CN105613104A - Method for raising seedlings of early season rice through plastic trays - Google Patents

Method for raising seedlings of early season rice through plastic trays Download PDF

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Publication number
CN105613104A
CN105613104A CN201510959697.XA CN201510959697A CN105613104A CN 105613104 A CN105613104 A CN 105613104A CN 201510959697 A CN201510959697 A CN 201510959697A CN 105613104 A CN105613104 A CN 105613104A
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CN
China
Prior art keywords
seedling
seed
soil
temperature
floppy disk
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Pending
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CN201510959697.XA
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Chinese (zh)
Inventor
阚发志
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Quanjiao Zhiheng Manor
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Quanjiao Zhiheng Manor
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Priority to CN201510959697.XA priority Critical patent/CN105613104A/en
Publication of CN105613104A publication Critical patent/CN105613104A/en
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Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C1/00Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C1/00Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
    • A01C1/02Germinating apparatus; Determining germination capacity of seeds or the like
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/02Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
    • A01G9/029Receptacles for seedlings
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05BPHOSPHATIC FERTILISERS
    • C05B1/00Superphosphates, i.e. fertilisers produced by reacting rock or bone phosphates with sulfuric or phosphoric acid in such amounts and concentrations as to yield solid products directly
    • C05B1/02Superphosphates
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05GMIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G3/00Mixtures of one or more fertilisers with additives not having a specially fertilising activity

Abstract

The invention discloses a method for raising seedlings of early season rice through plastic trays. The method comprises steps as follows: seed soaking for germination acceleration, preparation of soil, management of seedling beds and seedling trays, sowing and seedling management, cloth covering and shed building, seedling field management and lifting of seedlings. Compared with the prior art, the method has the following advantages: the seedling raising cycle is shortened through multiple times of seed selection and microwave treatment; nutrition of each layer of soil in trays can meet growth requirements of early season rice seedlings due to layering of the soil in the trays; non-woven fabric is selected for covering the trays according to the characteristics of the early season rice, changes of temperature difference are reduced, accordingly, the tiller number is increased, and the quality of the seedlings is improved; management processes of seedling raising are specified, the management intensity is improved, the quality of the seedlings is higher, and the yield of the seedlings is increased about 5.3% than that of common early season rice seedlings.

Description

A kind of early rice plastic floppy disk method for culturing seedlings
Technical field
The invention belongs to technical field of agricultural breeding, a kind of method being specifically related to early rice plastic floppy disk nursery.
Background technology
China's Rice Cropping areal area is based on south, Rice Production is increasingly concentrated to dominant area, China's Rice Production is progressively concentrated to the middle and lower reach of Yangtze River and Oryza sativa L. producing region, Heilungkiang in recent years, current South Rice Region of China accounts for the 94% of China's rice growing area, Yangtze river basin rice area has accounted for the 65.7% of the whole nation, wherein early rice produces 13 provinces (district), and sown area is bigger. But owing to seedtime temperature is difficult to hold; if miscarriage; the rotten bud of rotten kind would generally be caused; therefore how before cultivation, nursery is carried out at present; thus improving the survival rate of early rice; but owing to being difficult to hold farming season; early rice has focused on the height growth of Oryza sativa L. during seedling management, but its inferior quality, stem and leaf dry is less; the Oryza sativa L. mouthfeel planted out is poor; for industry grain or stored grain, if can not be utilized in time, waste usually can be caused; plantation industry is made to lose more than gain, it is therefore desirable to a kind of method for culturing seedlings that can improve early rice quality.
Summary of the invention
It is an object of the invention to for existing problem, it is provided that a kind of method of early rice plastic floppy disk nursery.
The present invention is achieved by the following technical solutions: a kind of method of early rice plastic floppy disk nursery, comprises the following steps:
(1) presoaking and germinating: by rice paddy seed except the sodium-chloride water solution putting into 8% after awns, the seed of drift in removing, clean water is used after taking out the seed of sedimentation, with the microwave device of 1000w after water is drained, the heat of use 40% was by seed treatment 20-40 minute, it is then placed in the dilution of the S-Ethyl ethylthio sulfonate cream of 80% and the Gibberellins solution mixed solution 6000 times of 80g/L, soak seed 18-24 hour, taking-up clear water drains away the water after rinsing, put in Germinator, maintain the temperature at 15-30 DEG C, often stir, can sow when seed is tack-free natural scattered state;
By choosing seeds except awns and sodium-chloride water solution, process then through microwave device, it is possible to significantly shorten the time of seed-soaking, and effect of soaking seed will not be weakened, improve work efficiency.
(2) Seedling soil preparation: Seedling mount draws together bed soil and dish soil, and its mid-game mount draws together subsoil, intermediary substrate and earthing, described subsoil thickness 1.5-1.8cm, intermediary substrate thickness 0.3-0.5cm, earthing thickness 0.5-0.8cm;
Intermediary substrate is added between common subsoil and earthing, intermediary substrate is the soil that after planting seed contacts at first, intermediary substrate can fully meet the nutrition of seed initial stage growth need, do not cause waste, without because overnutrition has side effects, the seed later stage can absorb nutrition in tillering stage from subsoil, and earthing is without chemical fertilizer, it is possible to effectively prevents and treats burn seedlings.
Bed soil content of organic matter 3.5-4%, pH value regulated value 5.3;
Every 1000kg dish soil is mixed by the raw material of following weight: clay 150kg, thin river sand 420kg, peat composed of rotten mosses 205kg, Vermiculitum 160kg, barnyard manure 58kg, Semen sojae atricolor powder 2kg, Diammonium phosphate (DAP) 0.66kg, calcium superphosphate 2.6kg, ammonium sulfate 1.3kg, ferrous sulfate 0.44kg;
Every 100kg intermediary substrate is mixed by the raw material of following weight: lime-ash 50kg, cattle manure 30kg, practical dreg 20%;
Earthing is mixed by 70% peat composed of rotten mosses and 30% Vermiculitum;
(3) seedling bed and soft seedling culture disc management: plough 12-15cm by seedling bed earth, waters vola water, bed width of seedling shoot 1.5m after striking off compacting, and length is determined according to physical features, is advisable less than 15m, and be above the ground level 10cm; Before sowing, plastic floppy disk is set, floppy disk length 580 �� 1mm, wide 260 �� 1mm, deep 20 �� 1mm in dish, with spacing in the rows for 14.6cm, put plastic floppy disk;
Growth characteristic according to Oryza sativa L., rice growing is unsuitable overstocked, can suitably adjust plastic floppy disk position on seedbed according to spacing in the rows.
(4) seeding and seedling raising management: spraying 5000 times of liquid 3ml/ of hydroxyisoxazole of 40% prior to seeding, application rate is 100g/ dish, after planting light pressure makes three, seed contact intermediary substrate, immediately after earthing, with 60% 10000 times of liquid 1-2ml/ weed eradications of new Machete;
Owing to, before seed soaking, having carried out repeatedly choosing seeds, and seed viability after treatment is higher, and therefore application rate is not easily excessive.
(5) drop cloth scaffolding: tile layer of non-woven fabric on bed surface, sets up frame at the outer 10cm place of dish, and frame height is 35-40cm, sets up view picture Polypropylence Sheet on frame, and both sides soil covers;
Non-woven fabrics can effectively moisturizing, ventilative and printing opacity, keep variations in temperature mild, it is possible to increase tiller number, improve the dry of root and stem and leaf, be conducive to nurturing staff, increase seedling quality.
(6) Seedling field management: after emerging, table soil dries instant moisturizing, maintenance dish soil moisture content, at 35-40%, keeps temperature of shed at 15-30 DEG C, transplants first 5 days and take off canopy seedling exercising;
(7) play seedling: when seedling stem slightly reaches more than 0.23cm, floppy disk is longitudinally rolled, transplants.
As further improvement of these options, in described step (1), the weight of mixed solution and seed weight are than for 5:3, and during seed soaking, the temperature of mixed solution is maintained at 24-28 DEG C.
As further improvement of these options, in described step (1), seed is when accelerating germination, and initial stage temperature controls at 28-30 DEG C; When after the broken breast of the seed having 80%, temperature is regulated to 24-26 DEG C; When the long 0.8-1.2 millimeter of bud, temperature is regulated to 15-18 DEG C.
As further improvement of these options, after described step (2) mid-game soil is mixed by the raw material of each weight portion, after smashing, cross 4-6mm aperture sieve.
As further improvement of these options, after planting between 1 leaf 1 heart stage, keeping day temperature to be 28-30 DEG C in described step (6), evening, temperature was 18-22 DEG C; Between 1 leaf 1 heart to 2 leaf 1 heart stages, keeping day temperature to be 25-28 DEG C, evening, temperature was 15-18 DEG C; After 2 leaf 1 hearts, keeping day temperature to be 22-25 DEG C, evening, temperature was 15-18 DEG C.
The present invention has the advantage that by repeatedly choosing seeds and microwave treatment compared to existing technology, shortens the nursery time limit; It is layered by increase dish soil, makes the nutrition of the dish each layer of soil meet the growth demand of early rice seedling; Characteristic according to early rice, selects non-woven fabrics to cover, slows down difference variation, so that tiller number increases, improves seedling quality; Each management process of nursery is embodied, improves management intensity, make gained seedling quality higher, the ratio morning Seedling volume increase about 5.3% that common method for culturing seedlings is planted.
Detailed description of the invention
Embodiment
A kind of method of early rice plastic floppy disk nursery, comprises the following steps:
(1) presoaking and germinating: by rice paddy seed except the sodium-chloride water solution putting into 8% after awns, the seed of drift in removing, clean water is used after taking out the seed of sedimentation, with the microwave device of 1000w after water is drained, the heat of use 40% was by seed treatment 20-40 minute, it is then placed in the dilution of the S-Ethyl ethylthio sulfonate cream of 80% and the Gibberellins solution mixed solution 6000 times of 80g/L, soak seed 18-24 hour, wherein, the weight of mixed solution and seed weight are than for 5:3, during seed soaking, the temperature of mixed solution is maintained at 24-28 DEG C, taking-up clear water drains away the water after rinsing, put in Germinator, maintain the temperature at 15-30 DEG C, wherein, initial stage temperature controls at 28-30 DEG C, when after the broken breast of the seed having 80%, temperature is regulated to 24-26 DEG C, when the long 0.8-1.2 millimeter of bud, temperature is regulated to 15-18 DEG C, often stirs, can sow when seed is tack-free natural scattered state,
(2) Seedling soil preparation: Seedling mount draws together bed soil and dish soil, and its mid-game mount draws together subsoil, intermediary substrate and earthing, described subsoil thickness 1.5-1.8cm, intermediary substrate thickness 0.3-0.5cm, earthing thickness 0.5-0.8cm; Wherein, after dish soil is mixed by the raw material of each weight portion, after smashing, cross 4-6mm aperture sieve;
Intermediary substrate is added between common subsoil and earthing, intermediary substrate is the soil that after planting seed contacts at first, intermediary substrate can fully meet the nutrition of seed initial stage growth need, do not cause waste, without because overnutrition has side effects, the seed later stage can absorb nutrition in tillering stage from subsoil, and earthing is without chemical fertilizer, it is possible to effectively prevents and treats burn seedlings.
Bed soil content of organic matter 3.5-4%, pH value regulated value 5.3;
Every 1000kg dish soil is mixed by the raw material of following weight: clay 150kg, thin river sand 420kg, peat composed of rotten mosses 205kg, Vermiculitum 160kg, barnyard manure 58kg, Semen sojae atricolor powder 2kg, Diammonium phosphate (DAP) 0.66kg, calcium superphosphate 2.6kg, ammonium sulfate 1.3kg, ferrous sulfate 0.44kg;
Every 100kg intermediary substrate is mixed by the raw material of following weight: lime-ash 50kg, cattle manure 30kg, practical dreg 20%;
Earthing is mixed by 70% peat composed of rotten mosses and 30% Vermiculitum;
(3) seedling bed and soft seedling culture disc management: plough 12-15cm by seedling bed earth, waters vola water, bed width of seedling shoot 1.5m after striking off compacting, and length is determined according to physical features, is advisable less than 15m, and be above the ground level 10cm; Before sowing, plastic floppy disk is set, floppy disk length 580 �� 1mm, wide 260 �� 1mm, deep 20 �� 1mm in dish, with spacing in the rows for 14.6cm, put plastic floppy disk;
(4) seeding and seedling raising management: spraying 5000 times of liquid 3ml/ of hydroxyisoxazole of 40% prior to seeding, application rate is 100g/ dish, after planting light pressure makes three, seed contact intermediary substrate, immediately after earthing, with 60% 10000 times of liquid 1-2ml/ weed eradications of new Machete;
(5) drop cloth scaffolding: tile layer of non-woven fabric on bed surface, sets up frame at the outer 10cm place of dish, and frame height is 35-40cm, sets up view picture Polypropylence Sheet on frame, and both sides soil covers;
Non-woven fabrics can effectively moisturizing, ventilative and printing opacity, keep variations in temperature mild, it is possible to increase tiller number, improve the dry of root and stem and leaf, be conducive to nurturing staff, increase seedling quality.
(6) Seedling field management: after emerging, table soil dries instant moisturizing, maintenance dish soil moisture content, at 35-40%, keeps temperature of shed at 15-30 DEG C, transplants first 5 days and take off canopy seedling exercising;
Wherein, after planting between 1 leaf 1 heart stage, keeping day temperature to be 28-30 DEG C, evening, temperature was 18-22 DEG C; Between 1 leaf 1 heart to 2 leaf 1 heart stages, keeping day temperature to be 25-28 DEG C, evening, temperature was 15-18 DEG C; After 2 leaf 1 hearts, keeping day temperature to be 22-25 DEG C, evening, temperature was 15-18 DEG C.
(7) play seedling: when seedling stem slightly reaches more than 0.23cm, floppy disk is longitudinally rolled, transplants.
The present embodiment successfully needs 35-38 days from seed selection to nursery, reduces about 5 days than commonsense method; In this example, seedling tiller number increases, the thick average out to 0.236cm of stem, and higher than common seedling 0.22cm, plant height is on average at 10-13cm, and lower than the 13-15cm of common seedling, hundred strain stem and leaf dry weights reach 3.35g; In the present embodiment, seedling yield after commonsense method is planted is 442.8kg/667, and the ratio morning Seedling volume increase about 5.3% that common method for culturing seedlings is planted, mouthfeel is obviously improved.

Claims (5)

1. the method for an early rice plastic floppy disk nursery, it is characterised in that comprise the following steps:
(1) presoaking and germinating: by rice paddy seed except the sodium-chloride water solution putting into mass fraction 8% after awns, the seed of drift in removing, clean water is used after taking out the seed of sedimentation, with the microwave device of 1000w after water is drained, the heat of use 40% was by seed treatment 20-40 minute, it is then placed in the dilution of the S-Ethyl ethylthio sulfonate cream of 80% and the Gibberellins solution mixed solution 6000 times of 80g/L, soak seed 18-24 hour, taking-up clear water drains away the water after rinsing, put in Germinator, maintain the temperature at 15-30 DEG C, often stir, can sow when seed is tack-free natural scattered state,
(2) Seedling soil preparation: Seedling mount draws together bed soil and dish soil, and its mid-game mount draws together subsoil, intermediary substrate and earthing, described subsoil thickness 1.5-1.8cm, intermediary substrate thickness 0.3-0.5cm, earthing thickness 0.5-0.8cm;
Bed soil content of organic matter 3.5-4%, pH value regulated value 5.3;
Every 1000kg dish soil is mixed by the raw material of following weight: clay 150kg, thin river sand 420kg, peat composed of rotten mosses 205kg, Vermiculitum 160kg, barnyard manure 58kg, Semen sojae atricolor powder 2kg, Diammonium phosphate (DAP) 0.66kg, calcium superphosphate 2.6kg, ammonium sulfate 1.3kg, ferrous sulfate 0.44kg;
Every 100kg intermediary substrate is mixed by the raw material of following weight: lime-ash 50kg, cattle manure 30kg, practical dreg 20%;
Earthing is mixed by 70% peat composed of rotten mosses and 30% Vermiculitum;
(3) seedling bed and soft seedling culture disc management: plough 12-15cm by seedling bed earth, waters vola water, bed width of seedling shoot 1.5m after striking off compacting, and length is determined according to physical features, is advisable less than 15m, and be above the ground level 10cm; Before sowing, plastic floppy disk is set, floppy disk length 580 �� 1mm, wide 260 �� 1mm, deep 20 �� 1mm in dish, with spacing in the rows for 14.6cm, put plastic floppy disk;
(4) seeding and seedling raising management: spraying 5000 times of liquid 3ml/ of hydroxyisoxazole of 40% prior to seeding, application rate is 100g/ dish, after planting light pressure makes three, seed contact intermediary substrate, immediately after earthing, with 60% 10000 times of liquid 1-2ml/ weed eradications of new Machete;
(5) drop cloth scaffolding: tile layer of non-woven fabric on bed surface, sets up frame at the outer 10cm place of dish, and frame height is 35-40cm, sets up view picture Polypropylence Sheet on frame, and both sides soil covers;
(6) Seedling field management: after emerging, table soil dries instant moisturizing, maintenance dish soil moisture content, at 35-40%, keeps temperature of shed at 15-30 DEG C, transplants first 5 days and take off canopy seedling exercising;
(7) play seedling: when seedling stem slightly reaches more than 0.23cm, floppy disk is longitudinally rolled, transplants.
2. the method for a kind of early rice plastic floppy disk nursery as claimed in claim 1, it is characterised in that in described step (1), the weight of mixed solution and seed weight are than for 5:3, and during seed soaking, the temperature of mixed solution is maintained at 24-28 DEG C.
3. the method for a kind of early rice plastic floppy disk nursery as claimed in claim 1, it is characterised in that in described step (1), seed is when accelerating germination, and initial stage temperature controls at 28-30 DEG C; When after the broken breast of the seed having 80%, temperature is regulated to 24-26 DEG C; When the long 0.8-1.2 millimeter of bud, temperature is regulated to 15-18 DEG C.
4. the method for a kind of early rice plastic floppy disk nursery as claimed in claim 1, it is characterised in that after described step (2) mid-game soil is mixed by the raw material of each weight portion, crosses 4-6mm aperture sieve after smashing.
5. the method for a kind of early rice plastic floppy disk nursery as claimed in claim 1, it is characterised in that after planting between 1 leaf 1 heart stage, keeping day temperature to be 28-30 DEG C in described step (6), evening, temperature was 18-22 DEG C; Between 1 leaf 1 heart to 2 leaf 1 heart stages, keeping day temperature to be 25-28 DEG C, evening, temperature was 15-18 DEG C; After 2 leaf 1 hearts, keeping day temperature to be 22-25 DEG C, evening, temperature was 15-18 DEG C.
CN201510959697.XA 2015-12-21 2015-12-21 Method for raising seedlings of early season rice through plastic trays Pending CN105613104A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106069440A (en) * 2016-06-17 2016-11-09 张建昌 A kind of Oryza sativa L. elasticity length of time rice seedlings grow method for culturing seedlings
CN106105848A (en) * 2016-06-17 2016-11-16 枞阳县白云生态园林有限责任公司 A kind of Fructus Vitis viniferae plantation substrate
CN109896897A (en) * 2019-04-02 2019-06-18 苏州科技大学 A kind of rice nursery substrate and preparation method thereof of cold-resistant drought resisting

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104322338A (en) * 2014-11-21 2015-02-04 安徽喜洋洋农业科技有限公司 Seedling growing and machine transplanting method of double cropping rice
CN105145218A (en) * 2015-09-22 2015-12-16 江苏农林职业技术学院 Method for raising seedlings by mud on rice mechanical transplanting soft discs

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104322338A (en) * 2014-11-21 2015-02-04 安徽喜洋洋农业科技有限公司 Seedling growing and machine transplanting method of double cropping rice
CN105145218A (en) * 2015-09-22 2015-12-16 江苏农林职业技术学院 Method for raising seedlings by mud on rice mechanical transplanting soft discs

Non-Patent Citations (3)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106069440A (en) * 2016-06-17 2016-11-09 张建昌 A kind of Oryza sativa L. elasticity length of time rice seedlings grow method for culturing seedlings
CN106105848A (en) * 2016-06-17 2016-11-16 枞阳县白云生态园林有限责任公司 A kind of Fructus Vitis viniferae plantation substrate
CN109896897A (en) * 2019-04-02 2019-06-18 苏州科技大学 A kind of rice nursery substrate and preparation method thereof of cold-resistant drought resisting

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Application publication date: 20160601