google Patents
Mulching planting method for winter wheat and summer corn double cropping system Download PDFInfo
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- CN108184576B CN108184576B CN201810123998.2A CN201810123998A CN108184576B CN 108184576 B CN108184576 B CN 108184576B CN 201810123998 A CN201810123998 A CN 201810123998A CN 108184576 B CN108184576 B CN 108184576B
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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
- 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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Abstract
The invention discloses a mulching film mulching planting method for winter wheat and summer corn in two cropping per year, which is characterized in that a mulching film is paved before winter wheat is sowed, a mulching film mulching planting belt and non-mulching film planting belts on two sides of the mulching film are formed in an interval paving mode, winter wheat is planted in a hole sowing mode in the mulching film mulching planting belt, winter wheat is planted in the non-mulching film mulching planting belt in a drill sowing mode, the mulching film is not uncovered after the winter wheat is harvested, summer corn is planted in the non-mulching film mulching planting belt, summer corn is not planted in the mulching film mulching planting belt, the summer corn is harvested, and seed production and planting of the winter wheat and the summer corn in two cropping per year are completed. According to the planting method, a mode of mulching the winter wheat and the summer corn all year round and mulching the winter wheat and the summer corn at intervals is adopted, the winter wheat and the summer corn are reasonably distributed in different planting zone areas, and micro-spraying zone irrigation is combined, so that the irrigation amount in the growth period can be reduced, the water utilization efficiency is improved, the lodging resistance of the corn can be enhanced, and a planting mode of the winter wheat and the summer corn with small irrigation quota and higher yield per unit area for two cropping every year is formed.
Description
Technical Field
The invention relates to the technical field of crop planting, in particular to a mulching film mulching planting method for winter wheat and summer corn double cropping in one year.
Background
Winter wheat and summer corn are produced twice a year, the main grain crop planting mode in the plain area before the northern mountains of China is that the annual water consumption of crops needs 700-800 mm in the mode, the annual average precipitation of the area is only about 530mm, the planting mode replenishes the irrigation water amount by adopting a ground flood irrigation mode for a long time, and a series of ecological environment problems such as serious water resource waste, serious underground water overstrain, underground water level reduction, foundation settlement and the like are caused due to large irrigation quota and low water utilization efficiency, so that the problem of water resource shortage existing in the northern area of China is further worsened.
The plastic film mulching planting technology is a protective planting technology which utilizes a polyethylene plastic film with the thickness of 0.015-0.02 mm to cover a farmland before or after sowing, utilizes the characteristics of good light transmittance, poor heat conductivity, air impermeability and the like of the film to improve the ecological environment condition of the farmland, promotes the growth and development of crops, and improves the yield and the quality of the crops.
The plastic film mulching planting technology is applied to planting of winter wheat and summer corn, irrigation water consumption is saved, crop yield is improved, the water-saving potential of the winter wheat cannot be fully exerted in the current planting mode, and the summer corn is often fallen due to wind disasters in the later growth period, so that the yield is seriously reduced. How to realize reducing the water consumption of winter wheat in the growth period, improving the water utilization efficiency and solving the problem that the corn yield is influenced by lodging in the late growth period of summer corn on the premise of not reducing the yield per unit time is a difficult problem to be solved urgently at present.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides a winter wheat and summer corn one-year-two-cropping mulching film mulching planting method, which adopts a mode of combining a whole-year mulching film with a mulching film for interval paving to form a film mulching planting belt and a non-film mulching planting belt, and reasonably distributes the winter wheat and the summer corn in different planting belt areas, thereby reducing the water irrigation amount in the growth period, improving the water utilization efficiency, enhancing the lodging resistance of the corn, and forming a winter wheat and summer corn one-year-two-cropping planting mode with small water irrigation quota and higher yield per unit area.
In order to achieve the purpose, the method for planting the winter wheat and the summer corn by mulching the two-cropping-one-year-two-cropping-one-year mulching film mulching comprises the steps of paving a mulching film before the winter wheat is sowed, forming a mulching film mulching planting belt and non-mulching film mulching planting belts on two sides of the mulching film in an interval paving mode, planting the winter wheat in a hole sowing mode on the mulching film mulching planting belt, planting the winter wheat in a drill sowing mode on the non-mulching film mulching planting belt, planting the summer corn in the non-mulching film mulching planting belt, harvesting the summer corn without planting the summer corn in the mulching film mulching planting belt, and completing the seed production and planting of the winter wheat and the summer corn by two-cropping.
The invention relates to a mulching film mulching planting method for planting winter wheat and summer corn in two cropping system for one year, which is characterized in that a mulching film is paved before the winter wheat is sowed, the mulching film is used for covering all the year, and the mulching film is not uncovered in the middle stage of harvesting the winter wheat and planting the summer corn, so that the mulching film plays a role in mulching the crops of two seasons. Meanwhile, a mulching film is paved at intervals to form a mulching film planting belt and a non-mulching film planting belt, winter wheat is planted in the mulching film planting belt in a hole sowing mode matched with a drill sowing mode of the non-mulching film planting belt, the water-saving potential of the wheat is greatly developed, the irrigation water consumption of the wheat is greatly reduced, the water utilization rate is improved, and meanwhile, the high yield of the wheat is kept; after the winter wheat is harvested, summer corn is planted only in the non-film-covered planting zone, and the film-covered planting zone is not planted, so that on one hand, invalid evaporation of soil moisture is reduced, the moisture utilization rate is improved, and the irrigation water consumption of the corn is reduced by covering the space between corn rows with a plastic film; on the other hand, a wide-narrow row planting mode of the corn is formed, the ventilation and light transmission and lodging resistance of field plants are enhanced, the influence of lodging problems on the corn yield is reduced, and the corn yield is further improved; in addition, the corn is planted in the non-mulching planting zone, so that the corn can be conveniently sown, the mulching film cannot be damaged, and both manual sowing and mechanical sowing are suitable. The planting method for the winter wheat and the summer corn with small irrigation quota and higher yield per unit area is formed by changing the traditional planting mode of the winter wheat and the summer corn with double cropping in one year and optimizing and combining a plurality of links such as seeding, film covering modes, planting modes and the like.
As a limitation to the above technical solution, the planting method comprises a mulching and sowing step, wherein the mulching and sowing step comprises the following operations:
b1, paving mulching films with the width of 80-90 cm in a spaced paving mode before sowing winter wheat, and keeping a space with the width of 30-40 cm between the films to form a mulching film and an un-mulching film planting belt;
b2, sowing winter wheat on the mulching film planting belt in a hole mode, wherein the sowing row spacing is 12-15 cm, the hole spacing is 10-13 cm, the hole depth is 3-5 cm, and 6-9 seeds are placed in each hole; sowing winter wheat on the non-film-covered planting belt in a drill mode, and planting 2-3 rows;
b3, after the winter wheat is harvested, the mulching film is not uncovered, and only the planting belt without the mulching film is used for planting 2 rows of summer corns.
The conditions of mulching operation parameters, wheat seeding row spacing, hole spacing, row number, corn seeding row number and the like are further limited, so that the wheat and corn are more reasonably planted, and a better water-saving and yield-increasing result is obtained.
As the limitation of the technical proposal, the method comprises the steps of land preparation and bedding and seed treatment before sowing before the step of mulching and sowing.
As a limitation to the above technical solution, the step of ridging and seed treatment before sowing comprises the following operations:
a1, soil preparation and bed making, and base fertilizer application: crushing corn straws, returning the crushed corn straws to the field, applying a base fertilizer, carrying out rotary tillage twice, wherein the tillage depth is more than 15cm, and making a furrow, the furrow width is 5.0-7.0 m, and the furrow length is 7.0-9.0 m;
a2, seed treatment: after cleaning, winter wheat seeds are mixed with a special seed-dressing agent, and summer corn seeds are not mixed if coated.
As the limitation of the technical proposal, the method comprises the steps of seedling management and pest control after the step of film covering and seeding.
As a limitation on the technical scheme, the seedling management and pest control step comprises the following operations:
c1, seedling management:
carrying out artificial auxiliary seedling release for 2 times in the winter wheat seedling stage, carrying out the first time 12-14 days after sowing, and carrying out the second time 19-21 days after sowing;
irrigating winter wheat and summer corn in a micro-spray belt irrigation mode, and irrigating for 30-37.5 mm of water for each time in the growing period of the winter wheat for water saving and flowering; irrigating seedling water and large bell mouth water in the summer corn growth period, wherein the irrigation quantity is 30-37.5 mm each time;
c2, pest control: and (4) performing pest control according to a conventional mode.
As a limitation to the technical scheme, the laying interval of the micro-spraying belts is 1.8-2.4 m.
Further limiting the land preparation and seed treatment before film mulching and sowing, seedling management and irrigation modes after film mulching and sowing in the planting method, perfecting the operation of the planting mode and fully exerting the water-saving and yield-increasing effects in the mode.
In conclusion, by adopting the technical scheme of the invention, the obtained planting method for mulching the winter wheat and summer corn twice a year is characterized in that a mode of mulching the whole year mulching plastic film and mulching the plastic film at intervals is adopted, so that the mulching film can be used for preserving the soil moisture of the crops in two seasons; in addition, winter wheat is planted in the film-covered planting zone in a hole sowing mode matched with a drill sowing mode of a non-film-covered planting zone, so that the water-saving potential of the wheat is greatly developed; in addition, summer corns are planted only in the non-film-covered planting zone, so that the ventilation and light transmission performance and lodging resistance of the corns are obviously enhanced, and the influence of lodging problems on the yield of the corns is reduced. The winter wheat and the summer corn are reasonably distributed in different planting zone areas, and the micro-spraying zone is used for irrigation in a combined mode, so that the irrigation amount in the growth period is reduced to the maximum degree, the water utilization efficiency is improved, the lodging resistance of the corn can be enhanced, and a one-year-two-harvest planting mode of the winter wheat and the summer corn with small irrigation quota and higher yield per unit area is formed.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
The embodiment relates to a mulching planting method for winter wheat and summer corn for two cropping in one year, which comprises the following steps:
a. soil preparation bedding and seed treatment before sowing
a1, soil preparation and bed making, and base fertilizer application: after harvesting the upper-stubble corn, crushing the straws and returning the straws to the field, applying a base fertilizer, and then carrying out rotary tillage twice, wherein the tillage depth is more than 15cm, and the furrow is made with the width of 5.5m and the length of 7.8 m;
a2, seed treatment: after cleaning, winter wheat seeds are mixed with special seed-dressing agent (i.e. pesticide and bactericide), and summer corn seeds are coated without dressing;
b. film mulching and sowing:
b1, paving mulching films with the width of 80cm at intervals before sowing winter wheat, and keeping a space of 40cm between the films to form a mulching film and non-mulching film planting belt;
b2, sowing winter wheat on the mulching film planting belt in a hole sowing mode, wherein the row spacing is 13cm, the hole spacing is 12cm, the hole depth is about 4.0cm, and 7-8 seeds are placed in each hole; sowing winter wheat on the non-film-covered planting belt in a drill mode, and planting 2-3 rows;
b3, after the winter wheat is harvested, the mulching film is not uncovered, and only the planting belts without the mulching film are used for planting 2 rows of summer corns; because the corn is planted between the films, the mulching film cannot be damaged during sowing, and both manual sowing and mechanical sowing are suitable;
c. seedling management and pest control after sowing:
c1, seedling management: carrying out artificial auxiliary seedling release for 2 times in the winter wheat seedling stage, carrying out the first time 12-14 days after sowing, and carrying out the second time 19-21 days after sowing;
irrigating winter wheat and summer corn by adopting a micro-spraying belt irrigation mode, wherein the laying interval of the micro-spraying belts is 1.8 m; irrigating water for saving and flowering in the winter wheat growth period, wherein the irrigation amount is 37.5mm each time; irrigating seedling water and water with a large bell mouth in the summer corn growth period, wherein the irrigation amount is 37.5mm each time;
c2, pest control: performing pest control according to a conventional mode;
d. harvesting at proper time: harvesting in 3-5 days earlier than conventional planting in the year with little precipitation in the winter wheat growth period, and normally harvesting in the year with much precipitation; and (5) harvesting summer corns normally.
The planting method and the contrast of the traditional cultivation are carried out at the experimental demonstration base of the institute of food and oil crops of the academy of agriculture and forestry, province of the chenge and the Hebei province, the variety of the winter wheat tested is the balance 4444 (bred by the research institute of dry farming agriculture of the academy of agriculture and forestry, Hebei province), and the variety of the corn is the Zhengdan 958.
Example 1
According to the planting method provided by the embodiment of the invention, wheat with artificial sowing (sowing after film covering) is planted in the film covering manner in 2015 year 10-13 months, and the sowing amount is 180kg/hm2(ii) a Sowing 3 rows of wheat in the non-film-covered planting strip with the sowing quantity of 225kg/hm2(ii) a Sowing 2 rows of corns on the non-film-covered planting belt by using a sowing machine in 2016, 6 months and 16 days, and sowing no corns on the film-covered planting belt, namely forming a planting mode of 80cm +40cm wide and narrow rows with the density of 5000 plants/mu.
Using conventional cultivation as control group, i.e. no film covering, sowing in wheat seeder (12 rows), planting at equal row spacing, row spacing of 15cm, sowing amount of 225kg/hm2(ii) a Sowing corns by adopting a sowing machine (3 rows), planting corns at equal row spacing, wherein the row spacing is 60cm, and the density is 5000 plants/mu; the sowing time of wheat and corn is the same as that of the planting method of the invention.
Because the plastic film mulching increases the soil temperature in the planting method, the wheat seeding amount is reduced compared with the traditional planting method. The fertilizer dosage of the two modes is consistent, namely 675kg/hm of special compound fertilizer for wheat is applied before the wheat is land-preparation and sowing2(containing 19% of pure N, P)2O521％、K2O5%), dressing urea (containing pure N46%) 225kg/hm with water in jointing stage2(ii) a When the corn is sowed, 675kg/hm of compound fertilizer special for bottom application of corn2(containing 25% of pure N, P)2O58％、K2O12%), no topdressing in growth period. The wheat in the test field of the two modes is irrigated for 2 times in 2016 (day of jointing) and 6 days (day of flowering) 4 and 7 months and 5 and 6 months (day of flowering water), and the corn is irrigated for 17 days (seedling emergence water) in 2016 (day of emergence water) 6 and 6 months) And irrigating for 7 months and 30 days (large bell mouth water) for 2 times, wherein the water irrigation quantity of the experimental field for 4 times is 37.5mm in the embodiment, and the water irrigation quantity of the traditional cultivation experimental field for 4 times is 75 mm. Other management is the same as general field.
The test results are as follows:
the planting method of the invention tests that the plot grain crop yield and the yield three factors are respectively: the number of wheat ears per mu is 38.3 ten thousand, the number of grains per ear is 33.5, the weight of thousand grains is 49.1g, and the yield is 586 kg/mu; the ear number of corn per mu 4470, the ear number of grains 487, the thousand-grain weight 340.1g and the yield 685 kg/mu.
The yield and the output of the traditional cultivation control group of grain crops are respectively as follows: the number of ears of wheat per mu is 44.4 ten thousand, the number of grains per ear is 31.5, the weight of thousand grains is 43.4g, and the yield is 573 kg/mu; the ear number per mu of the corn is 4573, the ear number is 469, the thousand kernel weight is 329.5g, and the yield is 657 kg/mu.
Example 2
According to the planting method provided by the embodiment of the invention, the winter wheat with artificial sowing (sowing after film covering) is planted in the film covering manner in 14 days 10 months in 2016, and the sowing quantity is 180kg/hm2(ii) a Sowing 3 rows of winter wheat in the non-film-covered planting strip with the sowing quantity of 225kg/hm2(ii) a Sowing 2 rows of corns on the non-film-covered planting belt by using a sowing machine in 15 days 6 months 2017, and sowing no corns on the film-covered planting belt, namely forming a planting mode of 80cm +40cm wide and narrow rows, wherein the density is 5000 plants/mu.
Using conventional cultivation as control group, i.e. no film covering, sowing in wheat seeder (12 rows), planting at equal row spacing, row spacing of 15cm, sowing amount of 225kg/hm2(ii) a Sowing corns by adopting a sowing machine (3 rows), planting corns at equal row spacing, wherein the row spacing is 60cm, and the density is 5000 plants/mu; the sowing time of wheat and corn is the same as that of the planting method of the invention.
Because the plastic film mulching increases the soil temperature in the planting method, the wheat seeding amount is reduced compared with the traditional planting method. The fertilizer dosage of the two modes is consistent, namely 675kg/hm of special compound fertilizer for wheat is applied before the wheat is land-preparation and sowing2(containing 19% of pure N, P)2O521％、K2O5%), dressing urea (containing pure N46%) 225kg/hm with water in jointing stage2(ii) a When the corn is sowed, 675kg/hm of compound fertilizer special for bottom application of corn2(containing pure N25%、P2O58％、K2O12%), no topdressing in growth period. The wheat in the test fields of the two modes is irrigated for 2 times in 5 days (jointing stage) and 5 days (flowering water) in 4 months in 2017, the corn is irrigated for 2 times in 16 days (emergence water) and 28 days (large-bell mouth water) in 6 months and 7 months in 28 days in 2017, the water irrigation quantity of the test fields of the embodiment is 37.5mm, and the water irrigation quantity of the test fields of the traditional cultivation is 75mm in 4 times. Other management is the same as general field.
The test results are as follows:
the planting method of the invention tests that the plot grain crop yield and the yield three factors are respectively: the number of wheat ears per mu is 45.7 ten thousand, the number of grains per ear is 32.1, the weight of thousand grains is 45.8g, and the yield is 675 kg/mu; the corn ear per mu number is 4536, the ear number is 472, the thousand kernel weight is 303.6g, and the yield is 612 kg/mu.
The yield and the output of the traditional cultivation control group of grain crops are respectively as follows: 47.5 ten thousand wheat ears per mu, 33.2 wheat ears per mu, 42.6g thousand grains per mu and 656 kg/mu of yield; the ear number per mu of the corn is 4629, the ear grain number is 459, the weight of thousand grains is 293.4g, and the yield is 590 kg/mu.
Compared with the traditional cultivation, the planting method disclosed by the invention has the advantages that under the condition that the irrigation water is saved by 50%, the thousand seed weight can be respectively increased by 13.1% and 7.5% in 2015-2016 and 2016-2017, and the seed yield is respectively increased by 2.3% and 2.9%; under the condition of saving irrigation water by 50%, thousand kernel weight of summer corn is respectively increased by 3.2% and 3.5% in 2016 and 2017, and seed yield is respectively increased by 4.3% and 3.7%. Therefore, the method changes the traditional farming habit, optimizes and combines a plurality of links such as seeding, film mulching modes, planting modes and the like, and combines the irrigation mode of the micro-irrigation belt, so that the method not only greatly reduces the irrigation water consumption of winter wheat and summer corn compared with the conventional planting mode, but also improves the water utilization efficiency without reducing the yield. And moreover, the plastic film covers the corn rows, so that ineffective evaporation of soil moisture is reduced, and the ventilation and light transmission and lodging resistance of the corn are enhanced. The planting method gives full play to the characteristic that the mulching film covering technology and the micro-irrigation technology can obviously improve the water utilization efficiency of crops, and simultaneously realizes the obvious improvement of the comparative benefits of wheat and corn production in Huang-Huai-Hai regions.
In conclusion, the mulching film covering planting method for the winter wheat and summer corn with the two cropping systems in one year adopts a mode of combining the whole-year mulching film covering with the mulching film interval spreading, and not only plays a role in covering the film and preserving the soil moisture for the crops in two seasons; in addition, winter wheat is planted in the film-covered planting zone in a hole sowing mode matched with a drill sowing mode of a non-film-covered planting zone, so that the water-saving potential of the wheat is greatly developed; in addition, summer corns are planted only in the non-film-covered planting zone, so that the ventilation and light transmission performance and lodging resistance of the corns are obviously enhanced, and the influence of lodging problems on the yield of the corns is reduced. The winter wheat and the summer corn are reasonably distributed in different planting zone areas, and a micro-spraying zone irrigation mode is combined, so that the irrigation amount in the growth period can be reduced to the maximum extent, the water utilization efficiency is improved, the lodging resistance of the corn can be enhanced, and a one-year-two-harvest planting mode of the winter wheat and the summer corn with small irrigation quota and higher yield per unit area is formed.
Claims (7)
1. A mulching planting method for winter wheat and summer corn with two cropping systems in one year is characterized in that: according to the planting method, a mulching film is paved before winter wheat is sowed, a mulching film planting belt and non-mulching film planting belts on two sides of the mulching film are formed in an interval paving mode, the winter wheat is planted in the mulching film planting belts in a hole sowing mode, the winter wheat is planted in the non-mulching film planting belts in a drill sowing mode, the mulching film is not uncovered after the winter wheat is harvested, summer corn is planted in the non-mulching film planting belts, the summer corn is harvested without planting the summer corn in the mulching film planting belts, and the double-cropping seed production and planting of the winter wheat and the summer corn in one year are completed.
2. The planting method for mulching the plastic film of the winter wheat and summer corn ripened twice a year according to claim 1, which comprises a mulching and sowing step, wherein the mulching and sowing step comprises the following operations:
b1, paving mulching films with the width of 80-90 cm in a spaced paving mode before sowing winter wheat, and keeping a space with the width of 30-40 cm between the films to form a mulching film and an un-mulching film planting belt;
b2, sowing winter wheat on the mulching film planting belt in a hole sowing mode, wherein the row spacing is 12-15 cm, the hole spacing is 10-13 cm, the hole depth is 3-5 cm, and 6-9 seeds are placed in each hole; sowing winter wheat on the non-film-covered planting belt in a drill mode, and planting 2-3 rows;
b3, after the winter wheat is harvested, the mulching film is not uncovered, and only the planting belt without the mulching film is used for planting 2 rows of summer corns.
3. The mulch film planting method for winter wheat and summer corn twice a year according to claim 2, wherein: before the step of mulching and sowing, the steps of land preparation and ridging and seed treatment are included before sowing.
4. The mulch film planting method for winter wheat and summer corn double cropping year after year as claimed in claim 3, wherein the whole land bedding and seed treatment step before sowing comprises the following operations:
a1, soil preparation and bed making, and base fertilizer application: crushing corn straws, returning the crushed corn straws to the field, applying a base fertilizer, carrying out rotary tillage twice, wherein the tillage depth is more than 15cm, and making a furrow, the furrow width is 5.0-7.0 m, and the furrow length is 7.0-9.0 m;
a2, seed treatment: after cleaning, winter wheat seeds are mixed with a special seed-dressing agent, and summer corn seeds are not mixed if coated.
5. The mulch film planting method for winter wheat and summer corn twice a year according to claim 2, wherein: after the step of film covering and sowing, the method comprises the steps of seedling management and pest control.
6. The film mulching planting method for winter wheat and summer corn twice a year according to claim 5, wherein: the seedling management and pest control steps comprise the following operations:
c1, seedling management:
carrying out artificial auxiliary seedling release for 2 times in the winter wheat seedling stage, carrying out the first time 12-14 days after sowing, and carrying out the second time 19-21 days after sowing;
irrigating winter wheat and summer corn in a micro-spray belt irrigation mode, and irrigating for 30-37.5 mm of water for each time in the growing period of the winter wheat for water saving and flowering; irrigating seedling water and large bell mouth water in the summer corn growth period, wherein the irrigation quantity is 30-37.5 mm each time;
c2, pest control: and (4) performing pest control according to a conventional mode.
7. The film mulching planting method for winter wheat and summer corn twice a year according to claim 6, wherein: the laying interval of the micro-spraying belts is 1.8-2.4 m.
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102687632A (en) * | 2012-01-15 | 2012-09-26 | 河南科技大学 | Wheat planting method for relay-intercropping peanuts and intercropping corns |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102687632A (en) * | 2012-01-15 | 2012-09-26 | 河南科技大学 | Wheat planting method for relay-intercropping peanuts and intercropping corns |
Non-Patent Citations (2)
| Title |
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| 小麦/玉米间作优势及地上部与地下部因素的相对贡献研究;李来祥;《干旱地区农业研究》;20080131;第74-80页 * |
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