CN103348888B - Hard pan firm ground rice seedling raising method of mechanized rice transplanting - Google Patents
Hard pan firm ground rice seedling raising method of mechanized rice transplanting Download PDFInfo
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- CN103348888B CN103348888B CN201310292892.2A CN201310292892A CN103348888B CN 103348888 B CN103348888 B CN 103348888B CN 201310292892 A CN201310292892 A CN 201310292892A CN 103348888 B CN103348888 B CN 103348888B
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Abstract
A hard pan firm ground rice seedling raising method of mechanized rice transplanting comprises the steps of carrying out mechanical sowing assembly line work, raising rice seedlings in a rice seedling raising hard pan, and then carrying out further processing on the rice transplanting hard pan after darkening and seedling emergence are finished; moving the rice seedling raising hard pan to firm ground and raising the rice seedlings, wherein the firm ground is cement ground or hard ground or soil sites. Compared with the prior art, according to the technical scheme, the method makes use of spare cement sites, sunning ground, empty pavement and other firm ground resources to replace traditional fields to raise the rice seedlings, strong seedlings meeting the mechanized transplanting requirement are cultivated, the method has the advantages of saving the rice seedling raising fields, saving labor, relieving labor intensity for raising the rice seedlings, improving working efficiency, saving water resources, being capable of culturing the seedlings in a factory-like mode and the like, and the development prospects are good.
Description
Technical field
This method belongs to Rice Cropping technical field, specifically a kind of rice planting technology hard disk hard place method of raising seedling.
Background technology
1, the development level of current domestic existing correlation technique
Along with popularizing of rice planting technology technology, area expands year by year, but will reach high-quality planting, and it is crucial for cultivating the strong seedling meeting machine transplanting of rice requirement.At present, traditional field seedling raising method, although can bring out the strong seedling meeting machine transplanting of rice requirement, but the labour intensity of seedling, a seedling is larger, seedling cost is also higher, and transplanting is as rain, and seedling block hardness is difficult to regulate, affect machine transplanting of rice quality, this seedling raising method needs reserved crops for rotation, makes rice seedling bed, and human and material resources have high input, and young plants management is taken a lot of work, water wasting, starting shipment seedling dish labour intensity large, is the main cause causing transplanting seedling cost high.
Summary of the invention
In order to solve the above-mentioned problems in the prior art, the present invention proposes a kind of rice planting technology hard disk hard place method of raising seedling, step comprises: 1) machine sowing pipelining: seedling in seedling raising hard disc, then the seedling raising hard disc of neat for darkening seedling is further processed; The step that it is characterized in that described further process is step 2): seedling raising hard disc is moved to hard place seedling, and step is as follows:
Hard place is cement flooring, hardstand or soil property place;
A), when hard place is cement flooring, step comprises:
A-1) seedling place is surrounded on the ground, the protrusion ground, edge in seedling place; Lay on the ground with a monoblock impermeable film, and film surrounding is outside seedling place, begin to rehearse the mouth of a river simultaneously, forms seedling groove;
A-2) on film, seedling raising hard disc is placed; Seedling raising hard disc inside the edge being wherein positioned at seedling place pushes down film, meanwhile, and the also compacting of the film outside seedling place;
A-3) on seedling raising hard disc, non-woven fabrics is covered, the edge compacting of non-woven fabrics;
A-4) pour water on the impermeable film in seedling place; Before the rice shoot 2 leaf phase, water level keeps 2cm ± 10%, and rice shoot 2 leaf after date keeps seedling raising ground substance moistening;
Rainy day opens discharge outlet;
A-5) transplant and open non-woven fabrics hardening in first 4 days, make seedling block hardness meet transplanted by machine requirement;
B), when hard place is hardstand, step comprises
B-1) smooth compacting ground, removes ground foreign material;
B-2) seedling raising hard disc is placed on the ground;
B-3) on seedling raising hard disc, non-woven fabrics is covered, the edge redundance compacting of non-woven fabrics;
B-4) set up jet pipe and shower nozzle, the quantity of shower nozzle is corresponding with the floor area of placing seedling raising hard disc, makes seedling raising hard disc all within the scope of the spray of shower nozzle;
It is moistening that water spray meets matrix in maintenance seedling raising hard disc;
B-5) transplant and open non-woven fabrics hardening in first 4 days, make seedling block hardness meet transplanted by machine requirement;
C), when hard place is soil property place, step comprises
C-1) smooth compacting soil property place, removes ground foreign material;
C-2) seedling raising hard disc is placed on the ground;
C-3) on seedling raising hard disc, non-woven fabrics is covered, the edge redundance compacting of non-woven fabrics;
C-4) set up jet pipe and shower nozzle, the quantity of shower nozzle is corresponding with the floor area of placing seedling raising hard disc, makes seedling raising hard disc all within the scope of the spray of shower nozzle;
It is moistening that water spray meets matrix in maintenance seedling raising hard disc;
C-5) transplant and open non-woven fabrics hardening in first 4 days, make seedling block hardness meet transplanted by machine requirement.
Also comprise the fertile pencil reason of step 3):
3-1) when rice shoot height is not enough, with the urea solvent that weight fraction is 1%, rice shoot is sprayed;
3-2) the first day of hardening, the mixed liquor spray rice shoot of with medicament and urea.Every 667m
2seedling pond mass fraction 48% chlorpyrifos ec 80ml adds mass fraction 1.8% abamectin emulsifiable concentrate 50ml and adds mass fraction 25% pyrrone wetting powder 16g and add 0.3kg urea and be watered 30kg even spraying.
Time 3-3) raising seedling maturation gets to machine transplanting of rice requirement, that is:
Rice shoot, when 15 ~ 18 days length of time rice seedlings grow, reaches height of seedling 12 ~ 17cm, leaf age 3.5 ~ 3.8 leaf, and Miao Ting, Ye Lv, growth neatly, are not ruptured when seedling block is mentioned;
If can not transplant in time, then the moisture-holding capacity controlled in seedling raising hard disc in matrix controls seedling growth, meanwhile, must not make the dead seedling of rice shoot dehydration.
The concrete steps of described step 1) are as follows:
1-1) rice varieties is selected: the seed adapting to planting site environment, and seed quality is qualified;
1-2) prepare seedling material: comprise
(1) seedling raising hard disc: hard disk specification 58cm × 28cm × 3cm;
(2) Nutrition Soil: the paddy soils can turning over freeze thawing with the nonirrigated farmland of vegetable garden soil, slaking soil or winter, through pulverizing, is screened to grogs diameter and is less than 5mm;
(3) seedling raising ground substance: the matrix selected should be recognize propagable special machine-transplanted rice seedling raising ground substance through engineering department, or fertilizer, and fertilizer should meet the requirement of NY525-2012 standard index;
1-3) sow
(1) bask seeds: before sowing, rice paddy seed is basked seeds 2 ~ 3 days;
(2) seed treatment: soak seed 40 ~ 55 hours with the mixed solution that volume fraction is 25% 2-cyano-3-amino-3-phenylancryic acetate 2.0g ~ 3.0g, volume fraction is 16% meter of fresh cartap 8 ~ 12g, volume fraction is 25% pyrrone 8 ~ 12g and water 5 ~ 6kg;
(3) lid seed soil preparation: by seedling strengthen agent and Nutrition Soil mixing, the proportioning that mixed proportion illustrates by used seedling strengthen agent is carried out.
(4) sowing operation:
In seedling raising hard disc, put matrix, stromal thickness is 2.0 ~ 2.2cm;
Water spray, is adjusted to matrix the bottom outlet that saturated but water does not overflow seedling raising hard disc;
Even premature rice, dry kind of density is 738g/ square metre ~ 801g/ square metre (often coiling 120g ~ 130g);
With the even lid seed of lid seed soil to not revealing seed;
(5) the neat seedling of darkening:
Seedling raising hard disc is stacked neatly, puts into storehouse; Stacking every 40 ~ 50 seedling raising hard discs is a pile, and covers an empty hard disk on one deck seedling raising hard disc of the top; Ensure storehouse well-ventilated simultaneously;
The darkening time is 2 days, and in dish, height of seedling 0.5 ~ 1.0cm is as the criterion;
After the neat seedling of darkening terminates, enter step 2) process further.
Described sowing step 1-3) sowing in step (4), lid seed soil thickness is 0.3 ~ 0.5cm.
Described step 2) in, a) when hard place is cement flooring, the edge in seedling place puts on landing ground by stainless steel square tube or batten, be laid on seedling place with impermeable film again, four limits of film are evened up and are covered stainless steel square tube or batten, and wherein film edge stretches out the part fragment of brick compacting or real by soil pressure of stainless steel square tube or batten;
Described step 2) in, for cement flooring, hardstand or soil property place, the laying method of seedling raising hard disc is as follows:
Neat traverse two row seedling raising hard disc, forms seedling furrow, the walking road staying 25 ~ 30cm wide between seedling furrow;
Seedling raising hard disc covers non-woven fabrics, under the edge of non-woven fabrics is pressed in seedling raising hard disc.
Described step 2) in, when a) hard place is cement flooring, be placed in walking road with hose and pour water, hose connects high-pressure pump;
B), when hard place is hardstand, follows aisle and lay jet pipe, every spacing 7 meters of erection tripods, mounting spray head on tripod, shower nozzle connecting spray nozzle;
C) when hard place is soil property place, ditch in aisle of being expert at, lay water pipe, every spacing 7 meters of erection tripods, mounting spray head on tripod, nozzle connecting water receiving pipe.
Compared with prior art, the technical program utilizes the idle hard place resource such as cement court, threshing ground, vacant road surface to replace traditional field seedling raising, cultivate the strong seedling meeting machine transplanting of rice requirement, have saving seedling field, save manpower, alleviate seedling labour intensity, improve work efficiency, save the advantage such as water resource and practicable factorial seedling growth, development prospect is good.And Major Natural Disasters for arid with flood flood, because hard place seedling management link is easy, can make timely and effective the carrying out of manager pour water or drain flooded fields, can fundamentally stop arid or flood the phenomenon such as dead seedling, weak seedling that flood causes during raising rice seedlings.In addition, by non-textile mulch, manually can form buffer strip, in order to cushion the damage to rice shoot such as heavy rain, hail, thus reach hedging, keep away evil and keep away the object of worm diseases prevention.Hard place seedling-cultivation technique advances the future development of Rice Production to laborsaving simplification, cost efficiency, good quality and high output, is applicable to the extensive large area seedling of batch production.
Embodiment
A kind of rice planting technology hard place method of raising seedling, step comprises:
1) machine sowing pipelining, step is as follows:
1-1) rice varieties is selected: the seed adapting to planting site environment, and seed quality qualified (as table 1);
Table 1: seed selection requirement
1-2) prepare seedling material: comprise
(1) seedling raising hard disc: hard disk specification 58cm × 28cm × 3cm;
(2) Nutrition Soil: the paddy soils can turning over freeze thawing with the nonirrigated farmland of vegetable garden soil, slaking soil or winter, through pulverizing, is screened to grogs diameter and is less than 5mm;
(3) seedling raising ground substance: the matrix selected can be recognize propagable special machine-transplanted rice seedling raising ground substance through engineering department, or fertilizer, and fertilizer should meet the requirement of NY525-2012 standard index;
1-3) sow
(1) bask seeds: before sowing, rice paddy seed is basked seeds 2 ~ 3 days;
(2) seed treatment: soak seed 48 hours with the mixed solution of 25% 2-cyano-3-amino-3-phenylancryic acetate 2.5g, 16% meter of fresh cartap 10g, 25% pymetrozine 10g and water 5 ~ 6kg;
(3) lid seed soil preparation: by seedling strengthen agent and Nutrition Soil mixing, mixed proportion illustrates by the native proportioning of used seedling strengthen agent and nutrition carries out;
(4) sowing operation:
In seedling raising hard disc, put matrix, its thickness is 2.0 ~ 2.2cm;
Water spray, is adjusted to matrix the bottom outlet that saturated but water does not overflow seedling raising hard disc;
Even premature rice, dry kind of density is 738g/ square metre ~ 801g/ square metre;
With the even lid seed of lid seed soil to not revealing seed; (lid seed soil thickness is 0.3 ~ 0.5cm);
(5) the neat seedling of darkening:
Seedling raising hard disc is stacked neatly, puts into storehouse; Stacking every 40 ~ 50 seedling raising hard discs is a pile, and covers an empty hard disk on one deck seedling raising hard disc of the top; Ensure storehouse well-ventilated simultaneously;
The darkening time is 2 days, and in dish, height of seedling 0.5 ~ 1.0cm is as the criterion;
After the neat seedling of darkening terminates, enter step 2) stack and move to hard place (cement court)
2) move to hard place seedling, step is as follows:
Hard place is cement flooring, hardstand or soil property place;
A), when hard place is cement flooring, step comprises
A-1) seedling place is surrounded on the ground, the protrusion ground, edge in seedling place; Lay on the ground with a monoblock impermeable film, and film surrounding is outside seedling place, begin to rehearse the mouth of a river simultaneously, forms seedling groove;
A-2) on film, seedling raising hard disc is placed; Seedling raising hard disc inside the edge being wherein positioned at seedling place pushes down film, meanwhile, and the also compacting of the film outside seedling place;
A-3) on seedling raising hard disc, non-woven fabrics is covered, the edge compacting of non-woven fabrics;
A-4) pour water on the impermeable film in seedling place; Before the rice shoot 2 leaf phase, water level keeps 2cm ± 10%, and rice shoot 2 leaf after date keeps seedling raising ground substance moistening;
Rainy day opens discharge outlet;
A-5) plant and open non-woven fabrics hardening in first 4 days, make seedling block hardness meet transplanted by machine requirement;
B), when hard place is hardstand, step comprises
B-1) smooth compacting ground, removes ground foreign material;
B-2) seedling raising hard disc is placed on the ground;
B-3) on seedling raising hard disc, non-woven fabrics is covered, the edge redundance compacting of non-woven fabrics;
B-4) set up jet pipe and shower nozzle, the quantity of shower nozzle is corresponding with the floor area of placing seedling raising hard disc, makes seedling raising hard disc all within the scope of the spray of shower nozzle;
It is moistening that water spray meets matrix in maintenance seedling raising hard disc;
B-5) plant and open non-woven fabrics hardening in first 4 days, make seedling block hardness meet transplanted by machine requirement;
C), when hard place is soil property place, step comprises
C-1) smooth compacting soil property place, removes ground foreign material;
C-2) seedling raising hard disc is placed on the ground;
C-3) on seedling raising hard disc, non-woven fabrics is covered, the edge redundance compacting of non-woven fabrics;
C-4) set up jet pipe and shower nozzle, the quantity of shower nozzle is corresponding with the floor area of placing seedling raising hard disc, makes seedling raising hard disc all within the scope of the spray of shower nozzle;
It is moistening that water spray meets matrix in maintenance seedling raising hard disc;
C-5) plant and within first 4 days, open non-woven fabrics refining hardening, make seedling block hardness meet transplanted by machine requirement.
Meet the seedling of machine transplanting of rice required standard:
Rice shoot, when 15 ~ 18 days length of time rice seedlings grow, reaches height of seedling 12 ~ 17cm, leaf age 3.5 ~ 3.8 leaf, and Miao Ting, Ye Lv, growth neatly, are not ruptured when seedling block is mentioned.
Hard place seedling link seedling dish moisture control and management:
One was before 2 leaf phases, and keep water layer in plastic film groove, the height of water layer is about 1cm, utilizes penetration theory, made Nutrition Soil in seedling-cultivation plate keep moistening.
Two is 2 leaf after dates, keeps seedling dish moistening, if the plastic film breakage being layered on seedling tray bottom is leaked, the method by watering makes Nutrition Soil keep moistening.If meet the rainy day, timely draining should be noted, in order to avoid flood seedling dish, affect seedling quality.
Three be transplant before according to circumstances, put dry by the water in plastic film groove, in case seedling dish is too soft, impact is planted.Meanwhile, whole seeding stage is transplanted by physical isolation, band medicine, cuts off the path that small brown rice planthopper passes poison, thus reaches the object of preventing and treating stripe virus disease.
This plants experimentally experiment in somewhere, southern Jiangsu:
(1), implement scale is hard place seedling 20 mu, transplants 2000 mu, land for growing field crops.
(2), on average per unit area yield specific surface, average per unit area yield increases more than 1.5%.
(3), on overall economic efficiency specific surface, mu increases more than 100 yuan.
This project with the rice shoot how making rice planting technology seedling cultivate under link simplification, labour intensity reduction, cost-saving synergistic, ecological friendly prerequisite to meet machine transplanting of rice requirement for general study target, break through fixing thinking, transplanting raising rice seedlings and management process are transferred on hard place carry out, make transplanting raising rice seedlings really become the thing of " leather shoes can be worn complete ".Not only facilitate rice high yield synergy, and effectively promote that rural laborer shifts to the secondary industry and the tertiary industry, realizes increasing peasant income target.
Claims (5)
1. a rice planting technology hard disk hard place method of raising seedling, step comprises: 1) machine sowing pipelining: seedling in seedling raising hard disc, then the seedling raising hard disc after neat for darkening seedling is further processed; The step that it is characterized in that described further process is step 2): seedling raising hard disc is moved to hard place seedling, and step is as follows:
Hard place is cement flooring, hardstand or soil property place;
A), when hard place is cement flooring, step comprises:
A-1) seedling place is surrounded on the ground, the protrusion ground, edge in seedling place; Lay on the ground with a monoblock impermeable film, and film surrounding is outside seedling place, begin to rehearse the mouth of a river simultaneously, forms seedling groove;
A-2) on film, seedling raising hard disc is placed; Seedling raising hard disc inside the edge being wherein positioned at seedling place pushes down film, meanwhile, and the also compacting of the film outside seedling place;
A-3) on seedling raising hard disc, non-woven fabrics is covered, the edge compacting of non-woven fabrics;
A-4) pour water on the impermeable film in seedling place; Before the rice shoot 2 leaf phase, water level keeps 2cm ± 10%, and rice shoot 2 leaf after date keeps seedling raising ground substance moistening;
Rainy day opens discharge outlet;
A-5) transplant and open non-woven fabrics hardening in first 4 days, make seedling block hardness meet transplanted by machine requirement;
B), when hard place is hardstand, step comprises
B-1) smooth compacting ground, removes ground foreign material;
B-2) seedling raising hard disc is placed on the ground;
B-3) on seedling raising hard disc, non-woven fabrics is covered, the edge redundance compacting of non-woven fabrics;
B-4) set up jet pipe and shower nozzle, the quantity of shower nozzle is corresponding with the floor area of placing seedling raising hard disc, makes seedling raising hard disc all within the scope of the spray of shower nozzle;
It is moistening that water spray meets matrix in maintenance seedling raising hard disc;
B-5) transplant and open non-woven fabrics hardening in first 4 days, make seedling block hardness meet transplanted by machine requirement;
C), when hard place is soil property place, step comprises
C-1) smooth compacting soil property place, removes ground foreign material;
C-2) seedling raising hard disc is placed on the ground;
C-3) on seedling raising hard disc, non-woven fabrics is covered, the edge redundance compacting of non-woven fabrics;
C-4) set up jet pipe and shower nozzle, the quantity of shower nozzle is corresponding with the floor area of placing seedling raising hard disc, makes seedling raising hard disc all within the scope of the spray of shower nozzle;
It is moistening that water spray meets matrix in maintenance seedling raising hard disc;
C-5) transplant and open non-woven fabrics hardening in first 4 days, make seedling block hardness meet transplanted by machine requirement;
Also comprise the fertile pencil reason of step 3):
3-1) when rice shoot height is not enough, with the urea solvent that mass fraction is 1%, rice shoot is sprayed;
3-2) the first day of hardening, the mixed liquor spray rice shoot of with medicament and urea;
Every 667m
2seedling pond mass fraction 48% chlorpyrifos ec 80ml adds mass fraction 1.8% abamectin emulsifiable concentrate 50ml and adds mass fraction 25% pymetrozine wetting powder 16g and add 0.3kg urea and be watered 30kg even spraying;
Time 3-3) raising seedling reaches machine transplanting of rice requirement, that is:
Rice shoot, when 15 ~ 18 days length of time rice seedlings grow, reaches height of seedling 12 ~ 17cm, leaf age 3.5 ~ 3.8 leaf, and Miao Ting, Ye Lv, growth neatly, are not ruptured when seedling block is mentioned;
If can not transplant in time, then the moisture-holding capacity controlled in seedling raising hard disc in matrix controls seedling growth, meanwhile, must not make the dead seedling of rice shoot dehydration;
The step of described step 1) is as follows:
1-1) rice varieties is selected: the seed adapting to planting site environment, and seed quality is qualified;
1-2) prepare seedling material: comprise
(1) seedling raising hard disc: hard disk specification 58cm × 28cm × 3cm
(2) Nutrition Soil: the paddy soils of turning over freeze thawing with the nonirrigated farmland of vegetable garden soil, slaking soil or winter, through pulverizing, is screened to grogs diameter and is less than 5mm;
(3) seedling raising ground substance: the matrix selected should be the special machine-transplanted rice seedling raising ground substance through the accreditation of Technique Popularizing department, or fertilizer, and fertilizer should meet the requirement of NY525-2012 standard index;
1-3) sow
(1) bask seeds: before sowing, rice paddy seed is basked seeds 2 ~ 3 days;
(2) seed treatment: soak seed 48 hours with the mixed solution of 25% 2-cyano-3-amino-3-phenylancryic acetate 2.5g, 16% meter of fresh cartap 10g, 25% pymetrozine 10g and water 5 ~ 6kg;
(3) lid seed soil preparation: by seedling strengthen agent and Nutrition Soil mixing, mixed proportion illustrates by the proportioning of used seedling strengthen agent and Nutrition Soil carries out;
(4) sowing operation:
In seedling raising hard disc, put matrix, stromal thickness is 2.0 ~ 2.2cm;
Water spray, is adjusted to matrix the bottom outlet that saturated but water does not overflow seedling raising hard disc;
Even premature rice, dry kind of density is 738g/ square metre ~ 801g/ square metre;
With the even lid seed of lid seed soil to not revealing seed;
(5) the neat seedling of darkening:
Seedling raising hard disc is stacked neatly, puts into storehouse; Stacking every 40 ~ 50 seedling raising hard discs is a pile, and covers an empty hard disk shading on one deck seedling raising hard disc of the top; Ensure storehouse well-ventilated simultaneously;
The darkening time is 2 days, is as the criterion to coil interior height of seedling 0.5 ~ 1.0cm;
After the neat seedling of darkening terminates, enter step 2) process further.
2. rice planting technology hard disk hard place method of raising seedling according to claim 1, is characterized in that described sowing step 1-3) sowing in step (4), lid seed soil thickness is 0.3 ~ 0.5cm.
3. rice planting technology hard disk hard place method of raising seedling according to claim 1, it is characterized in that described step 2) in, a) when hard place is cement flooring, the edge in seedling place puts on the ground by stainless steel square tube or batten, be laid on seedling place with impermeable film again, four limits of film are evened up and are covered stainless steel square tube or batten, and wherein film edge stretches out the part fragment of brick compacting or real by soil pressure of stainless steel square tube or batten.
4. rice planting technology hard disk hard place method of raising seedling according to claim 1, is characterized in that described step 2) in, for cement flooring, hardstand or soil property place, the laying method of seedling raising hard disc is as follows:
Neat traverse two row seedling raising hard disc, forms seedling furrow, the walking road staying 25 ~ 30cm wide between seedling furrow;
Seedling raising hard disc covers non-woven fabrics, under the edge of non-woven fabrics is pressed in seedling raising hard disc.
5. rice planting technology hard disk hard place method of raising seedling according to claim 4, is characterized in that described step 2) in, when a) hard place is cement flooring, is placed in walking road with hose and pours water, hose water pump;
B), when hard place is hardstand, follows aisle and lay jet pipe, every spacing 7 meters of erection tripods, mounting spray head on tripod, shower nozzle connecting spray nozzle;
C) when hard place is soil property place, ditch in aisle of being expert at, lay water pipe, every spacing 7 meters of erection tripods, mounting spray head on tripod, nozzle connecting water receiving pipe.
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| CN104381000A (en) * | 2014-11-25 | 2015-03-04 | 中国水稻研究所 | Mechanical rice-seedling planting, raising and transplanting method with tray and rice-seedling raising tray |
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| CN109392628A (en) * | 2018-12-12 | 2019-03-01 | 江苏省农业科学院 | A kind of wheat-rice rotation anniversary high yield method |
| CN109601293A (en) * | 2019-01-07 | 2019-04-12 | 南京农业大学 | A kind of light letter standardization method of raising seedling to transplant seedlings suitable for hand |
| CN109601350A (en) * | 2019-02-01 | 2019-04-12 | 农业农村部南京农业机械化研究所 | The full matrix seedling moisture intelligent management system of machine transplanting of rice hard place hard disk and control method |
| CN110663479A (en) * | 2019-11-06 | 2020-01-10 | 扬州大学 | High-yield and high-efficiency cultivation method for long-seedling-age machine-transplanted rice |
| CN111837846B (en) * | 2020-08-05 | 2021-11-02 | 扬州大学 | Method for cultivating mechanically transplanted strong rice seedlings by using matrix type seedling trays |
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