CN109566301A - A kind of green high yield replay corn planting method - Google Patents
A kind of green high yield replay corn planting method Download PDFInfo
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- CN109566301A CN109566301A CN201811630561.4A CN201811630561A CN109566301A CN 109566301 A CN109566301 A CN 109566301A CN 201811630561 A CN201811630561 A CN 201811630561A CN 109566301 A CN109566301 A CN 109566301A
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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
- A01G22/20—Cereals
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Abstract
The present invention provides a kind of green high yield replay corn planting methods, including site preparation, sowing, emergence post-processing and top dressing of pouring water, on the soil of leveling, it is laid with drip irrigation zone and mulch, according to line-spacing 70cm, every trade is connect away from 70cm sowing, and 4 seeds of every bunch planting kind, it is deep that seed is in 3-4cm under film, blinding on kind of cave, fertilizer and kind hill spacing are from 8-10cm when sowing；When corn height of seedling 20-30cm, corn herbicides special is beaten, 9-12 piece leaf before head water is intertilled, imposes particle zinc fertilizer；It is irrigated after imposing zinc fertilizer, top dressing is carried out after irrigation and carries out foliage-spray.The present invention can economize on electricity 50% or more during entire corn growth, water-saving 30-50% or more；Biological mutually sharp property is utilized in one-hill-multiple-plant, and stimulation maize root system bundle deeply effectively improves water, the fertilizer utilization rate in soil deep, and the every bundle 10cm deep downwards of maize root system, can save and pour water 33 cubic metres or more per acre according to statistics.
Description
Technical field
The present invention relates to a kind of production methods of corn, belong to replay corn planting field.
Background technique
Corn is grass family Zea annual herb plant.Alias: maize, ear of maize, maize, corn, corn, jade
Hay, maize, maize, luxuriant reed, big sorgo, northeast Liaoning words claim pearl grain, and Teochew claims SEMEN COICIS, and Guangdong language is known as maize, Fujian
Southern language is referred to as kind wheat.
Corn is annual monoecism cross-pollinatd plant, and plant is tall and big, and stem is strong, is important cereal crops and feeding
Material crop and the highest crops of whole world total output, cultivated area are only second to rice and wheat.Corn is all praised always
For life prolonging food, protein rich in, fat, vitamin, microelement, cellulose etc. have exploitation high nutrition, Gao Sheng
The great potential of object functional food.But since its heredity is complex, variation type is abundant, in conventional breeding process
There is excessive cycle, the coefficient of variation is excessive, influences the shortcomings that offspring development, and modern biotechnology breeding technique not only overcomes
Disadvantages mentioned above and deficiency, while also improving breeding speed and quality.Corn taste is fragrant and sweet, can do various dish, such as corn
It irons, corn juice etc., it is also the primary raw material of industrial alcohol and liquor.
Cultivation history about more than 470 years in China of corn.But due to yield height, quality is good, adaptable, cultivates face
Product have developed rapidly.China's sown area is only second to paddy and wheat at 300,000,000 mu or so at present, and third position is occupied in cereal crops, alive
The U.S. is only second in boundary.China is also accumulated from experience abundant to the cultivation technique of corn.Sowing: China corn producing region nature item
Part difference is very big, be according to local frost season length, and the soil texture, soil productivity plants purpose, selects suitable kind.Also
It is noted that the breeding of breeding, appropriate to arrange seed-breeding field area.The sowing time of corn is existed by temperature, the influence of humidity, Spring maize seeding
Stablizing in the upper layer 7.6cm at 15 DEG C is Optimal sowing date.The sowing in time after wheat or pea harvest of North China's Summer Maize,
Depth of planting is 2.5-10cm according to soil moisture content, with 5-6cm optimum.Application rate 3-4kg per acre, 4000-6000 plants per acre.
The planting patterns of fodder maize is unicast, is convenient for mechanically actuated from planting to harvesting, by eating beans, pea, Mao Ye with soybean, fodder
Make between sweet potato, the protein output of unit area can be improved.Management: plant is tall and big, and seed and vine yield are high, it is desirable that
Management is fine, applies fertilizer, pours water, pest and disease damage etc. is hoed up weeds and prevent and treat to chemistry is the key measures during fertile culture of maize manages.
The type of seeding of high-yield corn at present is to apply the high-quality barnyard manure of 2000-3000kg before broadcasting per acre as base manure, and when sowing applies 4-5kg/
Mu ammonium sulfate, 15-20kg/ mus of calcium superphosphate, 2-3kg/ mus of potassium chloride make seed manure, in jointing, booting, take out male, the flowering and grouting phase
Nitrogen Top Dressing, the time of infertility apply 10-20kg/ mus of nitrogen, N:P:K 1:0.5-0.8:0.8.Corn likes semiarid climate, but right
Moisture is very sensitive.One plant of corn daily water consumption about 2kg of florescence, per acre daily water consumption 3-4m3, time of infertility water consumption 250-
350m3.Different growing corn needs difference to moisture.10 days to 10 days after pumping hero are that corn needs water most in life before pumping is male
More, most sensitive to moisture periods, referred to as " critical period of water need ".This period will be irrigated.Corn will generally pour in life
Water 3-4 times, according to different regions, concrete condition and it is different.Irrigation method, China are mostly furrow irrigation, border irrigation, in recent years development utilization at present
Sprinkling irrigation, trickle irrigation, latter two method not only saved water, but also irrigated uniform.Corn intolerant to waterlogging, in level of ground water height and southern rainfall
Big area, it should be noted that drain or take the planting types such as ridge culture to prevent damage or crop failure caused by waterlogging.Corn frequent occurrence leaf spot, head smut,
It is anti-should to infuse selection for the insect pests such as the diseases such as smut, black streak dwarf, bacterial wilt and mythimna separata, corn borer, mole cricket, cutworm, grub
The measures such as sick kind, reinforcement cultivation management, efficent rotation and chemical control prevent and treat pest and disease damage in time.
Traditional corn plantation is mostly line-spacing 45-50cm, and centre is a drip irrigation zone, apart from plant about 20-25cm.
This planting patterns water usage is big and utilization is extremely insufficient, has high demand to mulch, the energy and corn yield is not
Height, with agrotechnical development, the increasing of agriculture competitive pressure needs the plantation side of more energy-saving and water-saving and high-yield and high-efficiency
Method improves the yield of replay area's corn and reduces plantation energy consumption.
Summary of the invention
For planting patterns water usage in the prior art, big and utilization is extremely insufficient, has to mulch, the energy high
Demand and corn yield it is not high, with agrotechnical development, the state of the art of the increasing of agriculture competitive pressure, the present invention is mentioned
A kind of green high yield replay corn planting method has been supplied, replay area's corn planting production capacity has been improved, reduces energy consumption, greatly save
The time of irrigation water improves irrigation efficiency, is proved by test data, can economize on electricity during entire corn growth
50% or more, water-saving 30-50% or more have wide applicability in replay corn planting field.
The present invention provides a kind of green high yield replay corn planting method, the implantation methods include the following steps:
(1) site preparation: after winter wheat harvest, watering, plow, ploughing, raking, and grab moisture sowing plows and applies base fertilizer phosphorus before turning over
Sour diammonium 15kg/ mus, 8kg/ mus of potassium sulfate.
(2) sow: on the soil of leveling, being laid with drip irrigation zone and mulch, according to line-spacing 60cm-80cm, connect every trade away from
60cm-80cm replay, 3-5 seeds of every bunch planting kind, seed are in 3-4cm depth under film, plant blinding 1.5-2.0cm on cave, sowing
When fertilization depth 5-10cm, fertilizer with kind hill spacing from 8-10cm, seed-fertilizer applying Diammonium phosphate (DAP), potassium sulfate.
(3) emergence post-processing: when corn height of seedling 20-30cm, beating corn herbicides special, 9-12 piece leaf before head water, intertillage,
Impose particle zinc fertilizer.
(4) it pours water top dressing: being irrigated after imposing zinc fertilizer, irrigate and infiltration is required uniformly not flood and do not leak, chased after after irrigation
Fertilizer carries out foliage-spray using corn regulating agent special when 10~12 leaf of corn.
In the present invention, after step (1) winter wheat harvest, straw-returning, the ploughing depth that plows will reach 30cm or more, it is desirable that plough
Deep consistent, it is uniform to turn over ridge, broadcasts preceding 2-3 days progress combined working soils, and site preparation is to be raveled to topsoil, is smooth and suppress
Operation, it is desirable that defincienct in the upper and excessive in the lower, 3-4cm of surface is empty, and 8-10cm of centre are real, and 10-15cm of bottommost is empty, reaches earth's surface after site preparation
It is smooth, topsoil state fine crushing.
In the present invention, Multiple seeding method broadcasts corn seed 2.9-3kg when sowing per acre.
In the present invention, the drip irrigation zone of 3.8L/h water dropper is selected in drip irrigation zone, and a drip irrigation zone of width film two is two-tube to be located at kind of a sub-line
Inside, away from kind of a sub-line 8cm, depth of dripping reaches 25cm or less for drip irrigation zone.
In the present invention, plastic film mulch uses the wide 105cm of whole life cycle design, film of thickness 0.010mm.
In the present invention, line-spacing 70cm when sowing, connects every trade and sowed away from 70cm, average 4 seeds of every bunch planting kind, theoretical mu strain
Number reaches 11905 plants.
Preferably, step (3) intertills, imposes 1kg/ mus of particle zinc fertilizer in the present invention.
Preferably, the even seedling agent of solid is applied when the fertilising of step (2) seed manure in the present invention, wherein Diammonium phosphate (DAP) 10kg/ mus, sulphur
Sour potassium 7kg/ mus, 7kg/ mus of solid even seedling agent.
Preferably, when head water droplet fills in the present invention, the even seedling agent of 5kg liquid is filled with water droplet, top dressing is based on urea after irrigation.
In the present invention, top dressing mu dosage is 40kg.
By " one-hill-multiple-plant " test of many times, multi-strain maize is become one plant of corn growth, improves replay corn yield knot
Structure realizes corn with high yield by increasing mu spike number." one-hill-multiple-plant " planting technology makes full use of the community superiority of corn, changes tradition
Single plant embark on journey and embark on journey for more plants, played the effect of dense planting volume increase, excavated the yield potential of existing kind.In addition, " a cave
More plants " cropping pattern improves field microclimate, and wide row dense planting solves ventilation and penetrating light contradiction of the corn under conditions of high density,
Be conducive to the accumulation of photosynthesis and dry matter, improve sunlight-heat reaources utilization rate, mitigates pest and disease damage and occur and endanger.Simultaneously " one
More plants of cave " cropping pattern improves corn lodging tolerance, and maize root system is deep-rooted, stalk flexibility enhancing, anti-fall, stem
Could power significantly improve.And " one-hill-multiple-plant " cropping pattern further promotes mechanization popularization, and Row spacing of maize is widened, convenient for machinery
Change operation, the labor intensity of peasant can be mitigated, improved work efficiency.
Site preparation of the invention is operated, " void ", " reality " derive from China ancients to the understanding of anthropogenic soil, after Wei,
It is the Chinese, Tang, Song, member, bright, clear until the fifties, are summarized as the Crop Species bed theory mark of the guiding agricultural production of " defincienct in the upper and excessive in the lower "
It is quasi-.Since 1977, the units such as forestry soil research institute, the Chinese Academy of Sciences and Agricultural University Of Shenyang are said to topsoil soils actual situation
It is inquired into feeding combination, proposes " actual situation is alternate " scheduling theory, the present invention exactly on the basis of forefathers' research, carries out
Research and development and innovation, propose actual situation quantitative data and interleaving pattern, prove that the present invention can effectively improve by test and make produce
Amount.
Beneficial effects of the present invention:
(1) implantation methods line-spacing of the invention is 70cm, and intermediate two drip irrigation zones are 8cm apart from plant, save significantly
About time of irrigation water；It counts through a large number of experiments it was demonstrated that the present invention can economize on electricity during entire corn growth
50% or more, water-saving 30%-50% or more；The mutually sharp property of biology is utilized in one-hill-multiple-plant, and stimulation maize root system is pricked deeply, effectively
Water, the fertilizer utilization rate in soil deep are improved, maize root system pricks 10cm per deep downwards according to statistics, can save and water 33 cubes per acre
More than；Root system transverse extension makes full use of fertilizer, moisture in the ranks, and soil and fertilizer and water utilization can be improved in measurement according to statistics
Rate 10%-20% or more has restored the habit of corn initial growth, wins honour for, strives heat, strives water, and the long habit of wild cluster creates
One corn gives full play to its growing environment for increasing production potential, effectively increases yield using modeling administration.
(2) Dominance in border row: corn is C4 plant, and light happiness temperature, illumination in the ranks is sufficient, and air flowing is unobstructed to be substantially increased
Corn photosynthetic efficiency, multi-strain maize line-spacing increase, ventilation and penetrating light, improve blade light area photosynthetic rate improve
30%, line-spacing increases, and improves the flowing of carbon dioxide, improves photosynthetic efficiency, is conducive to the abundant pollination of corn, improves field
Between miniclimate, coordinated the contradiction between group and individual, make multi-strain maize uniform growth develop, scientific line-spacing hill spacing be solution
It is that small range concentrates a wide range of dispersion certainly because concentration brings the key factor of problems.
(3) community superiority: the increase of strain number is more advantageous to for the basis for having established spike number of getting bumper crops and plays corn variety increasing
Potentiality are produced, mu grain weight increases, and mu strain number increases, and mu spike number increases, and per mu yield increase necessarily increases.
(4) degeneration-resistant advantage: line-spacing increases, and the root system of bunch planting maize planting is mutually deep-rooted, and aerial root is flourishing, mutually props up
Support forms a united entirety；Wind resistance: it is penetrating in the ranks, reduce the resistance that strong wind passes through；Well developed root system, support mentions mutually
High windproof ability；It is drought-enduring: because pricking under root system, to substantially increase the utilization of deep subsoil water；It is waterlogging: temporary after chance rainwater
When property ponding environment, because aerial root is flourishing, advantageous root breath is unlikely to seriously affect growing process.
(5) disease and insect resistance: big row plantation, ventilation and penetrating light improve field microclimate, reduce maize curvularia tikka
The generation of the pest and disease damages such as disease, brown spot, stem rot and northern and southern leaf blight reduces plant protection cost, reduces production loss.
Detailed description of the invention
Fig. 1 is line-spacing of the present invention and connects every trade away from the response surface figure to Yield of Corn；
Fig. 2 is the response surface figure of line-spacing of the present invention and every bunch planting kind seed number to Yield of Corn；
Fig. 3 is that the present invention connects every trade away from the response surface figure with every bunch planting kind seed number to Yield of Corn.
Specific embodiment
1 to attached drawing 3 and embodiment with reference to the accompanying drawing, and specific embodiments of the present invention will be described in further detail,
But apparatus of the present invention are not limited to following embodiments.
A kind of embodiment one: preparation method of green high yield replay corn planting method
The present invention provides a kind of green high yield replay corn planting method, the implantation methods include the following steps:
(1) site preparation: after winter wheat harvest, watering, plow, ploughing, raking, and grab moisture sowing plows and applies base fertilizer phosphorus before turning over
Sour diammonium 15kg/ mus, 8kg/ mus of potassium sulfate.
(2) sow: on the soil of leveling, being laid with drip irrigation zone and mulch, according to line-spacing 60cm-80cm, connect every trade away from
60cm-80cm replay, 3-5 seeds of every bunch planting kind, seed are in 3-4cm depth under film, plant blinding 1.5-2.0cm on cave, sowing
When fertilization depth 5-10cm, fertilizer with kind hill spacing from 8-10cm, seed-fertilizer applying Diammonium phosphate (DAP), potassium sulfate.
(3) emergence post-processing: when corn height of seedling 20-30cm, beating corn herbicides special, 9-12 piece leaf before head water, intertillage,
Impose particle zinc fertilizer.
(4) it pours water top dressing: being irrigated after imposing zinc fertilizer, irrigate and infiltration is required uniformly not flood and do not leak, chased after after irrigation
Fertilizer carries out foliage-spray using corn regulating agent special when 10~12 leaf of corn.
A kind of embodiment two: green high yield replay corn planting method
In the present invention, after winter wheat harvest, straw-returning is applied 15kg/ mus of base fertilizer Diammonium phosphate (DAP), 8kg/ mus of potassium sulfate, is applied
Plow and plough after base fertilizer, the ploughing depth that plows will reach 30cm or more, it is desirable that tilling depth is consistent, and it is uniform to turn over ridge, broadcast first 2-3 days into
Row combined working soil, site preparation be raveled to topsoil, it is smooth and suppression operation, it is desirable that defincienct in the upper and excessive in the lower, 3-4cm of surface
Void, 8-10cm of centre are real, and 10-15cm of bottommost is empty, reach grading, topsoil state fine crushing after site preparation；It is every when sowing
Mu broadcasts corn seed 2.9-3kg；The drip irrigation zone of 3.8L/h water dropper is selected in drip irrigation zone, and a drip irrigation zone of width film two is two-tube to be located at kind
On the inside of sub-line, away from kind of a sub-line 8cm, depth of dripping reaches 25cm or less for drip irrigation zone；Plastic film mulch is dropped using the full biology of thickness 0.010mm
Solve mulch, the wide 105cm of film；When sowing according to line-spacing 70cm, connect every trade and replay away from 70cm, average 4 seeds of every bunch planting kind are theoretical
Mu strain number reaches 11905 plants；After emergence when corn height of seedling 20-30cm, corn herbicides special is beaten, 9-12 piece leaf before head water, in
It ploughs, impose particle zinc fertilizer；It is irrigated after imposing zinc fertilizer, irrigates and infiltration is required uniformly not flood and do not leak, top dressing is carried out after irrigation,
Foliage-spray is carried out using corn regulating agent special when 10~12 leaf of corn.
Embodiment three: the method for administration of fertilizer in a kind of green high yield replay corn planting method of the present invention
In the present invention, winter wheat harvest after, straw-returning, apply base fertilizer, plow and turn over, leveling earth, be laid with drip irrigation zone and
Mulch starts to replay.When replay according to line-spacing 60cm-80cm, connect every trade away from 60cm-80cm, the 3-5 seeds replays of every bunch planting kind,
It is deep that seed is under film 3-4cm, plants blinding 1.5-2.0cm on cave, applies seed manure depth 5-10cm, fertilizer and kind hill spacing from 8-10cm,
10kg/ mus of seed-fertilizer applying Diammonium phosphate (DAP), 7kg/ mus of potassium sulfate, 7kg/ mus of solid even seedling agent.When corn height of seedling 20-30cm, corn is knit
Herbicides special, 9-12 piece leaf before head water, intertills, imposes 1kg/ mus of particle zinc fertilizer.It is irrigated after imposing zinc fertilizer, irrigates and require
Infiltration uniformly, is not flooded and is not leaked, top dressing is carried out after irrigation, and based on urea, top dressing mu dosage is 40kg, 10~12 leaf of corn for top dressing
When using corn regulating agent special carry out foliage-spray.
Example IV: the method for administration of fertilizer in a kind of green high yield replay corn planting method of the present invention
In the present invention, winter wheat harvest after, straw-returning, apply base fertilizer, plow and turn over, leveling earth, be laid with drip irrigation zone and
Mulch starts to replay.When replay according to line-spacing 60cm-80cm, connect every trade away from 60cm-80cm, the 3-5 seeds replays of every bunch planting kind,
Seed is in 3-4cm depth under film, plants blinding 1.5-2.0cm on cave, applies kind of a fertilization depth 5-10cm, fertilizer is with kind hill spacing from 8-
10cm, 10kg/ mus of seed-fertilizer applying Diammonium phosphate (DAP), 7kg/ mus of potassium sulfate.When corn height of seedling 20-30cm, corn herbicides special, 9- are beaten
It when 12 leaves, intertills, impose 1kg/ mus of particle zinc fertilizer.It is irrigated after imposing zinc fertilizer, fills 5kg liquid with water droplet when head water droplet fills
Even seedling agent irrigates and infiltration is required uniformly not flood and do not leak, top dressing is carried out after irrigation, based on urea, top dressing mu dosage is for top dressing
40kg carries out foliage-spray using corn regulating agent special when 10~12 leaf of corn.
Embodiment five: present invention green high yield replay corn field experiment and demonstration
2017, connecting 50 mu for 41 7 in South Sinkiang, replay milpa progress crop field comparative test demonstration, field trial were surveyed in flakes
Producing data see the table below 1, and conventional treatment is that local farmers are accustomed to planting patterns, the green high yield replay maize seed of the embodiment of the present invention two
Plant method.
1 present invention replay corn of table and peasant habit maize planting Yield comparison table
By comparing and can obtain between 1 data of table: Multiple seeding method of the present invention is increased production compared with peasant habit replay corn planting method
78%, volume increase, synergy reach extremely significant level of difference, the cropping pattern line-spacing of peasant habit and connect every trade away from less than 60, every cave
One to two seeds are planted, planting density is low, and does not have community competition advantage, can economize on electricity during entire corn growth
50% or more, water-saving 30%-50% or more, water-saving 20% or more, photosynthetic efficiency improves 30%.
Embodiment six: present invention green high yield replay corn planting method Optimum Experiment
Using Box-Behnken experimental design, line-spacing is probed into, connects every trade away from every bunch planting kind seed number is to corn yield
Influence, and in method for building up each compositional factors and corn yield relationship response surface mathematical model, response surface experiments factor and water
It is flat to be shown in Table 2, Box-bohnken experimental design and the results are shown in Table 3.
Table 2: response surface experiments factor level table
| Technological parameter | Unit | Minimum value | Maximum value |
| Line-spacing | cm | 60 | 80 |
| Connect every trade away from | cm | 60 | 80 |
| Every bunch planting kind seed number | ? | 3 | 5 |
| Corn yield | Kg/ mus | 546 | 760 |
Table 3:Box-bohnken experimental design result
| Experiment numbers | Line-spacing/cm | Every trade is connect away from/cm | Every bunch planting kind seed number/ | Corn yield/kg/ mus |
| 1 | 70 | 60 | 5 | 698 |
| 2 | 70 | 70 | 4 | 760 |
| 3 | 80 | 80 | 4 | 614 |
| 4 | 60 | 70 | 3 | 684 |
| 5 | 80 | 70 | 5 | 615 |
| 6 | 70 | 70 | 4 | 751 |
| 7 | 60 | 70 | 5 | 594 |
| 8 | 70 | 70 | 4 | 728 |
| 9 | 60 | 80 | 4 | 546 |
| 10 | 70 | 70 | 4 | 710 |
| 11 | 70 | 80 | 3 | 594 |
| 12 | 70 | 80 | 5 | 641 |
| 13 | 80 | 60 | 4 | 710 |
| 14 | 70 | 60 | 3 | 599 |
| 15 | 60 | 60 | 4 | 701 |
| 16 | 70 | 70 | 4 | 745 |
| 17 | 80 | 70 | 3 | 702 |
It is fitted by experimental data of the DesignExpert8.0.6 to table 3, obtains line-spacing, connect every trade away from every bunch planting
Influence model of the seed number to corn yield is planted, each interactive response surface of factor is referring to attached drawing 1 to attached drawing 3 in model.
Going out best implantation methods of the invention by Box-Behnken assay optimization is line-spacing 70cm, connects every trade away from 70cm,
Every bunch planting kind seed number 4, energy consumption is minimum under the technique, and corn yield highest reaches as high as 760kg/ mus, and passes through test
It is found that line-spacing in the present invention, connect every trade away from, the parameters such as every bunch planting kind seed number are one and influence each other, the relationship mutually restricted,
One variation of parameter necessarily brings other parameters relative changes, therefore, replay corn green planting side provided by the present invention
Each planting link of method is a mutually coordinated entirety.
As described above, the present invention can be realized preferably, the above embodiments are only to preferred implementation side of the invention
Formula is described, and is not intended to limit the scope of the present invention, and without departing from the spirit of the design of the present invention, this field is general
The various changes and improvements that logical technical staff makes technical solution of the present invention, should all fall into present invention determine that protection scope
It is interior.
Claims (10)
- The corn planting method 1. a kind of green high yield replays, which is characterized in that the implantation methods include the following steps:Site preparation: it after winter wheat harvest, waters, plow, ploughing, raking, grab moisture sowing is plowed before turning over, application of phosphoric acid diammonium 15kg/ Mu, 8kg/ mus of potassium sulfate；Sowing: on the soil of leveling, it is laid with drip irrigation zone and mulch, according to line-spacing 60cm-80cm, connects every trade away from 60cm-80cm Replay corn, 3-5 seeds of every bunch planting kind, and seed be under film 3-4cm depth, blinding 1.5-2.0cm on kind cave, and when sowing applies fertilizer Depth 5-10cm, fertilizer is with kind hill spacing from 8-10cm, seed-fertilizer applying Diammonium phosphate (DAP), potassium sulfate；Emergence post-processing: when corn height of seedling 20-30cm, beating corn herbicides special, when 9-12 piece leaf, intertills, imposes particulate zinc Fertilizer；It pours water top dressing: being irrigated after imposing zinc fertilizer, irrigate and infiltration is required uniformly not flood and do not leak, top dressing, corn are carried out after irrigation Foliage-spray is carried out using corn regulating agent special when 10~12 leaf.
- The corn planting method 2. a kind of green high yield as described in claim 1 replays, which is characterized in that step (1) winter After wheat harvest obtains, straw-returning, the ploughing depth that plows will reach 30cm or more, it is desirable that tilling depth is consistent, and it is uniform to turn over ridge, broadcasts first 2-3 days Carry out combined working soil, site preparation be raveled to topsoil, it is smooth and suppression operation, it is desirable that defincienct in the upper and excessive in the lower, surface 3- 4cm is empty, and 8-10cm of centre are real, and 10-15cm of bottommost is empty, reaches grading, topsoil state fine crushing after site preparation.
- The corn planting method 3. a kind of green high yield as described in claim 1 replays, which is characterized in that the implantation methods are broadcast Corn seed 2.9-3kg is broadcast per acre when kind.
- The corn planting method 4. a kind of green high yield as described in claim 1 replays, which is characterized in that the drip irrigation zone is selected The drip irrigation zone of 3.8L/h water dropper, a drip irrigation zone of width film two, two-tube to be located on the inside of kind of sub-line, drip irrigation zone is dripped away from kind of a sub-line 8cm Depth reaches 25cm or less.
- The corn planting method 5. a kind of green high yield as described in claim 1 replays, which is characterized in that the plastic film mulch uses thick Spend the wide 105cm of whole life cycle design, film of 0.010mm.
- The corn planting method 6. a kind of green high yield as described in claim 1 replays, which is characterized in that the line-spacing when sowing 70cm, every trade is connect away from 70cm sowing, averagely 4 seeds of every bunch planting kind, theoretical mu strain number reaches 11905 plants.
- The corn planting method 7. green high yield as described in claim 1 replays, which is characterized in that step (3) intertillage chases after Apply 1kg/ mus of particle zinc fertilizer.
- The corn planting method 8. a kind of green high yield as described in claim 1 replays, which is characterized in that step (2) kind The even seedling agent of solid, wherein Diammonium phosphate (DAP) 10kg/ mus, 7kg/ mus of potassium sulfate, 7kg/ mus of solid even seedling agent are applied when fertilizer fertilising.
- The corn planting method 9. a kind of green high yield as described in claim 1 replays, which is characterized in that the head water droplet fills When, the even seedling agent of 5kg liquid is filled with water droplet, top dressing is based on urea after irrigation.
- The corn planting method 10. a kind of green high yield as claimed in claim 9 replays, which is characterized in that the top dressing mu is used Amount is 40kg.
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| CN110463534A (en) * | 2019-08-30 | 2019-11-19 | 张掖市博丰农业科技有限责任公司 | A kind of corn environmental protection cost-saving synergistic cultural method |
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