CN105493950B - A kind of machine-transplanted rice seedling raising method and its application - Google Patents

A kind of machine-transplanted rice seedling raising method and its application Download PDF

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CN105493950B
CN105493950B CN201510996071.6A CN201510996071A CN105493950B CN 105493950 B CN105493950 B CN 105493950B CN 201510996071 A CN201510996071 A CN 201510996071A CN 105493950 B CN105493950 B CN 105493950B
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seed
seedling
rice
seedling raising
machine
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CN105493950A (en
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梁天锋
郝向阳
覃丽玲
江立庚
唐茂艳
张晓丽
王强
陈雷
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Rice Research Institute Guangxi Academy Of Agricultural Sciences
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Rice Research Institute Guangxi Academy Of Agricultural Sciences
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G24/00Growth substrates; Culture media; Apparatus or methods therefor
    • 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
    • A01G9/0299Handling or transporting of soil blocks or seedlings

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Soil Sciences (AREA)
  • Cultivation Of Plants (AREA)
  • Fertilizers (AREA)
  • Pretreatment Of Seeds And Plants (AREA)

Abstract

The present invention provides a kind of machine-transplanted rice seedling raising method, the raising rice seedlings technology being related in agricultural technology field.This method include seedling raising ground substance prepare, seed treatment and vernalization, sowing, seedling in solarium.Beneficial effects of the present invention: prepared seedling raising ground substance physicochemical character is good, and nutrition is comprehensive, and nutrient content is sufficient, and bulk density is smaller, and porosity is big, and pH value is faintly acid, and conductivity is moderate.The rice shoot cultivated using this method is healthy and strong, and stem foot is thick, leaf age, and SPAD value, leaf area, overground part dry weight, root of hair ability, root system disk knot power etc. are better than the rice shoot that the prior art cultivates.The method of raising seedling is conducive to machine-transplanted rice growth and development and the raising of yield, is especially suitable for double cropping of rice mechanization seedling, can be used as industrial sprout cultivation method, and paddy seeds emergence is taken root fastly, and planting percent is high, and pest and disease damage significantly reduces, and yield can effectively improve.

Description

A kind of machine-transplanted rice seedling raising method and its application
[technical field]
The present invention relates to the raising rice seedlings technologies in agricultural technology field, and in particular to a kind of machine-transplanted rice seedling raising method and It is applied.
[background technique]
The production of rice in Guangxi province entire mechanization is in a starting stage, and industrial sprout cultivation also has just emerged, seedling base The sustainable supply of matter is the premise for greatly developing industrial sprout cultivation.In recent years about rice growth and yield influence still It is concentrated mainly on the planting types such as slotting artificial hand, rice transplanting, live streaming, the research about machine-transplanted rice is also very few, this research topic The problem that native hardly possible is taken first against seedling, is explored by raw materials such as the filter mud of sugarcane, manioc waste, mushroom bran of Guangxi abundance and is researched and developed Educate the sustainable seedling raising ground substance of localization of Transplanting pattern in suitable locality.
Seedling raising ground substance used by upper existing seedling-cultivation technique is produced at present still based on Nutrition Soil.Such as dry rice seedling Tian Yuyi The area ratio for planting field is 1: 100, and dry rice seedling field needs soil with 24kg/m2It calculates, the area of rice in Guangxi province transplanting in 2012 is 26.4 ten thousand hectares are developed to, then needing to take away the topsoil soils of nearly 0.32 ten thousand hectares of arable lands 20cm, raising rice seedlings take native hardly possible Problem becomes increasingly conspicuous, and therefore destruction that topsoil soils are subject to can be increasing with increasing sharply for machine transplanting of rice area.Therefore, needle The problem of native hardly possible is taken to seedling, this studies raw materials and the rice fields such as filter mud of sugarcane, manioc waste, the mushroom bran of pre-pass Guangxi abundance Soil mixes in certain proportion, explores the sustainable seedling raising ground substance of localization researched and developed and locality is suitble to educate Transplanting pattern, with largely full The needs of sufficient Rice Cropping rich and influential family and seedling factory.
It is shown according to the data of Guangxi statistics bureau, 2012, Guangxi cassava cultivated area has 231.2 thousand hectares, and yield reaches To 181.31 ten thousand tons.General alcohol 7~8 tons of cassavas of station-service can produce one ton 95% of industrial alcohol, can generate 10 tons or so Wet manioc waste, pH value of the manioc waste after Composting treatment is about 4.0~5.0, for acidity, can achieve rice shoot to weak acid ring The requirement in border.10,000 tons of sugarcanes of every squeezing obtain 300~500 tons of wet filter mud, and 2012, Guangxi sugarcane acreage was 1128.0 Thousand hectares, sugarcane yield reaches 7829.71 ten thousand tons, can produce about 234.89~391.49 ten thousand tons of wet filter muds, and in filter mud Nutrient is able to satisfy requirement of the rice shoot to nutrient.Using filter mud of sugarcane and manioc waste as primary raw material, by with paddy soils with certain Ratio mixes development and production rice seedling raising ground substance, has feasibility and sustainability.
[summary of the invention]
For traditional machine transplanting of rice rice seedling educate method there are the shortcomings that, the present invention provides a kind of suitable rice mechanization seedling disk and educates The method of seedling, this method include seedling raising ground substance prepare, seed treatment and vernalization, sowing, seedling in solarium, it is prepared Seedling raising ground substance nutrition is comprehensive, which is particularly suitable for double cropping of rice mechanization seedling, and fast, planting percent is taken root in paddy seeds emergence High, rice shoot stalwartness, pest and disease damage significantly reduce, and yield can effectively improve.
What the object of the invention was achieved through the following technical solutions: a kind of machine-transplanted rice seedling raising method, comprising the following steps:
1) seedling raising ground substance prepare: base starting material is made by following volumes number: 10 parts of paddy soils, 40 parts of filter mud of sugarcane, 25 parts of manioc waste, 15 parts of mushroom bran, 10 parts of organic fertilizer;Preparation process are as follows: first distinguish filter mud of sugarcane, manioc waste, mushroom bran, organic fertilizer Stack retting is decomposed, then crosses 40 mesh screens, and extracting screen underflow is spare, and paddy soils crushed 40 mesh screens after air-drying, and extracting screen underflow is spare, It measures above each raw material by volume parts, is uniformly mixed to obtain the final product;
2) bask seeds: previous weekly selection fine day of soaking seed shines seed 6~8 hours;Seed selection: it is chosen seeds with clear water, what is kept afloat Not plump paddy is pulled out, and full seed rice is selected;Seed soaking: after using Medicament soaked seed, clear water to soak seed 6 hours, then medicament disinfecting seed soaking 6 is carried out Hour, seed is cleaned after sterilization, then is impregnated with clear water, early rice is soaked seed 36~48 hours, and late rice is soaked seed 24~36 hours;It urges Bud: germination temperature is 30~35 DEG C, and the time is 20~24 hours;
3) after seed shows money or valuables one carries unintentionally, weighing is dried, is prepared by every piece of seedling disk sowing 150g bud paddy;
4) then seedling-cultivation plate middle berth is uniformly sowed the seed weighed up in every piece of seedling disk with a thickness of 2cm seedling raising ground substance, Then the lid seed soil of one layer of about 0.5cm is repaved;
5) it is put in seedling in solarium, because summer intensity of illumination is big, heavy rainfall is frequent, so after planting 3 to 5 days use sunshade net The empty anti-storm day of frame shines, daily each watering 1 time sooner or later;
6) in solarium seedling 25~28 days can seedling, transplanted with machine transplanting of rice mode in crop field.
Preferably, during seedling raising ground substance prepares, raw material filter mud of sugarcane, manioc waste, mushroom bran, the water content of paddy soils are respectively less than 10%.
Preferably, it soaks seed described in step 2), using the method for " day soaks night dew ", i.e. seed soaking on daytime, night is pulled out and spread out. Seed soaking bactericidal agent used is strong chlorine oil, and concentration is 300~500 times of liquid.
Preferably, for seedling-cultivation plate using plastic material, specification is 58cm × 28cm × 2.5cm.It can certainly be used His material or other specifications seedling-cultivation plates.
Preferably, the organic fertilizer is prepared by the raw material of following weight percent: chicken manure 25%, pig manure 32%, silkworm Excrement 15%, plant ash 15%, stalk 10%, EM bacterium stoste 3%;The preparation method comprises the following steps: stalk is ground into the powder less than 0.5cm End is mixed well with chicken manure, pig manure, silkworm faeces, plant ash, and EM bacterium stoste is diluted 5 times, is sprayed, is made with the EM bacterium solution after dilution Mixed raw material moisture reaches 30~40%, and cock heap, covers film thermal insulating, ferments 20 days, dries to obtain the final product.
It is fermented, is made in product containing bioactivity needed for a large amount of plant growths, breeding using EM bacterium leavening agent Substance, to germination, take root, disease and insect resistance has very good facilitation, diseases and pests of agronomic crop is substantially reduced, reduce agriculture Medicine usage amount.Also, fermentation energy is carried out with EM bacterium to degrade by the disinfect pathogen having originally in raw material kill, by noxious material, Its toxicity can be substantially reduced cannot degrade, so that it can be used as plant growth breeding raw material.
Mushroom bran is that edible mushroom substituting stuff cultivation is carried out using raw materials such as stalk, sawdusts, the culture medium residue after harvest, custom Claim edible fungus culturing waste material, bacteria residue or clout;It is hypha of edible fungus residuum and is digested through edible mushroom, the thick fibre of qualitative change occurs for structure The compound of the ingredients such as dimension.The mushroom bran for cultivating edible mushroom, is good organic fertilizer, and Japanese is already described as " super heap Fertilizer ".The infusibility macromolecular compound as contained by the agricultural and sideline products such as stalk becomes simple solable matter by mycelium decomposition, because And the nutrient being absorbed and utilized by crops can be effectively improved.According to surveying and determination, the discarded compost content of organic matter after supporting mushroom is high It is 3 times of straw directly returning to field up to 30% or more, nitrogen content 1.5~1.8% is higher than freshly-slaughtered poultry excrement.Using these wastes, lead to Microbial fermentation technology is crossed, a kind of novel and multifunctional biological organic fertilizer is processed into, not only there are apparent economic benefits, also have Apparent ecology and environmental protection effect.It, can be further after being mixed with other raw materials using mushroom bran as the raw material of rice seedling raising ground substance The physicochemical property for improving seedling raising ground substance increases the content of organic matter of seedling raising ground substance, promotes the formation and conversion of granule group, improves Matrix water retention property and soil fertility promote crops erosion resistance and volume increase.Being excessively used for chemical fertilizer can be reduced simultaneously to draw Play many negative effects, such as soil property pollution, environmental pollution.
Organic fertilizer, China are also known as farmyard manure.Its feature has raw material sources wide, and quantity is big;Nutrient is complete, and content is low;Fertilizer efficiency is slow And grow, it must could be absorbed by plant after microorganism decomposition converts;Soil building effect is good.Common natural manure kind has Green manure night soil, barnyard manure, compost, is made compost, biogas manure and sludge and refuse etc..So organic fertilizer used in the present invention can also It is prepared using above-mentioned raw materials or other raw materials, traditional handicraft or other methods can be used in preparation method.
Filter mud of sugarcane, manioc waste are the peculiar raw material in Guangxi.
Filter mud of sugarcane in its mesostroma, manioc waste, nutrient is enough nutrient needed for supplying rice shoot in mushroom bran, can not during seedling With other fertilising.
The present invention can apply in double cropping of rice mechanization seedling, can be used for other seed seedling-raisings, in cuttage and seedling culture, Obtain good effect.
Machine-transplanted rice seedling raising method provided by the invention has the advantage that
1, seedling raising ground substance physicochemical character used is good, and nutrition is comprehensive, and nutrient content is sufficient, and bulk density is smaller, and porosity is big, pH Value is faintly acid, and conductivity is moderate.
2, the rice shoot cultivated using this method is healthy and strong, and stem foot is thick, leaf age, SPAD value, leaf area, overground part dry weight, Root of hair ability, root system disk knot power etc. are better than the rice shoot that the prior art cultivates.
3, the method for raising seedling is conducive to machine-transplanted rice growth and development and the raising of yield.
4, the method for raising seedling is especially suitable for double cropping of rice mechanization seedling, can be used as industrial sprout cultivation method, paddy seeds go out Seedling is taken root fastly, and planting percent is high, and pest and disease damage significantly reduces, and can effectively improve yield.
[specific embodiment]
The following examples can help those skilled in the art that the present invention is more fully understood, but cannot be with any Mode limits the present invention.
Embodiment 1
A kind of machine-transplanted rice seedling raising method, comprising the following steps:
1) seedling raising ground substance prepare: base starting material is made by following volumes number: 10 parts of paddy soils, 40 parts of filter mud of sugarcane, 25 parts of manioc waste, 15 parts of mushroom bran, 10 parts of organic fertilizer;Preparation process are as follows: first distinguish filter mud of sugarcane, manioc waste, mushroom bran, organic fertilizer Stack retting is decomposed, then crosses 40 mesh screens, and extracting screen underflow is spare, and paddy soils crushed 40 mesh screens after air-drying, and extracting screen underflow is spare, It measures above each raw material by volume parts, is uniformly mixed to obtain the final product;Wherein organic fertilizer by following weight percent raw material preparation and At: chicken manure 25%, pig manure 32%, silkworm faeces 15%, plant ash 15%, stalk 10%, EM bacterium stoste 3%;The preparation method comprises the following steps: by straw Stalk is ground into the powder less than 0.5cm, mixes well with chicken manure, pig manure, silkworm faeces, plant ash, and EM bacterium stoste is diluted 5 times, is used EM bacterium solution sprinkling after dilution, makes mixed raw material moisture reach 30~32%, and cock heap, covers film thermal insulating, hair It ferment 15 days, dries to obtain the final product.
2) bask seeds: previous weekly selection fine day of soaking seed shines seed 6~8 hours;Seed selection: it is chosen seeds with clear water, what is kept afloat Not plump paddy is pulled out, and full seed rice is selected;Seed soaking: seed soaking pulls booth out using the method for " day soaks night dew ", i.e. seed soaking on daytime, night It opens, uses concentration for 300 times of liquid strong chlorine oil solution seed soakings, after first clear water is soaked seed 6 hours, then carry out medicament disinfecting and soak seed 6 hours, Seed is cleaned after sterilization, then is impregnated with clear water, early rice is soaked seed 36~48 hours, and late rice is soaked seed 24~36 hours;Vernalization: vernalization Temperature is 30~35 DEG C, and the time is 20~24 hours;
3) after seed shows money or valuables one carries unintentionally, weighing is dried, is prepared by every piece of seedling disk sowing 150g bud paddy;
4) then seedling-cultivation plate middle berth is uniformly sowed the seed weighed up in every piece of seedling disk with a thickness of 2cm seedling raising ground substance, Then the lid seed soil of one layer of about 0.5cm is repaved, for seedling-cultivation plate using plastic material, specification is 58cm × 28cm × 2.5cm;
5) it is put in seedling in solarium, because summer intensity of illumination is big, heavy rainfall is frequent, so after planting the 3rd day uses sunshade net The empty anti-storm day of frame shines, daily each watering 1 time sooner or later;
6) in solarium seedling 26 days can seedling, with machine transplanting of rice mode transplant in crop field, matrix filter mud of sugarcane, manioc waste, Nutrient is enough nutrient needed for supplying rice shoot in mushroom bran, and in addition fertilising is not had to during seedling.
Embodiment 2
A kind of machine-transplanted rice seedling raising method, comprising the following steps:
1) seedling raising ground substance prepare: base starting material is made by following volumes number: 10 parts of paddy soils, 40 parts of filter mud of sugarcane, 25 parts of manioc waste, 15 parts of mushroom bran, 10 parts of organic fertilizer;Preparation process are as follows: first distinguish filter mud of sugarcane, manioc waste, mushroom bran, organic fertilizer Stack retting is decomposed, then crosses 40 mesh screens, and extracting screen underflow is spare, and paddy soils crushed 40 mesh screens after air-drying, and extracting screen underflow is spare, It measures above each raw material by volume parts, is uniformly mixed to obtain the final product;Organic fertilizer is prepared by the raw material of following weight percent: chicken Excrement 25%, pig manure 32%, silkworm faeces 15%, plant ash 15%, stalk 10%, EM bacterium stoste 3%;The preparation method comprises the following steps: by straw powder It is broken into the powder less than 0.5cm, is mixed well with chicken manure, pig manure, silkworm faeces, plant ash, EM bacterium stoste is diluted 5 times, with dilution EM bacterium solution sprinkling afterwards, makes mixed raw material moisture reach 34~36%, and cock heap, covers film thermal insulating, fermentation 20 It, dries to obtain the final product;
2) bask seeds: previous weekly selection fine day of soaking seed shines seed 6~8 hours;Seed selection: it is chosen seeds with clear water, what is kept afloat Not plump paddy is pulled out, and full seed rice is selected;Seed soaking: seed soaking pulls booth out using the method for " day soaks night dew ", i.e. seed soaking on daytime, night It opens, uses concentration for 400 times of liquid strong chlorine oil solution seed soakings, after first clear water is soaked seed 6 hours, then carry out medicament disinfecting and soak seed 6 hours, Seed is cleaned after sterilization, then is impregnated with clear water, early rice is soaked seed 36~48 hours, and late rice is soaked seed 24~36 hours;Vernalization: vernalization Temperature is 30~35 DEG C, and the time is 20~24 hours;
3) after seed shows money or valuables one carries unintentionally, weighing is dried, is prepared by every piece of seedling disk sowing 150g bud paddy;
4) then seedling-cultivation plate middle berth is uniformly sowed the seed weighed up in every piece of seedling disk with a thickness of 2cm seedling raising ground substance, Then the lid seed soil of one layer of about 0.5cm is repaved, for seedling-cultivation plate using plastic material, specification is 58cm × 28cm × 2.5cm;
5) it is put in seedling in solarium, because summer intensity of illumination is big, heavy rainfall is frequent, so after planting the 4th day uses sunshade net The empty anti-storm day of frame shines, daily each watering 1 time sooner or later;
6) in solarium seedling 26 days can seedling, with machine transplanting of rice mode transplant in crop field, matrix filter mud of sugarcane, manioc waste, Nutrient is enough nutrient needed for supplying rice shoot in mushroom bran, and in addition fertilising is not had to during seedling.
Embodiment 3
A kind of machine-transplanted rice seedling raising method, comprising the following steps:
1) seedling raising ground substance prepare: base starting material is made by following volumes number: 10 parts of paddy soils, 40 parts of filter mud of sugarcane, 25 parts of manioc waste, 15 parts of mushroom bran, 10 parts of organic fertilizer;Preparation process are as follows: first by filter mud of sugarcane, manioc waste, mushroom bran, organic fertilizer stack retting It is decomposed, 40 mesh screens are then crossed, extracting screen underflow is spare, and paddy soils crushed 40 mesh screens after air-drying, and extracting screen underflow is spare, by body Product number measures above each raw material, is uniformly mixed to obtain the final product;Organic fertilizer is prepared by the raw material of following weight percent: chicken manure 25%, pig manure 32%, silkworm faeces 15%, plant ash 15%, stalk 10%, EM bacterium stoste 3%;The preparation method comprises the following steps: stalk is crushed It at the powder for being less than 0.5cm, is mixed well with chicken manure, pig manure, silkworm faeces, plant ash, EM bacterium stoste is diluted 5 times, after dilution EM bacterium solution sprinkling, so that mixed raw material moisture is reached 38~40%, cock heap, cover film thermal insulating, ferment 20 days, It dries to obtain the final product;
2) bask seeds: previous weekly selection fine day of soaking seed shines seed 6~8 hours;Seed selection: it is chosen seeds with clear water, what is kept afloat Not plump paddy is pulled out, and full seed rice is selected;Seed soaking: seed soaking pulls booth out using the method for " day soaks night dew ", i.e. seed soaking on daytime, night It opens, uses concentration for 500 times of liquid strong chlorine oil solution seed soakings, after first clear water is soaked seed 6 hours, then carry out medicament disinfecting and soak seed 6 hours, Seed is cleaned after sterilization, then is impregnated with clear water, early rice is soaked seed 36~48 hours, and late rice is soaked seed 24~36 hours;Vernalization: vernalization Temperature is 30~35 DEG C, and the time is 20~24 hours;
3) after seed shows money or valuables one carries unintentionally, weighing is dried, is prepared by every piece of seedling disk sowing 150g bud paddy;
4) then seedling-cultivation plate middle berth is uniformly sowed the seed weighed up in every piece of seedling disk with a thickness of 2cm seedling raising ground substance, Then the lid seed soil of one layer of about 0.5cm is repaved, for seedling-cultivation plate using plastic material, specification is 58cm × 28cm × 2.5cm;
5) it is put in seedling in solarium, because summer intensity of illumination is big, heavy rainfall is frequent, so after planting the 5th day uses sunshade net The empty anti-storm day of frame shines, daily each watering 1 time sooner or later;
6) in solarium seedling 26 days can seedling, with machine transplanting of rice mode transplant in crop field, matrix filter mud of sugarcane, manioc waste, Nutrient is enough nutrient needed for supplying rice shoot in mushroom bran, and in addition fertilising is not had to during seedling.
The rice shoot that above-described embodiment 1 to 3 cultivates is transplanted into crop field with machine transplanting of rice mode respectively, and carries out corresponding mark, Yield is carried out after this season harvest rice, pesticide transplants number with the rice shoot cultivated with existing common method of raising seedling Comparison, the result is as follows:
Early rice test result:
Late rice test result:
Although above the present invention is described in detail with a general description of the specific embodiments, On the basis of the present invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Cause This, these modifications or improvements, fall within the scope of the claimed invention without departing from theon the basis of the spirit of the present invention.

Claims (6)

1. a kind of machine-transplanted rice seedling raising method, which is characterized in that the described method comprises the following steps:
1) seedling raising ground substance prepares: base starting material being made by following volumes number: 10 parts of paddy soils, 40 parts of filter mud of sugarcane, cassava 25 parts of slag, 15 parts of mushroom bran, 10 parts of organic fertilizer;Preparation process are as follows: filter mud of sugarcane, manioc waste, mushroom bran, organic fertilizer are first distinguished into stack retting It is decomposed, 40 mesh screens are then crossed, extracting screen underflow is spare, and paddy soils crushed 40 mesh screens after air-drying, and extracting screen underflow is spare, by body Product number measures above each raw material, is uniformly mixed to obtain the final product;
2) bask seeds: previous weekly selection fine day of soaking seed shines seed 6~8 hours;Seed selection: it is chosen seeds with clear water, the not plump paddy kept afloat It pulls out, selects full seed rice;Seed soaking: after using Medicament soaked seed, clear water to soak seed 6 hours, then to carry out medicament disinfecting seed soaking 6 small When, seed is cleaned after sterilization, then is impregnated with clear water, early rice is soaked seed 36~48 hours, and late rice is soaked seed 24~36 hours;Vernalization: Germination temperature is 30~35 DEG C, and the time is 20~24 hours;
3) after seed shows money or valuables one carries unintentionally, weighing is dried, is prepared by every piece of seedling disk sowing 150g bud paddy;
4) then seedling disk middle berth is uniformly sowed the seed weighed up in every piece of seedling disk, then again with a thickness of 2cm seedling raising ground substance The lid seed soil of one layer of about 0.5cm of paving;
5) be put in seedling in solarium, because summer intensity of illumination is big, heavy rainfall is frequent, so after planting 3 to 5 days with sunshade net sky frame Anti- storm day shines, daily each watering 1 time sooner or later;
6) in solarium seedling 25~28 days can seedling, transplanted with machine transplanting of rice mode in crop field;
Filter mud of sugarcane in matrix, manioc waste, nutrient is enough nutrient needed for supplying rice shoot in mushroom bran, does not have in addition apply during seedling Fertilizer;
The organic fertilizer is prepared by the raw material of following weight percent: chicken manure 25%, pig manure 32%, silkworm faeces 15%, vegetation Grey 15%, stalk 10%, EM bacterium stoste 3%;The preparation method comprises the following steps: stalk is ground into the powder less than 0.5cm, with chicken manure, pig Excrement, silkworm faeces, plant ash mix well, and EM bacterium stoste is diluted 5 times, is sprayed with the EM bacterium solution after dilution, makes mixed raw material Moisture reaches 30~40%, and cock heap, covers film thermal insulating, ferments 20 days, dries to obtain the final product.
2. a kind of machine-transplanted rice seedling raising method according to claim 1, which is characterized in that paddy soils in step 1), sweet Sugarcane filter mud, manioc waste, mushroom bran water content be respectively less than 10%.
3. a kind of machine-transplanted rice seedling raising method according to claim 1, which is characterized in that soak seed, adopt described in step 2) With the method for " day soaks night dew ", i.e. seed soaking on daytime, night is pulled out and spreads out.
4. a kind of machine-transplanted rice seedling raising method according to claim 1, which is characterized in that bactericidal agent used of soaking seed is Strong chlorine oil, concentration are 300~500 times of liquid.
5. a kind of machine-transplanted rice seedling raising method according to claim 1, which is characterized in that seedling disk uses plastic material, Specification is 58cm × 28cm × 2.5cm.
6. a kind of described in any item machine-transplanted rice seedling raising methods according to claim 1~5, which is characterized in that this method is double Application in season rice mechanization seedling.
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