CN105475060B - A method of it is improved using wheat packing and improves production of hybrid seeds transplanting colony quality - Google Patents
A method of it is improved using wheat packing and improves production of hybrid seeds transplanting colony quality Download PDFInfo
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Abstract
The invention discloses a kind of methods improved using wheat packing and improve production of hybrid seeds transplanting colony quality.In hybrid paddy rice production of hybrid seeds seedlings link, disk father is moulded by controlling the machine transplanting of rice, maternal rice application rate, and suitable wheat seed is added by a certain percentage, increase transplanting seedlings root disk knot dynamics with the strong advantage of wheat young root system disk knot power, assist rice root mutual disk knot in modeling disk, both rice sowing quantity had been reduced, save cost, transplanting colony quality is improved again, the transplanting later stage is contributed to manually to be crimped, transport, it upper machine and plants, meet requirement of the machinery to seedling block, there is no leakages to plant a problem of lacking, rear production of hybrid seeds group is planted to turn green fast tiller morning, it is easy to cultivate production of hybrid seeds crop field rice shoot colony quality.Due to the growth characteristics of wheat after planting, wheat seeding can not take root growth in paddy field, any negative effect no to the growth of Rice Population, improve production of hybrid seeds rice shoot colony quality to reach, finally increase hybrid seed yield, cost-saving synergistic is notable.
Description
Technical field
It is improved simultaneously using the strong advantage of wheat root disk knot power in hybrid paddy rice production of hybrid seeds seedling field the present invention relates to a kind of
The method for improving transplanting colony quality.It is sowed together by rice and wheat, disk knot flourishing with wheat seed young root root
Power is strong, and the later stage is easy to crimp not easily broken advantage to assist transplanting seedlings root mutual disk knot in seedling-nursing flexible tray or hard disk,
Drive seedling block integrally solid not fugitive, artificial easily curling easily transport Yi Shangji can remarkably promote rice shoot and turn green growth after the machine transplanting of rice, rush
Tiller increases fringe, effectively improves hybrid seed yield.This method can reduce seed rice dosage especially hybrid paddy rice maternal breeding sterile line kind
Amount, cost-saving synergistic are apparent.
Background technology
In the staple food crop in China, rice and there is very important one seat.It is cultivated and is made due to wet rice cultivation
The characteristics of spending, production link is more, and seasonal strong, the amount of labour used is big.Especially in recent years, the especially green strong labour of rural laborer
A large amount of go down town is worked and done business, and causes the labour's quantity for being engaged in Rice Production fewer and fewer, especially in the hybrid paddy rice production of hybrid seeds, Cheng Qianshang
Planted by pure craft maternal unrealistic in ten thousand mu of crop field.Therefore the efficient rice planting technology of dart transfer has adapted to this cultivation
Pattern.
Rice due to kind itself heredity feature, japonica rice modeling plate seedling raising on have packing power it is strong, be easy to it is manual curling,
Transport, upper machine and transplanted by machine, and the especially maternal sterile line of hybrid paddy rice production of hybrid seeds seedling, seedlings root is in seedling-nursing flexible tray or hard disk
The shortcomings of upper mutual disk knot power is weaker, and curling is easily broken, and transport is fugitive, and seedling block is easy to crack when upper machine, seriously affect the machine transplanting of rice quality and
Effect.People plant often through the measures such as application rate, increase Planting Densities are increased to improve during practical transplanting seedling
Quality is inserted, time-consuming and laborious, the sterile line seed rice dosage in crop field is even up to 2.5-3kg per acre, and transplanting root system disk knot is still not
Ideal, highdensity sowing quantity and faster leaf growth speed, easily cause rice shoot to cover, transplanting colony quality is anti-in addition
And decline, it is unfavorable for cultivating strong seedling, and then influence the crop field colony quality after transplanting is planted and later stage hybrid seed yield.
The key difference of transplanting and traditional watery ricenursery or water-raised seedling is that thickness of sowing is high, the length of time rice seedlings grow is short (20 days or so),
Just in three leaves, wholeheartedly age at weaning, this stage must plant rice shoot in time when planting, and plant the too short nothing of the too small root system of rice shoot too early
Machine in method, the too late i.e. length of time rice seedlings grow long early growth and quick tiller that will influence to plant rice shoot.Rational transplanting colony quality, it should have
Root system disk knot power is strong, and root is white, and seedling is fast, easily curling easily transport Yi Shangji, and the not easily broken feature of seedling plate, rice shoot is turned green after the machine transplanting of rice
Tiller is fast.
Through consulting, the similar method invention patent for improving transplanting seedling has therewith：CN1930936A is that one kind passes through
The amount of broadcasting is controlled to ensure the method for transplanting strong sprout.CN102498999A is that one kind is carried by cultivation steps such as fertilizer, water managements
The method of high production of hybrid seeds transplanting.CN202476172U is a kind of to change the method for seedling quality by improving seedling-cultivation plate device.
CN102150657A is a kind of to turn green to improve the later stage of transplanting by plant growth regulator (modeling root agent etc.) and promote tiller effect.
The above-mentioned published patent only for measures such as common transplanting improved methods, including seedling raising device, conditioning agent, cultivation technique,
Solves the transplanting seedling predicament of a certain particular aspects to a certain extent, but to the more demanding or early period of operating personnel
Input cost is larger.The present invention is significantly different with above-mentioned patent in mode and content, fully in the soil with root system of plant
Influence each other, it is simple and clear especially for hybrid paddy rice production of hybrid seeds field, be easy to grasp, operability is strong.
The present invention mainly develops：It is a certain proportion of by being added in seedling disk seeding process in hybrid paddy rice production of hybrid seeds seedlings link
Wheat seed assists the coiling of increase transplanting root system using the strong advantage of wheat young root disk knot power, and rice shoot root system is helped to exist
Mutual disk knot, meets requirement of the transplanting to root system, can both reduce rice sowing quantity in modeling disk, cost-effective, in addition low-density
Growing environment be easy to cultivate strong seedling again, planted convenient for curling, transport and upper machine.Due to the growth characteristics of wheat, wheat after planting
Seedling can not take root growth in paddy field, do not deposit the competition to fertilizer, water, do not have any negative effect to Rice Population, after planting not
Yu Xi groups turn green soon, are easy to production of hybrid seeds group early growth and quick tiller.
It according to the observation and analyzes, the quality for improving hybrid paddy rice production of hybrid seeds seedlings link transplanting early period must be from seedling stage group's matter
Set about in terms of amount.A certain number of wheat seeds are added in the transplanting premature rice stage according to a certain percentage in appropriate seed rice, easy to be easy
Row, cost is relatively low, and operability is strong, significant effect, can improve hybrid paddy rice production of hybrid seeds transplanting colony quality, is conducive to seedling
It turns green rapidly after seedling transplanted by machine, tiller.Therefore patent of the present invention has significant cost-saving synergistic effect, has novelty, only
Invasive and practicability.
Invention content
It is an object of the invention to overcome the especially sterile line machine transplanting of rice of existing hybrid paddy rice production of hybrid seeds seedling stage to mould plate seedling raising group
Weight is poor, and root system disk knot is insecure, packing band soil became uneven, manually crimp it is easily broken, seedling block rise soil it is fugitive, upper machine seedling plate is easy
The problems such as disconnected, provides a kind of machine transplanting of rice floppy disk for increasing hybrid paddy rice production of hybrid seeds transplanting colony quality height and contributing to transplanted by machine or hard
Plate seedling raising method.
The purpose of the present invention is being realized by following technical proposal, include the following steps：
(1) rice seedling bed prepares：Rice seedling bed turned in advance, stubble-cleaning, is sowed previous week and is carried out machine transplanting of rice raising rice seedling plate, bedside
1.4-1.5 meters, 0.2-0.3 meters of seedling furrow width, surrounding begins to rehearse ditch, and rice seedling bed seedling plate carries out rear even uniform, and plate face is heavy real not to sink；
(2) Nutrition Soil is increased fertilizer：Nutrition Soil now can be mixed current, can also prepare in advance.It is special with seedling agent transplanting is strengthened on the market
Seedling fertilizer (nursery companion) and fine earth uniform stirring, every bag (600 grams/bag of nursery companion specification) uniformly mixes native 150-180kg, can
Fill floppy disk or hard disk 40-60；
(3) seed rice prepares：Rice paddy seed need to bask seeds 2-3 hours in advance, chosen seeds, blown away to seed with seed purifier
Shrivelled seed, leaves uniformly full seed, and the germination percentage of seed is required 90% or more；
(4) wheat seeds prepare：Wheat seed need to bask seeds 1-2 hours in advance, chosen seeds, blown away to seed with seed purifier
Shrivelled seed, leaves uniformly full seed, and the germination percentage of seed is required 90% or more；
(5) disk is moulded in the paving machine transplanting of rice：Uniform bedding Nutrition Soil 3kg on every modeling disk, seedling disk marshalling, seedling on transplanting plate
It is abutted between disk and seedling disk, the overlapping of floppy disk overlap, just disk tightly mutually leans on, and seedling disk is tried to get to the heart of a matter combines closely with seedling bed bed surface；
(6) sterile line is sowed：
Sterile line seed rice (mass of 1000 kernel 24.0-25.0g) converts into big field dosage 1.4kg (20 disk) according to every disk dosage 70g
It uniformly sows in seedling disk, wheat seeds convert into big field dosage 0.8kg (20 disk) according to every disk 40g, are uniformly added in modeling disk seed rice
On；
Or sterile line seed rice (mass of 1000 kernel 26.0-28.0g) converts into big field dosage 1.6kg (20 according to every disk dosage 80g
Disk) uniformly to sow in seedling disk, wheat seeds convert into big field dosage 0.8kg (20 disk) according to every disk 40g, are uniformly added in modeling disk rice
In kind；
(7) restorer is sowed：
Male parent restorer seed rice (mass of 1000 kernel 28.0-30.0g) is uniformly sowed according to every disk dosage 90g in seedling disk, wheat seeds
According to every disk 10g, uniformly it is added on modeling disk seed rice；
Male parent restorer also can normal watery ricenursery or water-raised seedling；
(8) hardening：Rice shoot up to two leaves wholeheartedly when first to ventilating in film, then conjunctiva, on the day of conjunctiva in water supply to modeling disk
Soil saturation drains seedling plate later according to the growth of cereal crop seedlings in due course moisturizing in 3-5 days before transplanting, is not done with moulding ground moistening in disk
And rice shoot fine day noon, leaf roll was not standard, and another top dressing or supplementary fertilizer are not required to before transplanting；
(9) it transplants：Three leaf of the transplanting length of time rice seedlings grow wholeheartedly when from seedling and dress seedling, can be integrally molded with seedling block when playing seedling and sole piece
Not crack does not influence manually to crimp, subject to transport and upper machine, then rice transplanter is used to carry out transplanted by machine.
In the sowing step, the long 58.5cm of seedling-cultivation plate disk, the wide 27.5cm of disk, disk depth 2.5cm.Whole seedling block after incubation
It is about 58cm, wide about 28cm, thick 2-2.5cm.
In the sowing step, rice sterile line thousand grain weigth broadcasts 70g in 24.0-25.0g, often disk, every square centimeter
Sowing quantity is in 1.7-1.8 seed rice, 20 disk of crop field transplanted by machine per acre, and seed rice dosage in crop field is in 1.4kg per acre；
In the sowing step, rice sterile line thousand grain weigth broadcasts 80g in 26.0-28.0g, often disk, every square centimeter
Sowing quantity is in 1.7-1.9 seed rice, 20 disk of crop field transplanted by machine per acre, and seed rice dosage in crop field is in 1.6kg per acre；
In the sowing step, wheat seed mass of 1000 kernel broadcasts 40g, sowing quantity every square centimeter in 41.0-43.0g, often disk
In 0.5-0.7 wheat seeds, 20 disk of crop field transplanted by machine per acre, wheat sowing quantity in crop field is in 0.8kg per acre；
The specification of planting of the transplant step is that crop field completely plants, and 8 cun of machine transplanting of rice line-spacing, 4 cun of machine transplanting of rice spacing in the rows, female parent is 1.875
Ten thousand caves；
The path of planting of the transplant step can be that the first row be directly abutted against balk and plant, and field both ends turning is stayed
There are two 1.5 meters spacious and comfortablely, after having been planted among field, plant machine and planted along 1.5 meters of field edge, and be driven out to field
Block；
Parent's restorer Planting Patterns of the transplanting are to take out two row female parent sterile lines in sterile line interval 8-10 rows,
Two row male parent restorers are planted by hand.
Advantages of the present invention：
(1) rice paddy seed eliminates the seed that genetically existing defects cannot normally germinate, ensure that infertility by seed selection
It is the stable and consistent of transplanting colony quality；
(2) wheat seed eliminates the seed that genetically existing defects cannot normally germinate, ensure that wheat by selection
Seed seedling quality；
(3) soil is mixed using nutrition fertilizer or strong seedling agent, ensure that nutrient of the rice shoot in the entire seedling stage once supplies, mitigated
Later stage artificial top dressing, supplementary fertilizer it is cumbersome；
(4) advantage for using wheat seeds packing strong drives transplanting root system packing solid securely, helps to cultivate the strong seedling of the machine transplanting of rice,
Transplanting colony quality is improved, the later stage is easy to curling and is readily transported, and mechanical transplanting survival rate is high, and tiller generation is fast after turning green；
(5) wheat seed can voluntarily lose the environment of growth in paddy field, after planting can dead seedling immediately, do not influence rice shoot
Normal growth.In addition wheat seeding can be gradually degraded as organic fertilizer in the ecological environment of paddy field complexity, be conducive to the crop field of rice shoot instead
Growth；
(6) sowing quantity is reduced, breeding cost is saved.Rice seedling bed can economize on kind of cost 150-200 members (one mu of rice seedling bed can per acre
2400 modeling disks are at least placed, every modeling disk saves seed rice 10-15g, and rice seedling bed is total per acre can save seed rice 24-36kg；Wheat
Often disk only needs to broadcast 40g kind, and rice seedling bed only needs wheat seeds 96kg per acre).It more crucially turns green after transplanted by machine fast, early tiller estranged, system
Kind yield can increase 3-5% per acre.
Technical scheme of the present invention
According to machine transplanting of rice seeding stage seedling requirement, indica CMS line (mass of 1000 kernel 24.0-25.0g) according to every machine transplanting of rice hard disk or
Floppy disk 70g sowing quantities, every machine transplanting of rice hard disk of wheat or floppy disk 40g sowing quantities, per acre 20 disk of crop field transplanted by machine (equivalent crop field rice
Kind mu dosage 1.4kg, Wheat Species mu sowing quantity 0.8kg).
According to machine transplanting of rice seeding stage seedling requirement, indica CMS line (mass of 1000 kernel 26.0-28.0g) according to every machine transplanting of rice hard disk or
Floppy disk 80g sowing quantities, every machine transplanting of rice hard disk of wheat or floppy disk 40g sowing quantities, per acre 20 disk of crop field transplanted by machine (equivalent crop field rice
Kind mu dosage 1.6kg, Wheat Species mu sowing quantity 0.8kg).
According to machine transplanting of rice seeding stage seedling requirement, Indica Rice Restorer Lines (mass of 1000 kernel 28.0-30.0g) according to every machine transplanting of rice hard disk or
Floppy disk 90g sowing quantities, every hard disk or floppy disk wheat sowing quantity 10g.Indica Rice Restorer Lines also can direct watery ricenursery or moistening
Seedling.
Core technology：Rice paddy seed is not required to presoaking and germinating, direct dry seed premature rice.First it is even and fine broadcast seed rice after, then uniformly spread
Wheat seed is broadcast, then fine earth lid seed, is advisable with not revealing seed.Other steps are the same as normal transplanting seedling program.
Specific implementation mode
Embodiment 1：
2013, in the Jiangsu Province Yangzhou bayhead town villages Xia Qiao, 1 mu of setting raise two excellent No. 6 (two-line hybrid rices), 0.5 mu
Feng Youxiang accounts for (ternary hybrid rice) seed farm, and maternal sterile line extensively accounts for 63-4S, the rich A in Guangdong, male parent restorer Yang No.6 rice, R6547
It is all made of machine transplanting of rice hard disk seedling.Its flow is：Rice seedling bed preparation-Nutrition Soil preparation-seed rice preparation-wheat seeds prepare-is sowed seed rice-and is broadcast
Wheat seeds-disk blinding-young plants management-seedling pulling machine is spread to insert.
The concrete operations of each step flow are as follows：
1, rice seedling bed prepares
More than soil property is medium, the good rice region of irrigation and drainage, rice seedling bed can be also reserved in Honda, according to rice seedling bed and Honda than 1:
110 carry out transplanting seedling.Rice seedling bed turned in advance, stubble-cleaning, is sowed and is done seedling plate previous week, wide 20-30 is stayed between seedling plate
Centimetre, 12 centimetres deep or more gutter.Seedling plate removes dry branches and fallen leaves and various residues totally, and seedling plate is struck off, is compacted；
2, Nutrition Soil prepares
Nutrition Soil now can be mixed current, can also prepare in advance.With the special seedling of transplanting on the market fertile (nursery companion, specification
600 grams/bag), fine earth 150kg is uniformly mixed, plug in hard disk 40 of installing is opened；
3, seed rice prepares
Seed rice is through basking seeds, refiner is chosen seeds, germination test, and the germination percentage of seed rice is 92% or more；
4, wheat seeds prepare
Wheat Species are through basking seeds, refiner is chosen seeds, germination test, and the germination percentage of Wheat Species is 90% or more；
5, seed rice is sowed
Maternal application rate is every hard disk kind 70g, and male parent application rate is every hard disk kind 90g, and gradation is thin when sowing
Broadcast, it is even broadcast, it is uniform to make every effort to sowing；
6, wheat seeds are broadcasted sowing
Maternal application rate is that every hard disk separately adds 40g, and male parent application rate is that every hard disk separately adds 10g, and when sowing is dilute by several times
Broadcast, it is even broadcast, it is uniform to make every effort to sowing；
7, disk blinding
With the fine earth lid seed of non-Ensure Liquid agent, it is subject to and does not see husk；
8, young plants management
Using intermittent irrigation mode, depending on the actual conditions of soil in hard disk and rice shoot, Scientific irrigation is not required to apply before planting
Fertilizer, keeping a close eye on disease pest, a situation arises, and sowing wants hardening, dry field, seedling plate moistening, finger pressure not to fall into after 15 days；
9, seedling is played to plant
Hard disk seedling can roll up seedling transplanting after playing disk, accomplish with rising with fortune with cultivation, seedling plate is indeformable, it is not broken, do not hinder root
.
Embodiment 2：
2014, in the Jiangsu Province Yangzhou bayhead town villages Xia Qiao, two excellent No. 6 (two-line hybrid rice), 0.5 were raised in 0.5 mu of setting
Mu Feng You perfume (or spice) accounts for (ternary hybrid rice) seed farm, and maternal sterile line extensively accounts for 63-4S, the rich A in Guangdong and machine transplanting of rice hard disk seedling, male parent is used to raise
Rice No. 6, R6547 are all made of normal watery ricenursery or water-raised seedling.Transplanting flow is：Rice seedling bed preparation-Nutrition Soil preparation-seed rice is accurate
Standby-wheat seeds prepare-sow seed rice-sow wheat seeds-disk blinding-young plants management-seedling pulling machine insert.
The concrete operations of each step flow are as follows：
1, rice seedling bed prepares
More than soil property is medium, the good rice region of irrigation and drainage, rice seedling bed can be also reserved in Honda, according to rice seedling bed and Honda than 1:
110 carry out transplanting seedling.Rice seedling bed turned in advance, stubble-cleaning, is sowed and is done seedling plate previous week, wide 20-30 is stayed between seedling plate
Centimetre, 12 centimetres deep or more gutter.Seedling plate removes dry branches and fallen leaves and various residues totally, and seedling plate is struck off, is compacted；
2, Nutrition Soil prepares
Nutrition Soil now can be mixed current, can also prepare in advance.With the special seedling of transplanting on the market fertile (nursery companion, specification
600 grams/bag), fine earth 180kg is uniformly mixed, plug in hard disk 60 of installing is opened；
3, seed rice prepares
Seed rice is through basking seeds, refiner is chosen seeds, germination test, and the germination percentage of seed rice is 91% or more.
4, wheat seeds prepare
Wheat Species are through basking seeds, refiner is chosen seeds, germination test, and the germination percentage of Wheat Species is 93% or more.
5, seed rice is sowed
Application rate is every hard disk kind 70g, when sowing carefully broadcasts by several times, it is even broadcast, make every effort to sowing uniformly.
6, wheat seeds are broadcasted sowing
Application rate is every hard disk kind 40g, gradation light seeding when sowing, it is even broadcast, make every effort to sowing uniformly.
7, disk supports soil
With the fine earth lid seed of non-Ensure Liquid agent, it is subject to and does not see husk.
8, young plants management
Using intermittent irrigation mode, depending on the actual conditions of soil in hard disk and rice shoot, Scientific irrigation is not required to apply before planting
Fertilizer, keeping a close eye on disease pest, a situation arises, and sowing wants hardening, dry field, seedling plate moistening, finger pressure not to fall into after 15 days.
9, seedling is played to plant
Hard disk seedling can roll up seedling transplanting after playing disk, accomplish with rising with fortune with cultivation, seedling plate is indeformable, it is not broken, do not hinder root.
Claims (2)
1. a kind of method improved using wheat packing and improve production of hybrid seeds transplanting colony quality, it is characterised in that include following step
Suddenly：
(1) rice seedling bed prepares：Rice seedling bed turned in advance, stubble-cleaning, is sowed and is carried out machine transplanting of rice raising rice seedling plate, bedside 1.4- previous week
1.5 meters, 0.2-0.3 meters of seedling furrow width, surrounding begins to rehearse ditch, and rice seedling bed seedling plate carries out rear even uniform, and plate face is heavy real not to sink；
(2) Nutrition Soil is increased fertilizer：Nutrition Soil now can be mixed current, can also prepare in advance, and use strengthens the special seedling of seedling agent transplanting on the market
Seedling companion and fine earth uniform stirring are fattened, nursery companion's specification is 600 grams/bag, and every bag is uniformly mixed fine earth 150-180kg, dress
Floppy disk or hard disk 40-60；
(3) seed rice prepares：Rice paddy seed need to bask seeds 2-3 hours in advance, chosen seeds, blown away dry to seed with seed purifier
Flat seed, leaves uniformly full seed, and the germination percentage of seed is required 90% or more；
(4) wheat seeds prepare：Wheat seed need to bask seeds 1-2 hours in advance, chosen seeds, blown away to seed with seed purifier
Shrivelled seed, leaves uniformly full seed, and the germination percentage of seed is required 90% or more；
(5) disk is moulded in the paving machine transplanting of rice：Uniformly bedding Nutrition Soil 3kg, modeling disk marshalling on transplanting plate mould disk on every modeling disk
It is abutted between modeling disk, floppy disk overlap overlapping, hard disk tightly mutually leans on, and modeling disk is tried to get to the heart of a matter combines closely with seedling bed bed surface；
(6) sterile line is sowed：
Mass of 1000 kernel is the sterile line seed rice of 24.0-25.0g, according to every disk dosage 70g, converts into big field dosage 1.4kg and uniformly broadcasts
It is sprinkled upon in modeling disk, wheat seeds convert into big field dosage 0.8kg according to every disk 40g, are uniformly added on modeling disk seed rice；
Or it is uniform to convert into big field dosage 1.6kg according to every disk dosage 80g for the sterile line seed rice that mass of 1000 kernel is 26.0-28.0g
It sows in modeling disk, wheat seeds convert into big field dosage 0.8kg according to every disk 40g, are uniformly added on modeling disk seed rice；
(7) restorer is sowed：
The male parent restorer seed rice of mass of 1000 kernel 28.0-30.0g according to every disk dosage 90g uniformly sow modeling disk in, wheat seeds according to
Often disk 10g is uniformly added on modeling disk seed rice；Or male parent restorer uses normal watery ricenursery or water-raised seedling；
(8) hardening：Rice shoot up to two leaves wholeheartedly when first to ventilating in film, then take off film, take off on the day of film soil in water supply to modeling disk
Saturation drains seedling plate in 3-5 days later according to the growth of cereal crop seedlings in due course moisturizing before transplanting, is not done and seedling with moulding ground moistening in disk
Seedling fine day noon, leaf roll was not standard, and another top dressing is not required to before transplanting；
(9) it transplants：Three leaf of the transplanting length of time rice seedlings grow wholeheartedly when from seedling and dress seedling, can be integrally molded with seedling block when playing seedling and sole piece not
Crack does not influence manually to crimp, subject to transport and upper machine, then rice transplanter is used to carry out transplanted by machine.
2. the method according to claim 1 improved using wheat packing and improve production of hybrid seeds transplanting colony quality, special
Sign is：Transplanting moulds the long 58.5cm of disk disk, the wide 27.5cm of disk, disk depth 2.5cm；Whole seedling block length 58.0cm after incubation, it is wide
28.0cm, thick 2.0-2.5cm；
Wherein, step（6）With（7）Middle rice paddy seed is not required to presoaking and germinating, direct dry seed premature rice；First it is even and fine broadcast seed rice after, then
Uniform broadcasting wheat seed, then fine earth lid seed.
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| CN106069091A (en) * | 2016-06-29 | 2016-11-09 | 江苏红旗种业股份有限公司 | Help hybrid paddy rice transplanting shoot root system increment dish knot technology |
| CN106358833A (en) * | 2016-09-06 | 2017-02-01 | 江苏里下河地区农业科学研究所 | Nutrient soil for cultivating mechanical-transplanting rice long-age strong seedlings as well as preparation method and application of nutrient soil |
| CN107691140A (en) * | 2017-09-28 | 2018-02-16 | 张丽蓉 | The implantation methods that a kind of wheat broadcasts sowing |
| CN110771461A (en) * | 2019-10-29 | 2020-02-11 | 中国水稻研究所 | Method for controlling seed quantity for direct seeding of hybrid rice |
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| CN101099430A (en) * | 2007-08-01 | 2008-01-09 | 扬州大学 | Cotton net bottom plastic container seedlings transplanting method |
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