CN109566305A - A kind of Single Late Rice Dry nursery method - Google Patents

A kind of Single Late Rice Dry nursery method Download PDF

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Publication number
CN109566305A
CN109566305A CN201811184102.8A CN201811184102A CN109566305A CN 109566305 A CN109566305 A CN 109566305A CN 201811184102 A CN201811184102 A CN 201811184102A CN 109566305 A CN109566305 A CN 109566305A
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rice
seedling
field
dry
watered
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孔德权
夏仕龙
左桂英
吴金霞
王晓宏
刘成周
张文灿
王立坤
高时凤
陶社亮
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ANHUI XIYANGYANG AGRI-STUFF Co Ltd
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ANHUI XIYANGYANG AGRI-STUFF Co Ltd
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Publication of CN109566305A publication Critical patent/CN109566305A/en
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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
    • A01G22/22—Rice
    • 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
    • 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
    • A01C1/06—Coating or dressing seed
    • 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
    • A01G13/00—Protecting plants
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N39/00—Biocides, pest repellants or attractants, or plant growth regulators containing aryloxy- or arylthio-aliphatic or cycloaliphatic compounds, containing the group or, e.g. phenoxyethylamine, phenylthio-acetonitrile, phenoxyacetone
    • A01N39/02—Aryloxy-carboxylic acids; Derivatives thereof
    • A01N39/04—Aryloxy-acetic acids; Derivatives thereof
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
    • A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
    • A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
    • A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
    • A01N47/30—Derivatives containing the group >N—CO—N aryl or >N—CS—N—aryl

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • Plant Pathology (AREA)
  • Pest Control & Pesticides (AREA)
  • Zoology (AREA)
  • Agronomy & Crop Science (AREA)
  • Soil Sciences (AREA)
  • Botany (AREA)
  • Toxicology (AREA)
  • Pretreatment Of Seeds And Plants (AREA)
  • Fertilizers (AREA)

Abstract

The present invention discloses a kind of Single Late Rice Dry nursery method, comprising the following steps: rice seedling bed and seedbed preparation；Sowing in 20-30 days May, medium variety shift to an earlier date 5d sowing, and early-maturing variety shifts to an earlier date 3d, within seedling age 30d, rice transplanting before 20-30 days June；Emerge 60% when dissipate wet hardening in time, dry rice seedling is based on drought, fine day rice shoot blade reel, waters sooner or later, and when rice shoot fertilizer deficiency sprays 0.1% urea liquid, and sprays simultaneously；Damping-off and small brown rice planthopper prevent and treat；Impose send transfer fertilizer band medicine go to the field；Uniform rice transplanting, every 667m2Ten thousand caves 1.8-2 are thrown in crop field, and every cave 3-4 seedling closes weeding and top dressing, and enough seedlings are baked field and killed off with weeds, are applied strong bar and are promoted fertilizers for potted flowers, ear period insect pest preventing and controlling, 95% it is mature when and opportunity receipts.Single Late Rice Dry nursery technological merit of the present invention is: saving seed rice；Opposite to extend basic vegetative period, alleviating season contradiction and bad climate influences safe Cheng Sui；It increases production and improves productivity；Save cost；Dry nursery than the machine transplanting of rice of blanket seedling and spread live streaming it is few irrigate 2-3 time, saving water source.

Description

A kind of Single Late Rice Dry nursery method
Technical field
The present invention relates to technical field of crop cultivation, specifically a kind of Single Late Rice Dry nursery method.
Background technique
Rice is one of most important cereal crops in China, and sown area is larger, is had in Grain Production in China important Strategic position, China's rice area accounts for about the 29% of the cereal crops gross area, and total yield accounts for the 44% of national total grain output, 90% Southern rice workspace is concentrated on above, and wherein double cropping of rice accounts for a quarter of national Monitoring of Paddy Rice Plant Area or more, is concentrated mainly on river 4th area such as west, Hunan, Guangdong, Guangxi.Rice is also most one of the crop of fertilizer requirement, heavy dressing increase crop production at This, pollutes environment, while also resulting in energy waste, and the raising and top dressing of rice yield and utilization rate of fertilizer have important pass System, the rice of different times need fertilizer also different, and the fertilising in rice shoot period is most important to the growth of rice.
Rice Seedling Culture Under Dry Condition seedling-throwing technology is to cultivate rice seedling using vinyl disc Nutrition Soil or " no disk rice transplanting agent " capsuled seed, By upland nursery, " moisture absorption mud ball " is formed in rice shoot root, rice shoot is colonized to the cultivation in field using the gravity of root Mode, it can be achieved that it is small, in, big robust seedling seedling band soil throw nail to crop field, promote early sowing early to plant, keep away calamity combating drought and raising yields, and can reduce Production cost reduces labor intensity, and realizes that rice abridged edition increases income.
Summary of the invention
The purpose of the present invention is to provide a kind of Single Late Rice Dry nursery methods.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of Single Late Rice Dry nursery method, comprising the following steps:
(1) rice seedling bed and seedbed preparation: rice seedling bed selection and scale；Seedbed fertilizing and whole work；
(2) sow: Single Late Rice Dry nursery selects Early-mid ripening kind, seed treatment；Sowing in 20-30 days May, middle cooked food Kind shifting to an earlier date 5d sowing, early-maturing variety shifts to an earlier date 3d, within seedling age 30d, rice transplanting before 20-30 days June；Every 667m2Crop field sowing quantity: Hybrid paddy rice 1.25-1.5kg, conventional Rice 2-2.5kg；Sowing is sterilized with bed surface；Close weeding and covering in rice seedling bed；
(3) young plants management: net or cloth are connect in time, dissipates wet hardening when emergence 60%, dry rice seedling is based on drought, fine day rice shoot leaf Piece reel can spray 0.1% urea liquid in morning and evening watering, rice shoot fertilizer deficiency, and spray simultaneously；Damping-off and small brown rice planthopper are anti- It controls；Impose send transfer fertilizer band medicine go to the field；Rise 1d before seedling be watered with afternoon it is primary permeable, with sharp seedling root band mud, convenient for vertical seedling；
(4) rice transplanting and field management:
(4-1) uses sufficient base manure, the whole work in crop field: after preceding stubble harvesting, using sufficient base manure, every 667m2It is multiple with 45 (15-15-15) % Hefei 40kg adds urea 5kg that decomposition agent 2kg is added to be mixed thoroughly with blender, then is uniformly spread fertilizer over the fields with fertilizer applicator；
(4-2) uniform rice transplanting: keeping field shallow water when rice transplanting, selects after 4h in fine day afternoon or cloudy rice transplanting, counts before playing seedling Rice shoot, every 667m are calculated2Ten thousand caves 1.8-2 are thrown in crop field, and every cave 3-4 seedling is repeatedly thrown even；
(4-3) closing weeding and top dressing: 3-4d pours water a layer 5-7cm, 667m after rice transplanting2It is mixed with urea 7.5kg, potash fertilizer 5kg 30% the third Bian 120g add 20% pyrazosulfuron 20g, and mixing, which is mixed thoroughly, spreads fertilizer over the fields, and 5-7cm water layer 7-10d is kept after medicine；
(4-4) enough seedlings are baked field and are killed off with weeds: after rice transplanting 20d, often putting down overboard roasting Tian Zhili when having stem tiller seedling 30-40 seedling Foot；1d before roasting field terminates to pour water, according to field grass as selecting the herbicide that satisfies the need；
(4-5) applies strong bar and promote fertilizers for potted flowers: 50% the first generation of stem seedling of Quan Tianyou is long fixed, 667m when the second section extends 1-2cm2It applies Potash fertilizer 10kg, urea 7-8kg make strong bar and promote fertilizers for potted flowers；
(4-6) ear period insect pest preventing and controlling: 7-10d before earing, i.e. stem sword-like leave pulvinus flat phase (small arch luxuriant phase) are to prevent and treat rice song It is simultaneous based on disease, banded sclerotial blight to control other disease pests: 667m2Add kasugarnycin 50g that good fortune dagger-axe 20g is added to be watered 30kg machine with by the steady 30ml of enemy Spray, 3-5d before earing, i.e. stem Flag Leaf Sheath be completely drawn out the phase (big encircle luxuriant phase) to prevent and treat rice blast, simultaneous based on planthopper controls it His disease pest: 667m2Add 75% tricyclazole 40ml that good fortune dagger-axe 20g is added to be watered 30kg with full fringe 30ml to fly to prevent；
(4-7) ear period Guan Shui: between stage of wax ripeness, keeping field wet, (35 DEG C or more) of hot weather add water layer to arrive for booting 5-7cm, the yellow maturity later period, dry dry and wet was wet, never cut off the water supply too early；
(4-8) machine is received: fine day machine receipts is robbed when 95% yellow maturity of medium rice, late 100% yellow maturity opportunity of japonica rice receives.
Further scheme, rice seedling bed selection and scale in the step (1): the dry farming plot of nearest rice workspace or topography are higher Paddy field make seedbed；Dry rice seedling field area determines rice seedling bed area, every 667m according to the transplanting length of time rice seedlings grow2Crop field need rice seedling bed 20~ 30m2；
Seedbed fertilizing and whole work: seedbed shifts to an earlier date 15~20d, turn over for the first time, applies 45 (15-15- after turning over per acre 15) % compound fertilizer 50-60kg carries out secondary turn over before sowing again；And weeds sundries is removed, it is whole by the wide one bar ditch ditch 2m of packet in compartment It is broken, whole thin, cultivated flat, it is compacted after performing seedling compartment with plank pressing.
Further scheme, seed treatment in the step (2) are as follows: the fine 1-2d that basks seeds is selected before seed soaking, every 50kg seed rice is used 25% Prochloraz adds 5% sigh effect azoles 3g to be watered 65kg seed soaking 12h, then picks up the seed rice soaked, drip is not dripped to seed rice, is used " dry-raised nurse " strengthens seedling agent, in the ratio seed dressing and coating of 1:10.
Further scheme, the middle sowing of the step (2) are sterilized with bed surface: being watered with bottom water, uniformly sowing, medium for dry breeding of seedling bed bottom Water, which is watered with, to be irrigated, and after so that 0-10 cm layer of soil water content is reached saturation state, the seed wrapped uniformly is sowed, is then sprinkled again Blinding is squirted disinfection with 95% enemy's 2000 times of liquid of gram sulphur sodium by 1-2cm thin layer fine earth drowning seed.
Further scheme, weeding is closed in rice seedling bed in the step (2): after planting mu with " 33% applies field benefit " 250ml or 30% isoproturon 150ml is watered the closing weeding of 60kg even spraying.
Further scheme, damping-off and small brown rice planthopper prevent and treat in the step (3) are as follows: the rice shoot 2-3 leaf phase, according to damping-off, Seedling pest and small brown rice planthopper generation, development, 667m2Add 50% pymetrozine 12g to be watered 30kg with the double spirit 50g of first to prevent and treat in time.
Further scheme imposes in the step (3) to send and transfers fertilizer band medicine and go to the field are as follows: before lifting 3-5d combine pour water it is wet, 667m2Seedbed is uniformly spread fertilizer over the fields with 3-5kg urea, is added 75% tricyclazole 40g to be watered 30kg with the wide 20ml of health and is sprayed, and accomplishes the fertile band of band Medicine is gone to the field.
Further scheme further includes rotary tillage stubble burying and immersions of pouring water before the whole work in crop field in the step (4): base manure application Afterwards, rotary tillage stubble burying immediately, pours water and impregnates 2-3d.
Further scheme, weeds kill off in the step (4) are as follows: the field 667m of broadleaved herb weight2Added with rice outstanding person 80ml 30% isoproturon 100ml adds 20% fluorine chloropyridine ester 20g to be watered 30kg even spraying, the field 667m more than gramineae weed2With 40% cyhalofop-butyl 100ml adds 30% isoproturon 100ml that 20% fluorine chloropyridine ester 20g is added to be watered 30kg even spraying, medication afterwards Interior pour water floods weeds lobus cardiacus for 24 hours afterwards, and keeps water layer 5-7d.
Compared with prior art, Single Late Rice Dry nursery technological merit of the present invention is:
1, seed rice: the every 667m of hybrid rice seed is saved2Dry nursery saves seed 0.75kg than the blanket seedling machine transplanting of rice, than spreading live streaming Save 1kg, the conventional every 667m of late rice seed2Dry nursery saves seed 2.5kg than the blanket seedling machine transplanting of rice, saves 3-4kg than spreading live streaming.
2, opposite to extend basic vegetative period, alleviating season contradiction and bad climate influences safe Cheng Sui: drought educates throwing Plant than the machine transplanting of rice of blanket seedling and spread live streaming basic vegetative period extension: Xian is 20-25d miscellaneous, round-grained rice miscellaneous 15-20d, conventional late rice 10-15d.
3, increase production and improve productivity: Dry nursery is than the machine transplanting of rice of blanket seedling and spreads the every 667m of live streaming2Hybrid paddy rice increases production 15%, synergy 10%, Conventional latejaponicarice increases production 5%, synergy 7%.
4, save cost: Dry nursery ratio spreads live streaming and saves with kind of cost and closing weeding cost 40-50 member/667m2, drought Throwing is educated to plant than blanket seedling machine transplanting of rice saving kind, nursery and machine transplanting of rice cost 100-120 member/667m2。
5, water-saving: Dry nursery is than the machine transplanting of rice of blanket seedling and spreads live streaming 2-3 times/667m of few irrigation2, save water 120-150t/ 667m2。
Specific embodiment
Present invention is further described in detail combined with specific embodiments below.
Embodiment 1
One, rice seedling bed and seedbed preparation
1, rice seedling bed selection and scale: the dry farming plot of nearest rice workspace or the higher paddy field of topography (were turned over before the winter and are suned the earth which has been ploughed up Freeze and turn up soil) make seedbed, it is desirable that and fertile, loose, the refreshing water of soil property is ventilative, drains and has a good transport service.
Dry rice seedling field area: rice seedling bed area, every 667m are determined according to the transplanting length of time rice seedlings grow2Crop field needs 20~30m of rice seedling bed2。
2, seedbed fertilizing and whole work: seedbed shifts to an earlier date 15~20d, turn over for the first time, applies 45 (15- after turning over per acre 15-15) % compound fertilizer 50-60kg, carried out again before sowing it is secondary turn over, and remove weeds sundries, by compartment one bar ditch ditch 2m of wide packet, It is whole broken, whole thin, cultivated flat, it is compacted after performing seedling compartment with plank pressing.
Two, it begins sowing in good time
1, variety selection and seed treatment: Single Late Rice drought educates transplanting (or rice transplanting) and selects Early-mid ripening kind, selects germination The high good seed of rate, bask seeds 1~2d.
Seed soaking coating: 25% Prochloraz of every 50kg kind paddy adds 5% sigh effect azoles 3g to water 65kg seed soaking 12h or so, then The seed rice soaked is picked up, drip is not dripped to seed rice, seedling agent is strengthened with " dry-raised nurse ", in the ratio seed dressing and coating of 1:10.
2, sowing time: 20-30 days May.Dry Raising Method of Late Rice Seedlings leaf emergence rate is slower than water seedling, it is therefore desirable to sow in advance, generally Medium variety shifts to an earlier date 5d sowing, and early-maturing variety, which shifts to an earlier date 3d, to be advisable, within seedling age 30d, rice transplanting before 20-30 days June.
3, application rate: every 667m2Crop field sowing quantity: 1.25~1.5kg of hybrid paddy rice, conventional Rice 2-2.5kg.
4, sowing is sterilized with bed surface: being watered with bottom water, is uniformly sowed, medium for dry breeding of seedling bed bottom water, which is watered with, to be irrigated, and keeps 0~10cm native After layer water content reaches saturation state, the seed wrapped uniformly is sowed, then sprinkles 1~2cm thin layer fine earth drowning seed again, Blinding is squirted into disinfection with 95 enemy's 2000 times of liquid of gram sulphur sodium.
5, weeding is closed in rice seedling bed: after planting it is equal with " 33% apply field benefit " 250ml or 30% isoproturon 150ml to be watered 60kg for mu Even fog seal weeding.
6, it covers: carrying out with sunshade net or without objects such as anti-cloth covering anti-riot rainstorm solarization.
Three, young plants management
1, it connects net hardening: connecing net or cloth in time when emergence 60%, dissipates wet hardening.
2, moisture content Guan Shui: dry rice seedling is generally not required to pour water based on drought, can be sooner or later if fine day rice shoot blade reel Watering.
3, top dressing: late rice rice shoot makees base manure with compound fertilizer, generally top dressing less, mainly anti-steep long, such as base manure deficiency, rice shoot It when showing serious fertilizer deficiency, can be sprayed with 0.1% urea liquid, and clear water sprays to prevent fertilizer damage simultaneously.
4, damping-off and small brown rice planthopper prevent and treat: the rice shoot 2-3 leaf phase occurs according to damping-off, seedling pest and small brown rice planthopper, develops feelings Condition, 667m2Add 50% pymetrozine 12g to be watered 30kg with the double spirit 50g of first to prevent and treat in time.
5, impose to send and transfer fertilizer band medicine and go to the field: 3-5d is combined and is poured water wet, 667m before lifting2Seedbed is uniform with 3-5kg urea It spreads fertilizer over the fields, adds 75% tricyclazole 40g to be watered 30kg with the wide 20ml of health and be sprayed, accomplish that band fertilizer band medicine is gone to the field.
6, lifting: rise 1d before seedling be watered with afternoon it is primary permeable, with sharp seedling root band mud, convenient for vertical seedling.
Four, rice transplanting and field management
1, it uses sufficient base manure: after preceding stubble harvesting, using sufficient base manure, every 667m2Add urine with 45 (15-15-15) % compound fertilizer 40kg Plain 5kg adds decomposition agent 2kg to be mixed thoroughly with blender, then is uniformly spread fertilizer over the fields with fertilizer applicator.
2, rotary tillage stubble burying and immersion of pouring water: after base manure applies, rotary tillage stubble burying, pours water and impregnates 2-3d immediately.
3, the whole work in crop field: crop field is poured water impregnate 2-3d after, whole field is harrowed in rotation, overboard to melon skin water after mud sediment 1d after raking Layer carries out rice transplanting.Every 3~4m has stayed the operation row of 25cm wide before rice transplanting, so as to farm work.
4, uniform rice transplanting: keeping field shallow water when rice transplanting, selects after 4h in fine day afternoon or cloudy rice transplanting, calculates before playing seedling Rice shoot, every 667m2Ten thousand caves 1.8-2 are thrown in crop field, and every cave 3-4 seedling is repeatedly thrown even.
5, weeding and top dressing are closed.3~4d pours water a layer 5-7cm, 667m after rice transplanting2It is mixed with urea 7.5kg, potash fertilizer 5kg 30% the third Bian 120g add 20% pyrazosulfuron 20g, and mixing, which is mixed thoroughly, spreads fertilizer over the fields, and 5-7cm water layer 7-10d is kept after medicine.
6, enough seedlings bake field in due course: after rice transplanting 20d, every square metre has stem tiller seedling 30-40 seedling (30 seedling of hybrid paddy rice, conventional Rice 40 Seedling) when will in due course overboard roasting field to keeping a foothold.
7, weeds kill off: 1d before roasting field terminates to pour water, according to field grass as selection is satisfied the need herbicide, broadleaved herb weight Field 667m2Add 30% isoproturon 100ml that 20% fluorine chloropyridine ester 20g is added to be watered 30kg even spraying, grass with rice outstanding person 80ml Field 667m more than section weeds230% isoproturon 100ml is added to add 20% fluorine chloropyridine ester 20g with rear 40% cyhalofop-butyl 100ml It is watered 30kg even spraying.Interior pour water floods weeds lobus cardiacus for 24 hours after medication, and keeps water layer 5-7d.
8, Shi Haozhuan bar promotees fertilizers for potted flowers: 50% stem seedling first segment of Quan Tianyou is long fixed, 667m when the second section extends 1-2cm2It applies Potash fertilizer 10kg, urea 7-8kg make strong bar and promote fertilizers for potted flowers.
9, ear period insect pest preventing and controlling: 7-10d before earing, i.e. stem sword-like leave pulvinus flat phase (small arch bud phase) with prevent and treat false smut, It is simultaneous based on banded sclerotial blight to control other disease pests: 667m2It is sprayed with taking the steady 30ml of enemy to add kasugarnycin 50g that good fortune dagger-axe 20g is added to be watered 30kg machine.It takes out 3-5d before fringe, i.e. stem Flag Leaf Sheath be completely drawn out the phase (big encircle luxuriant phase) to prevent and treat rice blast, simultaneous based on planthopper controls other diseases Worm: 667m2Add 75% tricyclazole 40ml that good fortune dagger-axe 20g is added to be watered 30kg with full fringe 30ml to fly to prevent.
10, ear period Guan Shui: between stage of wax ripeness, keeping field wet, (35 DEG C or more) of hot weather add water layer to 5- for booting 7cm, the yellow maturity later period, dry dry and wet was wet, never cut off the water supply too early.
11, in due course machine is received: fine day machine receipts is robbed when 95% yellow maturity of medium rice, late 100% yellow maturity opportunity of japonica rice receives.
The present embodiment Single Late Rice Dry nursery method, 666.7m2You Xiao Miho number: hybrid paddy rice Dry nursery is than machine transplanting of rice technology Increase 5000-8000 Mei Miho floret bears and increase 30-40, setting percentage improves 5-7%.
This hair can be understood and applied the above description of the embodiments is intended to facilitate those skilled in the art It is bright.Person skilled in the art obviously easily can make various modifications to case study on implementation, and described herein one As principle be applied in other embodiments without having to go through creative labor.Therefore, the present invention is not limited to implementation cases here Example, those skilled in the art's announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be Within protection scope of the present invention.

Claims (9)

1. a kind of Single Late Rice Dry nursery method, it is characterised in that: the following steps are included:
(1) rice seedling bed and seedbed preparation: rice seedling bed selection and scale；Seedbed fertilizing and whole work；
(2) sow: Single Late Rice Dry nursery selects Early-mid ripening kind, seed treatment；Sowing in 20-30 days May, medium variety mention Preceding 5d sowing, early-maturing variety shift to an earlier date 3d, within seedling age 30d, rice transplanting before 20-30 days June；Every 667m2Crop field sowing quantity: hybridization Rice 1.25-1.5kg, conventional Rice 2-2.5kg；Sowing is sterilized with bed surface；Close weeding and covering in rice seedling bed；
(3) young plants management: connecing net or cloth in time, dissipate wet hardening when emergence 60%, and dry rice seedling is based on drought, fine day rice shoot blade volume Cylinder can spray 0.1% urea liquid in morning and evening watering, rice shoot fertilizer deficiency, and spray simultaneously；Damping-off and small brown rice planthopper prevent and treat；It chases after Apply send transfer fertilizer band medicine go to the field；Rise 1d before seedling be watered with afternoon it is primary permeable, with sharp seedling root band mud, convenient for vertical seedling；
(4) rice transplanting and field management:
(4-1) uses sufficient base manure, the whole work in crop field: after preceding stubble harvesting, using sufficient base manure, every 667m2With 45 (15-15-15) % compound fertilizers 40kg adds urea 5kg that decomposition agent 2kg is added to be mixed thoroughly with blender, then is uniformly spread fertilizer over the fields with fertilizer applicator；
(4-2) uniform rice transplanting: keeping field shallow water when rice transplanting, selects after 4h in fine day afternoon or cloudy rice transplanting, calculates before playing seedling Rice shoot, every 667m2Ten thousand caves 1.8-2 are thrown in crop field, and every cave 3-4 seedling is repeatedly thrown even；
(4-3) closing weeding and top dressing: 3-4d pours water a layer 5-7cm, 667m after rice transplanting230% the third are mixed with urea 7.5kg, potash fertilizer 5kg Bian 120g adds 20% pyrazosulfuron 20g, and mixing, which is mixed thoroughly, spreads fertilizer over the fields, and 5-7cm water layer 7-10d is kept after medicine；
(4-4) enough seedlings are baked field and are killed off with weeds: often flat to have when stem tiller seedling 30-40 seedling overboard roasting field to keeping a foothold after rice transplanting 20d；It is roasting 1d before field terminates to pour water, according to field grass as selecting the herbicide that satisfies the need；
(4-5) applies strong bar and promote fertilizers for potted flowers: 50% stem seedling first segment of Quan Tianyou is long fixed, 667m when the second section extends 1-2cm2Potassium application 10kg, urea 7-8kg make strong bar and promote fertilizers for potted flowers；
(4-6) ear period insect pest preventing and controlling: 7-10d before earing, i.e. stem sword-like leave pulvinus flat phase (small arch luxuriant phase) are to prevent and treat false smut, line It is simultaneous based on blight to control other disease pests: 667m2With taking the steady 30ml of enemy to add kasugarnycin 50g that good fortune dagger-axe 20g is added to be watered the spray of 30kg machine, ear Preceding 3-5d, i.e. stem Flag Leaf Sheath be completely drawn out the phase (big encircle luxuriant phase) to prevent and treat rice blast, simultaneous based on planthopper controls other disease pests: 667m2Add 75 tricyclazole 40ml that good fortune dagger-axe 20g is added to be watered 30kg with full fringe 30ml to fly to prevent；
(4-7) ear period Guan Shui: between stage of wax ripeness, keeping field wet, (35 DEG C or more) of hot weather add water layer to 5- for booting 7cm, the yellow maturity later period, dry dry and wet was wet, never cut off the water supply too early；
(4-8) machine is received: fine day machine receipts is robbed when 95% yellow maturity of medium rice, late 100% yellow maturity opportunity of japonica rice receives.
2. Single Late Rice Dry nursery method according to claim 1, it is characterised in that: rice seedling bed is selected in the step (1) Select and scale: the dry farming plot of nearest rice workspace or the higher paddy field of topography make seedbed；Dry rice seedling field area, according to transplanting seedling Age determines rice seedling bed area, every 667m2Crop field needs 20~30m of rice seedling bed2；
Seedbed fertilizing and whole work: seedbed shifts to an earlier date 15~20d, turn over for the first time, applies 45 (15-15- after turning over per acre 15) % compound fertilizer 50-60kg carries out secondary turn over before sowing again；And weeds sundries is removed, it is whole by the wide one bar ditch ditch 2m of packet in compartment It is broken, whole thin, cultivated flat, it is compacted after performing seedling compartment with plank pressing.
3. Single Late Rice Dry nursery method according to claim 1, it is characterised in that: in the step (2) at seed Reason are as follows: the fine 1-2d that basks seeds is selected before seed soaking, every 50kg seed rice adds 5% sigh effect azoles 3g to be watered 65kg seed soaking 12h with 25% Prochloraz, so The seed rice soaked is picked up afterwards, drip is not dripped to seed rice, seedling agent is strengthened with " dry-raised nurse ", in the ratio seed dressing and coating of 1:10.
4. Single Late Rice Dry nursery method according to claim 1, it is characterised in that: in the step (2) sowing with Bed surface disinfection: being watered with bottom water, uniformly sows, medium for dry breeding of seedling bed bottom water, which is watered with, to be irrigated, and 0-10 cm layer of soil water content is made to reach full After state, the seed wrapped uniformly is sowed, then sprinkles 1-2cm thin layer fine earth drowning seed again, with 95 enemy's gram sulphur sodium Blinding is squirted disinfection by 2000 times of liquid.
5. Single Late Rice Dry nursery method according to claim 1, it is characterised in that: rice seedling bed is sealed in the step (2) Close weeding: after planting mu is watered the closing weeding of 60kg even spraying with " 33%, which applies field, mends " 250ml or 30% isoproturon 150ml.
6. Single Late Rice Dry nursery method according to claim 1, it is characterised in that: damping-off in the step (3) It is prevented and treated with small brown rice planthopper are as follows: the rice shoot 2-3 leaf phase occurs, development, 667m according to damping-off, seedling pest and small brown rice planthopper2With the double spirits of first 50g adds 50% pymetrozine 12g to be watered 30kg to prevent and treat in time.
7. Single Late Rice Dry nursery method according to claim 1, it is characterised in that: impose and send in the step (3) It transfers fertilizer band medicine to go to the field are as follows: 3-5d combines wet, the 667m that pours water before lifting2Seedbed is uniformly spread fertilizer over the fields with 3-5kg urea, with the wide 20ml of health Add 75% tricyclazole 40g to be watered 30kg to be sprayed, accomplishes that band fertilizer band medicine is gone to the field.
8. Single Late Rice Dry nursery method according to claim 1, it is characterised in that: crop field is whole in the step (4) Further include rotary tillage stubble burying and immersion of pouring water before work: after base manure applies, rotary tillage stubble burying, pours water and impregnates 2-3d immediately.
9. Single Late Rice Dry nursery method according to claim 1, it is characterised in that: weeds remove in the step (4) It kills are as follows: the field 667m of broadleaved herb weight2Add 30% isoproturon 100ml that 20% fluorine chloropyridine ester 20g is added to be watered with rice outstanding person 80ml 30kg even spraying, the field 667m more than gramineae weed230% isoproturon 100ml is added to add with rear 40% cyhalofop-butyl 100ml 20% fluorine chloropyridine ester 20g is watered 30kg even spraying, and interior pour water floods weeds lobus cardiacus for 24 hours after medication, and keeps water layer 5-7d.
CN201811184102.8A 2018-10-11 2018-10-11 A kind of Single Late Rice Dry nursery method Pending CN109566305A (en)

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Application publication date: 20190405