CN109362507A - A kind of implantation methods improving corn yield - Google Patents
A kind of implantation methods improving corn yield Download PDFInfo
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- CN109362507A CN109362507A CN201811523286.6A CN201811523286A CN109362507A CN 109362507 A CN109362507 A CN 109362507A CN 201811523286 A CN201811523286 A CN 201811523286A CN 109362507 A CN109362507 A CN 109362507A
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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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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
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Abstract
This application discloses a kind of implantation methods for improving corn yield, comprising the following steps: (1) selects breeding；(2) seed treatment；(3) site preparation and fertilization；(4) it begins sowing in good time；(5) rational close planting；(6) fertilizing and weeding；(7) prevention and control of plant diseases, pest control；(8) it harvests in due course.The step (1) selects breeding, further comprises: according to heat resources condition, local precipitation accumulated temperature and production management condition, preceding stubble varieties of plant and disease incidence, picking out appearance qualification, particle is intact, full to have meat, purity is high did not suffer the corn seed of pest and disease damage.The method of the present invention can effectively increase ventilation and penetrating light performance compared with conventional corn kind implantation methods, be conducive to top dressing in the ranks, be conducive to nutrient and be concentrated use in, can effectively increase corn yield.Its is easy to operate, and cost is relatively low and yield is high.
Description
Technical field
The present invention relates to crop planting technical field, in particular to a kind of cultivating and growing method for improving corn yield.
Background technique
Corn is the second largest cereal crops in China, and full of nutrition, good for health, market capacity is big, is important grain
Crop and important feed resource.Corn is annual monoecism cross-pollinatd plant, and plant is tall and big, and stem is strong, is important
Cereal crops and forage crop and the highest crops of whole world total output, cultivated area and total output be only second to water
Rice and wheat.
Corn is all known as always life prolonging food, protein rich in, fat, vitamin, microelement, cellulose
Deng with exploitation high nutrition, the great potential of high biological function food.But since its heredity is complex, make a variation type
It 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.
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.It is 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 natural conditions difference
It is very big, be according to local frost season length, the soil texture, soil productivity plants the moon, selects suitable kind, fodder maize
It is high with dent type cenospecies yield.
The sowing time of corn is by temperature, the influence of humidity.It is most preferably to broadcast that Spring maize seeding, which is stablized in the upper layer 7.6cm at 15 DEG C,
The kind phase.The sowing in time after wheat or pea harvest of North China's Summer Maize.Depth of planting is 2.5- according to soil moisture content
10cm, with 5-6cm optimum.Application rate 3-4kg per acre, 4000-6000 plants per acre.
The planting patterns of corn includes: unicast in the prior art, is convenient for mechanically actuated from planting to harvesting.With soybean, socks
Make between food beans, pea, villose vetch, the protein output of unit area can be improved.Management: plant is tall and big, seed and
Vine yield is high, it is desirable that management is fine.It applies fertilizer, pour water, chemistry is hoed up weeds and prevents and treats pest and disease damage etc. is in fertile culture of maize management
Key measures.
In the prior art, the corn that obtain high yield and high quality applies the high-quality barnyard manure of 2000-3000kg as base before broadcasting per acre
Fertilizer.4-5kg/ mus of sulfuric acid are applied when sowing by, 15-20kg/ mus of calcium superphosphate, 2-3kg/ mus of chlorination trees make seed manure jointing, booting,
Take out male, flowering and grouting phase Nitrogen Top Dressing.The time of infertility applies 10-20kg/ mus of nitrogen.N: P: K 1: 0.5-0.8: 0.8.Corn happiness
Semiarid climate, but it is very sensitive to moisture.One plant of corn daily water consumption about 2kg of florescence, per acre daily water consumption 3-4m3, entirely
Breeding time water consumption 250-350m3。
Corn intolerant to waterlogging, in the big area of the high and southern rainfall of level of ground water, it should be noted that drain or take ridge culture, close field
Planting type prevents damage or crop failure caused by waterlogging.Corn frequent occurrence the diseases such as leaf spot, head smut, smut, black streak dwarf, bacterial wilt and
The insect pests such as mythimna separata, corn borer, mole cricket, cutworm, grub.It should infuse and select disease-resistant variety, reinforce cultivation management, efficent rotation and medicine
The measures such as agent prevention and treatment prevent and treat pest and disease damage in time.
With the continuous development of science and technology, traditional corn planting method can not meet the requirement of modern agriculture.
Traditional corn planting method is a cave single plant planting type, due to being limited by a variety of conditions, planting density is generally 4200~
4700 plants/acre, therefore, root growth, lodging tolerance, corn pollination chance, evaporation from topsoil speed and the night of crop
The disadvantages of temperature, which distributes to be in, is unfavorable for corn growth aspect, causes the implantation methods yield lower, and grain quality is poor, causes
The disadvantages of implantation methods yield is lower, and grain quality is poor and it is unfavorable for field management and harvest；In addition farming technique falls behind, whole
Geological measuring is poor, and sowing is horizontal low, Miao Buquan, does not strengthen, and density is not suitable for, and corn yield is made to reduce 5~8%.
Grain ration and " king of feed " of the corn as people, people always in the implantation methods of continuous Improvement corn,
To obtain the corn of higher quality, higher yield.
Summary of the invention
Technical problem to be solved by the present invention lies in, a kind of implantation methods for improving corn yield are provided, it can be effective
Prevention and treatment lodging；Potential competition promotes corn root more to strengthen, and is conducive to Nutrient Absorption；Improve the utilization rate of chemical fertilizer.With it is common
Maize seed implantation methods are conducive to top dressing in the ranks, are conducive to nutrient and are concentrated use in compared to can effectively increase ventilation and penetrating light performance, energy
It is effective to increase corn yield.Its is easy to operate, and cost is relatively low and yield is high.
In order to solve the above technical problems, the present invention provides a kind of implantation methods for improving corn yield, including following step
It is rapid:
(1) breeding is selected；
(2) seed treatment；
(3) site preparation and fertilization；
(4) it begins sowing in good time；
(5) rational close planting；
(6) fertilizing and weeding；
(7) prevention and control of plant diseases, pest control；
(8) it harvests in due course.
The step (1) selects breeding, may further include: according to heat resources condition, local precipitation accumulated temperature and life
Management condition, preceding stubble varieties of plant and disease incidence are produced, appearance qualification is picked out, particle is intact, and full to have meat, purity is high does not have
There is the corn seed for suffering pest and disease damage.
Step (2) seed treatment, may further include: the maize seed that step (1) is picked out is put in the sun
Sunning 2~3 days；Maize seed is cleaned with clear water again, puts into seed soaking 20 in seed-soaking liquid~for 24 hours, natural air drying after taking-up, until educate
Seedling sowing.
Step (3) site preparation and fertilization, may further include: selection topography is flat, and irrigation and drainage are convenient, and ventilation is good, soil
Earth is fertile and the sandy loam soil of the content of organic matter 3%~8% is as planting site, carries out deep ploughing processing to the planting site of selection and applies
Base manure, soil moisture conservation of raking the soil level；Meanwhile selecting soybean, wheat or potato as preceding stubble.
The step (4) is begun sowing in good time, and may further include: sow in spring by the end of February~early March, autumn sowing by the end of July~
Early August；The sowing when 5~10cm ground temperature reaches 10~12 DEG C.
Step (5) rational close planting, may further include: by row sowing, sowing line-spacing is 85-95cm, is planted close
Degree is 3300~3500 plants/acre, and every bunch planting kind 2-3,4~6cm of seed level after planting waters.
Step (6) fertilizing and weeding, may further include: corn is after spring ploughing, by farmyard manure and chemical fertilizer
Uniformly mixed is sprinkled upon on soil；It needs to apply fertilizer again when maize seedling grows to 35-50cm high；At heading stage, phosphorus is used
Acid dihydride potassium is watered with urea, carries out spray fertilizer；The weeds around maize seedling are removed in maize seedling budding, each stage
It needs except primary grass.
Step (7) prevention and control of plant diseases, pest control, may further include: Corn Stalk Rot, with 1000 times of Ridomil MZ Gold or
Cover gram 1000 times of pouring roots；Smut, with keeping 1500 times of hectogram or 800 times of triazolone spraying；Grub, with phoxim emulsifiable concentrate along jade
The uniform trickle irrigation in rice root.
The step (8) harvests in due course, may further include: 8 to 10 days after bract jaundice, seed dehydration is hardened,
Milk-line disappears and harvesting when black cap layers occurs in seed base portion.
The kind of corn yield is improved in order to solve the above technical problems, the present invention also provides a kind of as described in aforementioned any one
The corn agricultural product that plant method obtains.
Beneficial effect of the present invention includes: to carry out site preparation to planting site by the seed selection and processing to kind, and prior to seeding
Fertilising, facilitates the growth of seedling.Simultaneously by row sowing, and line space is wider, distance is larger between group and group, is conducive to nutrient
Equilibrium application and Maize Absorption, root system intersects support between every group of plant, can divulge information between strain, pressure of the decrease wind to plant
Power can cross wind between group, can effectively preventing lodging；Potential competition promotes corn root more to strengthen, and is conducive to Nutrient Absorption；It improves
The utilization rate of chemical fertilizer.Ventilation and penetrating light performance can be effectively increased compared with conventional corn kind implantation methods, be conducive to top dressing in the ranks,
Be conducive to nutrient to be concentrated use in, can effectively increase corn yield.
Specific embodiment
The present invention is described in detail below with reference to embodiment.To keep the objectives, technical solutions, and advantages of the present invention clearer, bright
Really, the present invention is described in more detail below, but the invention is not limited to these embodiments.
In an embodiment of the present invention, a kind of implantation methods for improving corn yield are provided, comprising the following steps:
(1) breeding is selected；
(2) seed treatment；
(3) site preparation and fertilization；
(4) it begins sowing in good time；
(5) rational close planting；
(6) fertilizing and weeding；
(7) prevention and control of plant diseases, pest control；
(8) it harvests in due course.
The step (1) selects breeding, may further include: according to heat resources condition, local precipitation accumulated temperature and life
Management condition, preceding stubble varieties of plant and disease incidence are produced, appearance qualification is picked out, particle is intact, and full to have meat, purity is high does not have
There is the corn seed for suffering pest and disease damage.
Step (2) seed treatment, may further include: the maize seed that step (1) is picked out is put in the sun
Sunning 2~3 days；Maize seed is cleaned with clear water again, puts into seed soaking 20 in seed-soaking liquid~for 24 hours, natural air drying after taking-up, until educate
Seedling sowing.
Step (3) site preparation and fertilization, may further include: selection topography is flat, and irrigation and drainage are convenient, and ventilation is good, soil
Earth is fertile and the sandy loam soil of the content of organic matter 3%~8% is as planting site, carries out deep ploughing processing to the planting site of selection and applies
Base manure, soil moisture conservation of raking the soil level；Meanwhile selecting soybean, wheat or potato as preceding stubble.
The step (4) is begun sowing in good time, and may further include: sow in spring by the end of February~early March, autumn sowing by the end of July~
Early August；The sowing when 5~10cm ground temperature reaches 10~12 DEG C.
Step (5) rational close planting, may further include: by row sowing, sowing line-spacing is 85-95cm, is planted close
Degree is 3300~3500 plants/acre, and every bunch planting kind 2-3,4~6cm of seed level after planting waters.
Step (6) fertilizing and weeding, may further include: corn is after spring ploughing, by farmyard manure and chemical fertilizer
Uniformly mixed is sprinkled upon on soil；It needs to apply fertilizer again when maize seedling grows to 35-50cm high；At heading stage, phosphorus is used
Acid dihydride potassium is watered with urea, carries out spray fertilizer；The weeds around maize seedling are removed in maize seedling budding, each stage
It needs except primary grass.
Step (7) prevention and control of plant diseases, pest control, may further include: Corn Stalk Rot, with 1000 times of Ridomil MZ Gold or
Cover gram 1000 times of pouring roots；Smut, with keeping 1500 times of hectogram or 800 times of triazolone spraying；Grub, with phoxim emulsifiable concentrate along jade
The uniform trickle irrigation in rice root.
The step (8) harvests in due course, may further include: 8 to 10 days after bract jaundice, seed dehydration is hardened,
Milk-line disappears and harvesting when black cap layers occurs in seed base portion.
In an alternative embodiment of the invention, a kind of plantation side that corn yield is improved as described in aforementioned any one is additionally provided
The corn agricultural product that method obtains.
In an alternative embodiment of the invention, it is realized using following technical scheme, concrete operation step includes:
(1) breeding is selected: according to heat resources condition, local precipitation accumulated temperature and production management condition, preceding stubble varieties of plant
And disease, appearance qualification is picked out, particle is intact, and full to have meat, purity is high did not suffer the corn seed of pest and disease damage.
(2) seed treatment: the maize seed that will be singled out is firstly placed to dry 2~3 days under sunlight；Again by maize seed clear water
It cleans, puts into seed soaking 20 in seed-soaking liquid~for 24 hours, to activate seed to enter germination state, natural air drying after taking-up, until nursery is broadcast
Kind.
(3) site preparation and fertilization: selection topography is flat, and irrigation and drainage are convenient, and ventilation is good, and fertile soil and the content of organic matter 3%~
8% sandy loam soil carries out deep ploughing processing as planting site, to the planting site of selection, and deep ploughing depth is 33cm or so, and per acre
Apply 2000~3000 kilograms of farmyard manure, 25~35 kilograms of calcium superphosphate, 10~20 kilograms of urea, potassium sulfate or potassium chloride 10~15
Kilogram, soil moisture conservation of raking the soil level.Meanwhile maize planting for successive years is avoided on same plot, soybean, wheat, potato etc. may be selected
As preceding stubble, corn is improved to the prevention ability of pest and disease damage.
(4) begin sowing in good time: sow in spring generally by the end of February~early March, autumn sowing by the end of July~early August.Corn germination is most
Low temperature is 8 DEG C, and germination preference temperature is 28~32 DEG C, so can sow when 5~10cm ground temperature reaches 10~12 DEG C.
(5) rational close planting: by row sowing, sowing line-spacing is 90cm, and planting density is 3300~3500 plants/acre, every bunch planting
Kind 2-3,4~6cm of seed level after planting pours suitable quantity of water.
(6) fertilizing and weeding: corn needs to apply farmyard manure on soil, fertilizer and chemical fertilizer is mixed after having ploughed in the spring
Conjunction is uniformly sprinkled upon on soil, needs to apply fertilizer again when maize seedling grows to kneecap height when heading stage, is used
0.5 jin of potassium dihydrogen phosphate and 1 jin of urea are watered 100 jin, carry out spray fertilizer, in maize seedling budding by the weeds around maize seedling
It removes, each stage requires except primary grass.
(7) prevention and control of plant diseases, pest control: Corn Stalk Rot, with 1000 times of Ridomil MZ Gold or lid gram 1000 pouring roots；Smut, with making
1500 times of hectogram or 800 times of triazolone are spraying；Grub can also be per acre with phoxim emulsifiable concentrate along the uniform trickle irrigation of corn root
With DDVP mixing sandy soil, in the morning when uniformly dissipated down along maize seedling.
(8) harvest in due course: 8 to 10 days after bract jaundice, seed dehydration is hardened, and milk-line disappears and seed base portion is (under embryo
End) occur harvesting again when black cap layers.
Comparative test
Embodiment 1:
(1) breeding is selected: according to heat resources condition, local precipitation accumulated temperature and production management condition, preceding stubble varieties of plant
And disease, appearance qualification is picked out, particle is intact, and full to have meat, purity is high did not suffer the corn seed of pest and disease damage.
(2) seed treatment: the maize seed that will be singled out is firstly placed to dry 3 days under sunlight；Maize seed is washed with clear water again
Only, soak seed 22h is put into seed-soaking liquid.
(3) site preparation and fertilization: selection topography is higher, fertile soil, and irrigation and drainage are convenient, and good sandy loam soil of ventilating is as plantation
Ground carries out deep ploughing processing and basal dressing to the planting site of selection, applies 2500 kilograms of farmyard manure, 30 kilograms of calcium superphosphate, urine per acre
15 kilograms of element, potassium sulfate or 12 kilograms of potassium chloride, soil moisture conservation of raking the soil level.Simultaneous selection soybean, wheat, potato etc. are used as preceding stubble.
(4) it begins sowing in good time: when 5~10cm ground temperature reaches 11 DEG C of sowings.
(5) rational close planting: by row sowing, sowing line-spacing is 90cm, and planting density is 3500 plants/acre, every bunch planting kind 3,
Seed level 5cm, after planting pours suitable quantity of water.
(6) fertilizing and weeding: corn needs to apply farmyard manure on soil, fertilizer and chemical fertilizer is mixed after having ploughed in the spring
Conjunction is uniformly sprinkled upon on soil, needs to apply fertilizer again when maize seedling grows to kneecap height when heading stage, is used
0.5 jin of potassium dihydrogen phosphate and 1 jin of urea are watered 100 jin, carry out spray fertilizer, in maize seedling budding by the weeds around maize seedling
It removes, each stage is except primary grass.
(7) prevention and control of plant diseases, pest control: Corn Stalk Rot, with 1000 times of pouring roots of Ridomil MZ Gold；Smut, with making 1500 times of hectogram
It is spraying；Grub, with phoxim emulsifiable concentrate along the uniform trickle irrigation of corn root.
(8) harvest in due course: 9 days after bract jaundice, seed dehydration is hardened, and milk-line disappearance and seed base portion (embryo lower end) are out
It is harvested again when existing black cap layers.
Embodiment 2:
(1) breeding is selected: according to heat resources condition, local precipitation accumulated temperature and production management condition, preceding stubble varieties of plant
And disease, appearance qualification is picked out, particle is intact, and full to have meat, purity is high did not suffer the corn seed of pest and disease damage.
(2) seed treatment: the maize seed that will be singled out is firstly placed to dry 2 days under sunlight；Maize seed is washed with clear water again
Only, soak seed 20h is put into seed-soaking liquid.
(3) site preparation and fertilization: selection topography is flat, and irrigation and drainage are convenient, and ventilation is good, and fertile soil and the content of organic matter 3%~
8% sandy loam soil carries out deep ploughing processing as planting site, to the planting site of selection, and deep ploughing depth is 33cm or so, and per acre
Apply 2000 kilograms of farmyard manure, 25 kilograms of calcium superphosphate, 10 kilograms of urea, potassium sulfate or 10 kilograms of potassium chloride, soil moisture conservation of raking the soil level.Simultaneously
Select soybean, wheat as preceding stubble.
(4) it begins sowing in good time: can be sowed when 5~10cm ground temperature reaches 10 DEG C.
(5) rational close planting: by row sowing, sowing line-spacing is 90cm, and planting density is 3300 plants/acre, every bunch planting kind 2,
Seed level 4cm, after planting pours suitable quantity of water.
(6) fertilizing and weeding: corn needs to apply farmyard manure on soil, fertilizer and chemical fertilizer is mixed after having ploughed in the spring
Conjunction is uniformly sprinkled upon on soil, needs to apply fertilizer again when maize seedling grows to kneecap height when heading stage, is used
0.5 jin of potassium dihydrogen phosphate and 1 jin of urea are watered 100 jin, carry out spray fertilizer, in maize seedling budding by the weeds around maize seedling
It removes, each stage is except primary grass.
(7) prevention and control of plant diseases, pest control: Corn Stalk Rot, with 1000 pouring root of Jin Gaike；Smut, it is spraying with 800 times of triazolone；Qi
Scarabaeiform, per acre with DDVP mixing sandy soil, in the morning when uniformly dissipated down along maize seedling.
(8) harvest in due course: 9 days after bract jaundice, seed dehydration is hardened, and milk-line disappearance and seed base portion (embryo lower end) are out
It is harvested again when existing black cap layers.
Control group (tradition plantation):
(1) breeding is selected: according to heat resources condition, local precipitation accumulated temperature and production management condition, preceding stubble varieties of plant
And disease, appearance qualification is picked out, particle is intact, and full to have meat, purity is high did not suffer the corn seed of pest and disease damage.
(2) seed treatment: the maize seed that will be singled out is first；It is again that corn seed is water seed soaking 4 small with 25-28 DEG C
Shi Houfang is dried 2 days in the sun.
(3) site preparation and fertilization: selection topography is flat, and irrigation and drainage are convenient, and ventilation is good, and fertile soil and the content of organic matter 3%~
It deep ploughs to the planting site of selection and 33cm and applies 2000 kilograms of farmyard manure, simultaneous selection is big as planting site in 8% sandy loam soil
Beans, wheat are as preceding stubble.
(4) it begins sowing in good time: can be sowed when 5~10cm ground temperature reaches 10 DEG C.
(5) rational close planting: a cave single plant, sowing line-spacing be 60cm, 4500 plants/acre of planting density, seed level 4cm, after planting
Pour suitable quantity of water.
(6) fertilizing and weeding: corn needs to apply farmyard manure on soil, fertilizer and chemical fertilizer is mixed after having ploughed in the spring
Conjunction is uniformly sprinkled upon on soil, needs to apply fertilizer again when maize seedling grows to kneecap height when heading stage, is used
0.5 jin of potassium dihydrogen phosphate and 1 jin of urea are watered 100 jin, carry out spray fertilizer, in maize seedling budding by the weeds around maize seedling
It removes, each stage is except primary grass.
(7) yield surveys ratio: it is compared by the corn yield to embodiment 1,2 and control group, table results are as follows:
From the point of view of the data result of above table, after corn planting method of the invention, corn yield is obviously mentioned
It is high.The present invention carries out site preparation and fertilization to planting site by the seed selection and processing to kind, and prior to seeding, facilitates the life of seedling
It is long.Simultaneously by row sowing, and line space is wider, distance is larger between group and group, is conducive to nutrient equilibrium application and Maize Absorption,
Root system intersects support between every group of plant, can divulge information between strain, weakens wind to the pressure of plant, can cross wind between group, can
Effectively preventing lodging；Potential competition promotes corn root more to strengthen, and is conducive to Nutrient Absorption；Improve the utilization rate of chemical fertilizer.With
Conventional corn kind implantation methods are conducive to top dressing in the ranks, are conducive to nutrient concentration and make compared to can effectively increase ventilation and penetrating light performance
With can effectively increase corn yield.
The above is only several embodiments of the present invention, not any type of limitation is done to the present invention, although this hair
It is bright to be disclosed as above with preferred embodiment, however be not intended to limit the invention, any person skilled in the art, it is not taking off
In the range of technical solution of the present invention, a little variation or modification are made using the technology contents of the disclosure above and is equal to
Case study on implementation is imitated, is belonged in technical solution of the present invention protection scope.
Claims (10)
1. a kind of implantation methods for improving corn yield, which comprises the following steps:
(1) breeding is selected；
(2) seed treatment；
(3) site preparation and fertilization；
(4) it begins sowing in good time；
(5) rational close planting；
(6) fertilizing and weeding；
(7) prevention and control of plant diseases, pest control；
(8) it harvests in due course.
2. improving the implantation methods of corn yield according to claim 1, which is characterized in that the step (1) selects breeding,
Further comprise: according to heat resources condition, local precipitation accumulated temperature and production management condition, preceding stubble varieties of plant and disease feelings
Condition picks out appearance qualification, and particle is intact, full to have meat, and purity is high did not suffer the corn seed of pest and disease damage.
3. improving the implantation methods of corn yield according to claim 1, which is characterized in that step (2) seed treatment,
Further comprise: the maize seed that step (1) is picked out being put and is dried 2~3 days in the sun；Maize seed is cleaned with clear water again,
Put into seed soaking 20 in seed-soaking liquid~for 24 hours, natural air drying after taking-up, until seeding and growing seedling.
4. improving the implantation methods of corn yield according to claim 1, which is characterized in that step (3) site preparation and fertilization,
Further comprise: selecting the sandy loam soil of soil organic matter content 3%~8% as planting site, the planting site of selection is carried out
Deep ploughing processing and basal dressing, soil moisture conservation of raking the soil level；Meanwhile selecting soybean, wheat or potato as preceding stubble.
5. improving the implantation methods of corn yield according to claim 1, which is characterized in that the step (4) is begun sowing in good time,
Further comprise: sow in spring by the end of February~early March, autumn sowing by the end of July~early August；When 5~10cm ground temperature reaches 10~12
DEG C when sow.
6. improving the implantation methods of corn yield according to claim 1, which is characterized in that step (5) rational close planting,
Further comprise: by row sowing, sowing line-spacing is 85-95cm, and planting density is 3300~3500 plants/acre, every bunch planting kind 2-3
, 4~6cm of seed level after planting waters.
7. improving the implantation methods of corn yield according to claim 1, which is characterized in that step (6) fertilizing and weeding,
Further comprise: corn is sprinkled upon on soil after spring ploughing by what farmyard manure was uniformly mixed with chemical fertilizer；When maize seedling is grown to
It needs to apply fertilizer again when 35-50cm high；It at heading stage, is watered with potassium dihydrogen phosphate and urea, carries out spray fertilizer；In corn
The weeds around maize seedling are removed when seedling sprouts, each stage requires except primary grass.
8. improving the implantation methods of corn yield according to claim 1, which is characterized in that step (7) pest and disease damage is anti-
It controls, further comprises: Corn Stalk Rot, with 1000 times of Ridomil MZ Gold or lid gram 1000 times of pouring roots；Smut, with making hectogram
1500 times or 800 times of triazolone spraying；Grub, with phoxim emulsifiable concentrate along the uniform trickle irrigation of corn root.
9. improving the implantation methods of corn yield according to claim 1, which is characterized in that the step (8) harvests in due course,
Further comprise: 8 to 10 days after bract jaundice, seed dehydration is hardened, and milk-line disappears and receiving when black cap layers occurs in seed base portion
It obtains.
10. a kind of corn agricultural product that the implantation methods for improving corn yield as described in any one of claim 1-9 obtain.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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