CN102783387A - Seedling raising technology for paddy rice in small field pools in mountainous area - Google Patents
Seedling raising technology for paddy rice in small field pools in mountainous area Download PDFInfo
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- CN102783387A CN102783387A CN2012102670032A CN201210267003A CN102783387A CN 102783387 A CN102783387 A CN 102783387A CN 2012102670032 A CN2012102670032 A CN 2012102670032A CN 201210267003 A CN201210267003 A CN 201210267003A CN 102783387 A CN102783387 A CN 102783387A
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Abstract
The invention relates to a seedling raising technology for paddy rice in a small field pool in mountainous area. The seedling raising period in the small field pool is set to be 28, March to 8, April, early seedling raising is performed in low elevation areas and late seedling raising is performed in high elevation areas. Before seedling raising, seeds are dried in the sun for 1 to 2 days, then 4 percent of saline solution is used for picking out imperfect grains, perfect grains are socked for 48 to 52 hours after being cleaned by using water, accelerating germination for 24 to 48 hours is performed after fishing out, and the length of bud does not excess half grain. The small field pool is digged to be the field pool with the depth of 13 to 15 cm and the width of 80 to 100 cm, and the pool length is 1.5 m which is in accordance with that of large field of 667 square meters. A layer of fine sand, with the thickness of 1 to 2 cm, is evenly paved on the bottom of the field pool, then fertile soil and fine sand are mixed according to the ratio of 1 to 1 and compressed for 4 to 5 cm, thoroughly decomposed light liquid dung is used for pouring, the seeding is evenly broadcasted, then fine fertile soil with the thickness of 0.5 cm is used for covering, and double-film covering is adopted for warming. Unit area high yield is achieved through field pool seedling management and plantlet insertion nursery period rich water management such as warming for accelerating germination, insulating seeding promotion insulating for seedling growth promotion, film uncovering for domestication, and rat and bird damage prevention, as well as comprehensive technology such as large field early transplanting in optimum periods, formulated fertilization, cultivation, weeding, extermination of disease and insect pests.
Description
Technical field
The present invention relates to pond, little ground, a kind of mountain area seedling-cultivation technique.
Background technology
Mountain area raising rice seedlings technology is educated constantly bringing forth new ideas of non-irrigated seedling, the seedling of plastic floppy disk water management through watery ricenursery, mud premature rice, film.But all there is the operation more complicated, manageability not, sowing quantity is big, and production cost is high, and percentage establishment of seedling is low, the shortcoming of seedling quality difference.Two sections seedling in greenhouse of innovation had solved the problems referred to above basically afterwards, still existed and will build the seedling greenhouse specially; Concentrate the personal management; The peasant whenever educates one kilogram of seed needs 12 yuan of seedling expenses, and greenhouse heating needs a large amount of fuel, discharging great amount of carbon dioxide during burning.Broad masses are badly in need of a kind of simple and easy to do, the new technology of can single household carrying out seedling.
From retrieving domestic and international pertinent literature: find to have report with pond, little ground of paddy rice, mountain area seedling-cultivation technique related content.
Summary of the invention:
The objective of the invention is to propose pond, little ground of paddy rice, a kind of mountain area seedling-cultivation technique; Can solve in the current conventional seedling-cultivation technique, sowing quantity is many, recruitment is many and concentrate, seedling age elasticity is little, seedling rot is heavy, the rice shoot survival rate is low, seedling quality is poor, change one's clothes in the transplanting land for growing field crops heavily, send out a seedling tillers and wait technical problem slowly.
Realize that the object of the invention technical scheme is following:
Select improved seeds for use: select the disease-resistant hybrid rice breeding of high yield and high quality for use, the middle-late ripening variety of breeding time more than 148 days is selected in short mountain, Pingba area, and half alpine region, hills is selected medium variety morning below 145 days for use.
Seed selection, seed soaking: earlier rice paddy seed was shone 1-2 days; Choose seeds with 4% saline solution then, select not plump paddy half not plump paddy, will remain full seed rice clear water and eluriate 3-4 time; Require seed soaking according to the seed soaking of the medicament in seed packet explanation; Soaking seed 48-52 hour with clear water of no medicament changed water 1-2 time during the seed soaking, and clear water is washed 2 times.
Vernalization: vernalization was soaked 30 minutes with 45 ℃ of anti-warm water earlier or was soaked 15 minutes with 50 ℃ warm water, pulled the dried open fire of drench afterwards out, precedingly should keep 35-38 ℃ high temperature to break chest in 5 hours.Keep 31-32 ℃ of preference temperature vernalization 12-15 hour behind the broken chest of seed, treat the bud sowing of can drying in the air that shows money or valuables one carries unintentionally of 80% grain, bud length is no more than half grain.
Carry out the pond, ground: on the plot of choosing, seedbed, by every 667m
2The long 1.5m in seedbed is used in the land for growing field crops, the wide 100cm in pond, ground, and pond, dark 13-15cm excavation ground, pond soil takes out, and the ditch begins to rehearse around the face of pond.
On pond, ready-made ground, spread fertilizer over the fields the fine sand of one deck 1-2cm, soil and the farmyard manure mixing loam that becomes thoroughly decomposed that upper berth 4-5cm is thick 1: 1 water bed surface with light urine water again, will plant bud then and evenly be sprinkling upon on the loam, cover thin loam 0.5cm again, and blinding must not surpass 1cm.
After planting build the two film insulations of shed lid immediately, sagitta is not less than 35cm, obturages with soil pressure is real around the film.Preceding 3 days temperature in the shed 31-33 ℃ when surpassing 35 ℃, should be aeration-cooling, keep 31 ℃ of left and right sides temperature later on.
When a leaf wholeheartedly the time, the two of opening film daytime, epiphragma insulation in evening.Post to insert and a few days ago take off film white silk seedling, increase the rice shoot cold tolerance, improve and post the rice transplanting shoot survival percent.
Water management in the film of pond, ground: the first five it is wet, and the principle of eaves gutter slide in back five days often keeps; Blade tip is hung dewdrop, and the state of aqueous vapor is arranged in the film.Turn white like no aqueous vapor, the face of land in the film, immediately work of water sprinkling for better material moisture.
Rice shoot is posted slotting; On the field piece of choosing meticulous smooth after, make the seedling furrow of face width 1-1.2m, the furrow face is executed farmyard manure 1500-2000kg ten superphosphate 40-50kg ten urea 5-8kg for every mu; Cover, ward off flat, troweling, dried in the air 1 day with mud again, reach hand and can post slotting seedling by foundry loam not.The plan length of time rice seedlings grow posting with 3.3x3.3cm square below 45 days is slotting, the density of the 5x5cm at the 45-50 days length of time rice seedlings grow, and the length of time rice seedlings grow posts slotting with 6.5x6.5cm density more than 50 days.
The humidity of seedbed management, posting to insert in back maintenance in the 1-2 days ditch has water not go up the furrow face, and upright seedling was taken root the shoaling layer that the back keeps 1-2cm in 3 days.
Rice seedling bed fertilising, post insert back 5 days every mu impose light urine water 1000kg or urea 3-4kg, the heavy dressing in tri-leaf period is attacked fetilizer for tillering mu and is executed urea 10kg, the transplanting land for growing field crops was executed once to send and is transferred fertilizer in preceding 5 days, executed urea 7-8kg for every mu.
The optimization of C fertilising is carried out in the land for growing field crops.Mu bottom application farm manure 1500kg ten carbonic hydroammonium 50kg ten calcium superphosphate 50kg imposed once short fetilizer for tillering in 7 days after the rice transplanting, and mu is executed urea 10kg.
Light irrigation water, short tiller early, dry field in good time, when accomplishing that enough 200,000 seedlings of seedling do not wait, the time did not wait the dry field of seedling to urge control means to June 25, the raising percentage of earbearing tiller reaches high yield.
Technique effect of the present invention is; The pond seedling of little ground of paddy rice is a kind of easier seedling-cultivation technique that development forms on the basis of watery ricenursery, mud premature rice, film seedling, non-irrigated seedling, plastic floppy disk seedling, the two sections seedling in greenhouse; Compare with the two sections seedling in greenhouse; Possess skills and simply be convenient to operation, need not enter the greenhouse, be suitable for single household and promote; With kind economize, seedling rot is few, rice shoot is healthy and strong, posts that to insert the fast survival rate of slow seedling high; It is bigger to post slotting seedling age elasticity, can keep away adverse weather and avoid posting the concentrated production contradiction that waits of slotting recruitment; Labor and material saving, outstanding features such as security insurance are under the situation that county rural labour is nervous at present, the greenhouse reduces year by year and the seedling quality descends to some extent, widely popularize and answer the two sections seedling-cultivation techniques in land used pond, the mountain area paddy rice is stablized high yield play facilitation.
First, the applicant for the mud off the valley and the small nursery ground pool double membrane insulation test clearly improves Seeding rate of 33 /; Second seed quantity trial clearly acres of seed saving 0.5kg, reduce costs 10 yuan; three small ground pool seedlings than two seedling greenhouse greenhouse management fee of 12 yuan savings; Fourth seedling quality survey mud down the valley than five days early tillering, tiller number per plant increased 0.8; Fifth dressing made clear during the trial period is inserted suitable dressing about 7 days after planting; six ground pool is small seedlings per acre than the mud off the valley seedlings mu yield 59 kilograms.
Embodiment
Below in conjunction with embodiment the present invention is done further explanation.A small mountain of rice seedlings to pool technical key five major areas, namely according to altitude select appropriate growth stage of local disease-resistant varieties of high yield and quality, two are selected to build the pool, three is to strengthen the management of ground pool and seedling seedling cultivation quality seedlings, four are reasonable Mi Zhi, Fifth fertilization, timely fertilizer Shaitian promote control combination, to strengthen field management, pest control, etc., to promote high-yielding rice reached.
Choose sowing time and kind
It is 13 ℃ that pond, ground seedling safety is posted slotting daily mean temperature, and the seedling seedling phase is about 10 days in the pond, ground.Secondly therefore, the righttest seedling planting phase of mountain area should be decided to be March 28 to April 8, and about 800 meters should grow seedlings April 3～5 in the area, and, in above-mentioned suitable sowing date scope, height above sea level short more date of seeding should shift to an earlier date more, otherwise, then should postpone.Date of seeding more early, but pond, ground seedling seedling age proper extension is posted to insert and should be selected the fine weather of the warm head of cold tail to carry out.The kind of the ground two sections seedling in pond is selected and two sections seedling kind basically identicals, plantation long kind breeding time of forbidding to cross the border.
Presoaking and germinating
Presoaking and germinating carried out prior to seeding in 5～7 days, earlier with seed airing 1～2 day, chose seeds with 4% saline solution then, pulled the blighted grain and half blighted grain of come-up out; To remain full seed rice and eluriate 3～4 times seed soaking again with clear water, be furnished with in the seed packet seed soaking medicament by explanation requirements seed soaking, the soaking seed 48～52 hours of no medicament with clear water, change water 1～2 every day during the seed soaking; Eluriate seed 2～3 times with clear water the seed soaking back, and vernalization again, vernalization generally need 1～2 day; Should keep preference temperature during this time, duty is turned over kind, replenishes warm water; With guarantee that vernalization is temperature required, the supply of moisture, oxygen, treat the bud sowing of can drying in the air that shows money or valuables one carries unintentionally of 80% grain, bud length is degree no longer than half paddy.
Carry out the pond, ground: selects the leeward nearer edge of a field of institute of leaving the theatre on the sunny side, dig one dark 10～15 centimetres, wide 80～100 centimetres geosyncline, length is looked seed rice and how much is decided, and generally broadcasts 1 square metre by 0.6～0.7 kilogram of seed rice.
Broadcast preceding preparation: the even layer thickness in stand is 1～2 centimetre a fine sand at the bottom of the pond, repaves 4～5 cm thicks with thin loam+fine sand in 5: 5 ratio mixing then, and is floating and push with trowel, waters enough with become thoroughly decomposed light liquid dung or clear water to irrigate again, and is ready to bamboo pole and film.
Evenly sowing
To urge seed rice airing a period of time of bud before the sowing earlier; Make not easy damaged of moisture loss bud head deliquescing, treat to ooze under the moisture of seedbed the no open fire in surface and can sow, wrap light pressure of film paper with trowel again after seed rice spreads and spares and make bud paddy go into mud; Cover the fine sand soil of 0.5 cm thick again, seed is exposed.
Epiphragma heats up
After sowing finishes, put up bow member immediately, cover plastic film, sagitta is not less than 35 centimetres, obturages with soil pressure is real all around.Aqueous vapor rises rapidly behind the overlay film, like no aqueous vapor, bad sealing is described, unfavorable heating and heat preservation should in time be fixed.Also can cover duplicature when higher area of height above sea level or date of seeding are later.
The management of pond, ground
Pond, ground seedling management is done a good job of it from four aspects: 1. heat short bud.Sowing is to three or four days that emerge, and general stuffyly do not water, and high temperature urge seedling, but temperature in the shed should be aeration-cooling when surpassing 35 ℃, and Qi Miaohou to a leaf wholeheartedly opens two daytime, and evening, epiphragma was incubated; 2. keep humidity.The ground pool inner water divides the principle in line with " preceding 5 days wet, back 5 days water stain stains ", often keeps the state of " blade tip is hung dewdrop, and aqueous vapor is arranged in the film ".As find not have aqueous vapor in the film, face of land whitening, spray water immediately, being sprayed onto ground has open fire to get final product.Ascendingly when taking off film slowly open, make it to adapt to external environment, spray 25 ℃ of left and right sides hot water then, prevent to take off suddenly film, sprinkle cold water, blue or green withered seedling can take place like this.3. take off film refining seedling.This is that enhancing rice shoot cold hardiness, raising are posted and be inserted into key alive.After rice shoot reaches 1 leaf, 1 heart, post the slotting preceding whole day that takes and took off film refining seedling 2～3 days, like no cold wave, evening is epiphragma no longer.Suitably control water during the refining seedling, make rice shoot strong always.4. points for attention.Prevent mouse fowl destruction film, the rice shoot of causing harm, particularly refine between seedling stage and will run livestock and poultry well, prevent the plague of rats.
The rice seedling bed is posted slotting
The rice transplanting field is posted in finishing.Post the rice transplanting field and should select the higher field piece of physical features, box-like rice seedling bed is made in the whole thin leveling of first quarter moon in advance; Wide 1～the 1.2m of furrow, strictness accomplishes that the furrow face is smooth, when doing the furrow face; Except that using the organic manure that becomes thoroughly decomposed, also to execute 40～50 kilograms of superphosphate for every mu, 5～8 kilograms in urea; Be spread on the furrow face, smear again the thin mud of one deck topped, ward off flat, troweling, the plate 1～2 day of drying in the air, hand can be posted slotting by foundry loam not.
Rob fine day standardize post slotting.For avoiding low temperature invasion and attack, should be chosen in fine day and post slottingly, post and drawn grid with marker at the furrow face before inserting, single then seedling is posted slotting, plan the length of time rice seedlings grow in 45 days with 3.3 * 3.3cm, the 5 * 5cm at the length of time rice seedlings grow between 45-50 days; Being advisable more than 50 days with 6.5 * 6.5cm or 6.5 * 5cm.
Be with newborn surface planting, shallow irrigation.Seedling is posted wholeheartedly the time slotting at a leaf, the surface planting of band grain, the degree of depth of planting, to go into half paddy of mud, seedling will be planted directly, does not tiltedly fall, post insert after immediately with the thin excrement that sieve, covering at all, and the filling shallow water moistens root.
Precision management.The management of posting the rice transplanting field is roughly with general hybrid rice rice seedling bed.Post and insert the back and in the maintenance ditch water was arranged in one, two day, the furrow face is moistening, non-whitening, and no open fire must guard against deep water and is floated seedling and fall seedling.Seedling plate on the shallow water keeps thin water layer behind the upright seedling, is advisable not flood lobus cardiacus.Post to insert promptly to execute in back three, five days and topdress for the first time; Execute 3～4 kilograms in light urine water 1000km or urea for every mu, fetilizer for tillering is once attacked in the heavy dressing in tri-leaf period, and mu is executed about 10 kilograms in urea; Take the circumstances into consideration again to mend later on to execute short fetilizer for tillering; Pull up seedlings to execute to send in preceding 4～5 days and transfer fertilizer, execute 4～5 kilograms in urea for every mu, and prevention and elimination of disease and pests at any time and weeding a garden.Little
The land for growing field crops technology of forming a complete and comprehensive system for collecting real estate fees
The fertilising of implementation optimization of C.In go up fertility level mu and execute 1500～2000 kilograms in semi supplied manure, pure N8～10 kilogram, P
2O
53～4 kilograms, K
2The O2 kilogram, the Zn1 kilogram makes the fertility element reasonable mixture ratio that applies, and the nutrient comprehensive coordinate is beneficial to individual and the healthy and strong growth of colony.Fertilizing time: except that plain 70% base of N was executed, the whole bases of all the other key elements were executed; It is early suitable to topdress, with N plain 30% 7～10 days combination intertill and clean tillage deep placements after rice transplanting.It is main that ear manuer is used with top dressing, and the different development stage before the grouting is taken the circumstances into consideration fertilizer such as an amount of foliage-spray multielement micro-fertilizer, rare earth element and potassium dihydrogen phosphate, regulates C/N ratio, and it is not enough to replenish nutrient, and the big fringe of short fringe is heavy.
Rationally pour water, in good time dry field.Duty is watered light irrigation and is sent out short morning, early reaches seedling, early dry field.The total stem number of mu reaches 200,000 seedlings and begins dry field, and the dry field time was grasped before June 25, in order to the control ineffective tillering, improves rate of tillering panicle.Rehydration before July 5 prevents that rehydration is slow, influences ear differentiation.
Do the integrated control of disease worm well.According to the rice growth requirement, on a series of optimization body-building cultivation step basis,, carry out chemical control in conjunction with sick worm pests occurrence rule and field investigation, drop to minimum level to sick worm harm.Emphasis is carried out the control of rice blast, the rice sheath blight, striped rice borer, oryza chinensis, rice plant skipper, rice leaf roller, guarantees high yield.
Claims (5)
1. pond, little ground of paddy rice, mountain area seedling-cultivation technique is characterized in that,
Seed selection: select kind according to height above sea level, low height above sea level is used middle-late ripening variety, and high height above sea level is used the mid-early maturity kind; Basked seeds before the seedling 1-2 days, with the seed selection of 4% saline solution, remaining full kinds soaked seed with after flushing with clean water 3-4 time; The general immersion 48-52 hour; Change water 1-2 every day, pulls out after soaking with 2-3 back vernalization of flushing with clean water, and bud length is no more than seed length one half and broadcasts sowing.
On the plot of choosing, seedbed, by every 667m
2The land for growing field crops is with the long 1.5m in seedbed, the wide 100cm of bed surface, and pond, dark 13-15cm excavation ground, bed pond, the ditch begins to rehearse around the pond.
On ready-made Di Chi seedbed, evenly spread fertilizer over the fields the thick fine sand soil of one deck 1-2cm, use 1: 1 the farmyard manure that becomes thoroughly decomposed to mix the thickness of spreading 4-5cm with soil then, floating pushing watered foot with the light liquid dung that becomes thoroughly decomposed again and irrigated, and get bamboo pole and film ready.
Scattered seeds at Di Chi in the 28-4 month in March 8, short mountain area should be as far back as sowing on 28-April 5 March, and the mountain should be sowed-8 days on the 3rd April evening in the halfway up the hill.The thin loam of loam cake 0.5cm after planting, the arch camber epiphragma.3-4 after planting days general stuffy watering, high temperature is urged seedling, but aeration-cooling when surpassing 350C in the film, and Qi Miaohou takes off film to a leaf wholeheartedly the time and practice seedling daytime, and overlay film insulation again in evening is sprayed water when no aqueous vapor, face of land whitening in the film immediately.After rice shoot reaches 1 leaf, 1 heart, to take off film in 2-3 days before inserting and refine seedling to posting.
Pond, ground seedling management is done a good job of it from four aspects: 1. heat short bud.Sowing is to three or four days that emerge, and general stuffyly do not water, and high temperature urge seedling, but temperature in the shed should be aeration-cooling when surpassing 35 ℃, and Qi Miaohou to a leaf wholeheartedly opens two daytime, and evening, epiphragma was incubated; 2. keep humidity.The ground pool inner water often divides the state that keeps " blade tip is hung dewdrop, and aqueous vapor is arranged in the film ".3. take off film refining seedling.After rice shoot reaches 1 leaf, 1 heart, post the slotting preceding whole day that takes and took off film refining seedling 2～3 days, like no cold wave, evening is epiphragma no longer.Suitably control water during the refining seedling, make rice shoot strong always.
Post the rice transplanting field and should shift to an earlier date the whole thin leveling of first quarter moon, make box-like rice seedling bed, the wide 1～1.2m of furrow accomplishes that the furrow face is smooth.Except that using the organic manure that becomes thoroughly decomposed, every mu also will be spread fertilizer over the fields 40～50 kilograms of superphosphate when doing furrow, 5～8 kilograms in urea, smear again the thin mud of one deck topped, ward off flat, troweling, the plate 1～2 day of drying in the air, hand can be posted slotting by foundry loam not.
Seedling a leaf rob wholeheartedly the time fine day standardize post slotting.Post and drawn grid with marker at the furrow face before inserting, single then seedling is posted slotting, plan the length of time rice seedlings grow in 45 days with 3.3 * 3.3cm, length of time rice seedlings grow 45-50 days with 5 * 5cm; More than 50 days with 6.5 * 6.5cm.
Precision management.Post and insert the back and in the maintenance ditch water was arranged in one, two day, the furrow face is moistening, non-whitening, and no open fire is avoided deep water and is floated seedling and fall seedling.The shallow water that keeps 1-2cm behind the upright seedling, post insert back five days every mu execute light urine water 1000kg or urea 5kg, tri-leaf period, mu was executed the short fetilizer for tillering of urea 10kg, the preceding 5 days mu of pulling up seedlings is executed urea 8kg and is sent and transfer fertilizer.Reach standard transplanting land for growing field crops in strong sprout.
Field period is carried out the optimization of C fertilising.In go up fertility level mu and execute 1500～2000 kilograms in semi supplied manure, pure N8～10 kilogram, P
2O
53～4 kilograms, K
2The O2 kilogram, the Zn1 kilogram makes the fertility element reasonable mixture ratio that applies, and the nutrient comprehensive coordinate is beneficial to individual and the healthy and strong growth of colony.Fertilizing time: except that plain 70% base of N was executed, the whole bases of all the other key elements were executed; It is early suitable to topdress, with N plain 30% 7～10 days combination intertill and clean tillage deep placements after rice transplanting.It is main that ear manuer is used with top dressing, and the big fringe of short fringe is heavy.
Duty is watered light irrigation and is sent out short morning, early reaches seedling, early dry field.The total stem number of mu reaches 200,000 beginning dry fields, and the dry field time was grasped before June 25, in order to the control ineffective tillering, improves rate of tillering panicle.Rehydration before July 5 prevents that rehydration is slow, influences ear differentiation.And strengthen technical measures such as the extermination of disease and insect pest and improve output.
2. according to ground, the little ground of a kind of mountain area paddy rice in the claim 1 seedling-cultivation technique, it is characterized in that, during the seedling of pond, ground, select the high yield fine of suitable local plantation for use, basked seeds before the seed soaking 1-2 days, soaked seed then 48-52 hour, carry out high temperature vernalization, sowing again.
3. according to pond, little ground of paddy rice, a kind of mountain area seedling-cultivation technique in the claim 1; It is characterized in that; At the 28-4 month in March 8 seeding and seedling raising, Di Chi lower berth, ground layer of fine sand, the loam of soil ten farmyard manures that upper berth one deck 4-5cm is thick 1: 1; Cover loam 0.5cm after evenly sowing seeds again, take shed and cover plastic sheeting for farm use insulation and grow seedlings.
4. according to pond, little ground of paddy rice, a kind of mountain area seedling-cultivation technique in the claim 1; It is characterized in that; Take off film refining seedling wholeheartedly the time when seedling one leaf, improve resistance, then individual plant according to plan the 3.3x3.3cm of the length of time rice seedlings grow below 45 days post slotting; The 45-50 days length of time rice seedlings grow post by 5x5cm that to insert posting with 6.5x6.5cm of length of time rice seedlings grow more than 50 days slotting, cultivate transplanting land for growing field crops in strong sprout.
5. according to pond, little ground of paddy rice, a kind of mountain area seedling-cultivation technique in the claim 1, it is characterized in that purebred field period is implemented the formulation optimization fertilising, duty is watered the short enough seedlings of early sending out early of light irrigation, and early dry field control seedling accomplishes that seedling arrives when not waiting, the time arrive the dry field measure that does not wait seedling.That field with a total tiller 200,000 or time has come to June 25 immediately sunbaked control ineffective tillers increased spike rate of yield.
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| CN106538316A (en) * | 2015-09-18 | 2017-03-29 | 马晓丽 | A kind of paddy rice simply heats method of raising seedling |
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| CN111034561A (en) * | 2019-12-11 | 2020-04-21 | 青岛九天智慧农业集团有限公司 | Seedling raising method for planting rice in saline-alkali soil |
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| CN104996247A (en) * | 2015-07-15 | 2015-10-28 | 广西宏华生物实业股份有限公司 | All-weather ecological seedling system |
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