CN105493950A - Method for raising seedlings of mechanical transplanting rice and application thereof - Google Patents
Method for raising seedlings of mechanical transplanting rice and application thereof Download PDFInfo
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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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
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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
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
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Abstract
The invention provides a method for raising seedlings of mechanical transplanting rice and relates to the technology of rice seedling raising in an agricultural technology field. The method comprises the steps of seedling raising substrate preparation, seed treatment, accelerating germination, seeding and seedling raising in a screen house. The method has the advantages that the physical and chemical properties of the prepared seedling raising substrate are good, the nutrition is comprehensive, the nutrient content is sufficient, the volume weight is small, the porosity is large, the value of pH is faintly acid, and the conductivity is moderate. Rice seedlings cultivated by utilizing the method are strong, stem bases are thick, the leaf age, the soil and plant analyzer development (SPAD) value, the leaf area, the shoot dry weight, the rooting ability and the root system winding force are better than that of the seedlings cultivated by the existing technology. The method for raising the seedlings is favorable for the growth and development of the mechanical transplanting rice and improvement of the yield, is particularly suitable for the mechanization seedling cultivation of double cropping rice and can be utilized as the method for industrial seedling cultivation. The seedling emergence and rooting of paddy seeds are quick, the emergency percentage is high, diseases and insect pests are reduced remarkably, and the yield can be improved effectively.
Description
[technical field]
The present invention relates to the raising rice seedlings technology in agricultural technology field, be specifically related to a kind of machine-transplanted rice seedling raising method and application thereof.
[background technology]
Rice in Guangxi province entire mechanization is produced and is in a starting stage, and industrial sprout cultivation also just rises, and the sustainable supply of seedling raising ground substance is the prerequisite greatly developing industrial sprout cultivation.Still mainly concentrate on that artificial hand is inserted about the impact of rice growth and output in recent years, on rice transplanting, the planting type such as live, research about machine-transplanted rice is also very few, first this research topic to fetch earth difficult problem for seedling, explores research and development be applicable to the sustainable seedling raising ground substance of localization that Transplanting pattern is educated in locality by the raw material such as filter mud of sugarcane, manioc waste, bacterium chaff of Guangxi abundance.
The seedling raising ground substance that in current production, existing seedling-cultivation technique adopts is still based on Nutrition Soil.Area ratio as dry rice seedling field and transplant field is 1: 100, and dry rice seedling field needs soil with 24kg/m
2calculate, the area of rice in Guangxi province transplanting in 2012 has developed into 26.4 ten thousand hectares, so need the topsoil soils taking nearly 0.32 ten thousand hectare of arable land 20cm away, the raising rice seedlings difficult problem that fetches earth becomes increasingly conspicuous, and the destruction that therefore topsoil soils is subject to can be increasing along with increasing sharply of machine transplanting of rice area.Therefore, the problem of the difficulty that fetches earth for seedling, this raw material such as filter mud of sugarcane, manioc waste, bacterium chaff studying pre-pass Guangxi abundance mixes in certain proportion with paddy soils, explore research and development and be applicable to the sustainable seedling raising ground substance of localization that Transplanting pattern is educated in locality, to meet the needs of Rice Cropping rich and influential family and seedling factory in a large number.
Data according to Guangxi statistics bureau show, 2012, and Guangxi cassava cultivated area has 231.2 thousand hectares, and output reaches 181.31 ten thousand tons.General Alcohol Plant can produce the industrial alcohol of a ton 95% with 7 ~ 8 tons of cassavas, can produce the wet manioc waste of about 10 tons, and the pH value of manioc waste after Composting treatment is about 4.0 ~ 5.0, is acidity, can reach the requirement of rice shoot to weakly acidic condition.Often squeeze 10,000 tons of sugarcanes, obtain wet filter mud 300 ~ 500 tons, 2012 years, Guangxi sugarcane acreage is 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 the nutrient in filter mud can meet the requirement of rice shoot to nutrient.With filter mud of sugarcane and manioc waste for primary raw material, by mixing development and production rice seedling raising ground substance in certain proportion with paddy soils, there is feasibility and sustainability.
[summary of the invention]
The shortcoming of method existence is educated for traditional machine transplanting of rice rice seedling, the invention provides a kind of method of applicable rice mechanization seedling-cultivation plate, the method comprises that seedling raising ground substance prepares, seed treatment and vernalization, sowing, the step such as seedling in solarium, prepared seedling raising ground substance comprehensive nutrition, this method of raising seedling is particularly suitable for double cropping rice mechanization seedling, and paddy seeds is emerged and taken root soon, and planting percent is high, rice shoot is healthy and strong, damage by disease and insect obviously reduces, and output can effectively improve.
The present invention seeks to be achieved through the following technical solutions: a kind of machine-transplanted rice seedling raising method, comprises the following steps:
1) seedling raising ground substance prepares: be made into by following volume parts by base starting material: paddy soils 10 parts, filter mud of sugarcane 40 parts, manioc waste 25 parts, bacterium chaff 15 parts, fertilizer 10 parts; Preparation process is: first by filter mud of sugarcane, manioc waste, bacterium chaff, fertilizer respectively stack retting become thoroughly decomposed, then cross 40 eye mesh screens, extracting screen underflow is for subsequent use, 40 eye mesh screens were pulverized after paddy soils is air-dry, extracting screen underflow is for subsequent use, and by volume number measures above each raw material, mixes and get final product;
2) bask seeds: seed shines 6 ~ 8 hours by last weekly selection fine day of soaking seed; Seed selection: with clear water seed selection, the not plump paddy of keeping afloat is pulled out, selects full seed rice; Seed soaking: adopt Medicament soaked seed, Seed soaking is after 6 hours, then carry out medicament disinfecting and soak seed 6 hours, after sterilization, seed is cleaned, then soak with clear water, early rice seed soaking 36 ~ 48 hours, late rice seed soaking 24 ~ 36 hours; Vernalization: germination temperature is 30 ~ 35 DEG C, the time is 20 ~ 24 hours;
3) after seed shows money or valuables one carries unintentionally, dry and weigh, prepare by every block seedling dish sowing 150g bud paddy;
4) seedling-cultivation plate middle berth thickness is the seedling raising ground substance of 2cm, is then evenly sowed by the seed weighed up in every block seedling dish, then repaves the lid seed soil that one deck is about 0.5cm;
5) be put in seedling in solarium, because intensity of illumination in summer is large, heavy showers frequent, so after planting 3 to 5 days shine with the anti-storm day of the empty frame of sunshade net, every day respectively waters 1 time sooner or later;
6) in solarium, seedling gets final product seedling in 25 ~ 28 days, transplants in land for growing field crops by machine transplanting of rice mode.
Preferably, during seedling raising ground substance prepares, the water content of raw material filter mud of sugarcane, manioc waste, bacterium chaff, paddy soils is all less than 10%.
Preferably, step 2) described in seed soaking, adopt the method for " day leaching night dew ", namely seed soaking on daytime, night pull out and spread out.Bactericidal agent used of soaking seed is strong chlorine oil, and concentration is 300 ~ 500 times of liquid.
Preferably, seedling-cultivation plate employing plastic material, specification is 58cm × 28cm × 2.5cm.Can certainly adopt other materials or other specifications seedling-cultivation plate.
Preferably, described fertilizer is prepared from by the raw material of following percentage by weight: chicken manure 25%, pig manure 32%, silkworm faeces 15%, ash 15%, stalk 10%, EM bacterium stoste 3%; Preparation method is: powder of straw is broken into the powder being less than 0.5cm, fully mix with chicken manure, pig manure, silkworm faeces, ash, EM bacterium stoste is diluted 5 times, spray with the EM bacterium liquid after dilution, make mixed raw material moisture reach 30 ~ 40%, cock, cover film is incubated, ferment 20 days, dry and get final product.
Use EM bacterium leavening agent to ferment, containing the bioactivator needed for a large amount of plant growth, breeding in obtained product, to seed sprouting, take root, disease and insect resistance has very good facilitation, diseases and pests of agronomic crop obviously reduces, and reduces Pesticide use amount.Further, with EM bacterium carry out fermentation energy by raw material originally with harmful levels of pathogens kill, noxious material degraded, even if can not degrade also can greatly reduce its toxicity, can be used as plant growth breeding raw material to make it.
Bacterium chaff utilizes the raw material such as stalk, wood chip to carry out edible mushroom substituting stuff cultivation, and the medium residue after results, is commonly called as edible fungus culturing waste material, bacterium slag or clout; The residual body of hypha of edible fungus and through edible mushroom enzymolysis, the compound of the compositions such as the raw fiber of structure generation qualitative change.Cultivating the bacterium chaff of edible mushroom, is good organic manure, and Japanese is described as a long time " super compost ".Contained by the agricultural byproducts such as stalk, infusibility macromolecular compound is become simple soluble substance by mycelium decomposition, thus can effectively improve the nutrient absorbed by crops.According to surveying and determination, support the discarded composts or fertilisers of cultivating content of organic matter after mushroom up to more than 30%, be 3 times of straw directly returning to field, nitrogen content 1.5 ~ 1.8%, higher than freshly-slaughtered poultry excrement.Utilize these discarded objects, by microbial fermentation technology, be processed into a kind of Multifunction biological organic fertilizer, not only there are obvious economic benefits, also there is significantly ecological and environmental protection effect.Using the raw material of bacterium chaff as rice seedling raising ground substance; after mixing with other raw materials; the physicochemical property of seedling raising ground substance can be improved further; increase the content of organic matter of seedling raising ground substance; promote formation and the conversion of granule group; improve matrix water retention property and soil fertility, promote crops erosion resistance and volume increase.The excessive use that simultaneously can reduce chemical fertilizer causes many negative effects, as soil property pollution, environmental pollution etc.
Fertilizer, China is also known as farmyard manure.Its feature has raw material sources wide, and quantity is large; Nutrient is complete, and content is low; Fertilizer efficiency is grown late, could must be absorbed after microbial decomposition transforms by plant; Soil building is effective.Conventional natural manure kind has green manure, night soil, barnyard manure, compost, makes compost, biogas manure and sludge and refuse etc.So the fertilizer used in the present invention also can use above-mentioned raw materials or the preparation of other raw materials, preparation method can adopt traditional handicraft or additive method.
Filter mud of sugarcane, manioc waste are the peculiar raw material in Guangxi.
In its mesostroma, in filter mud of sugarcane, manioc waste, bacterium chaff, nutrient is enough to nutrient needed for supply rice shoot, can apply fertilizer in addition during seedling.
The present invention can apply in double cropping rice mechanization seedling, also may be used for, in other seed seedling-raisings, cuttage and seedling culture, all obtaining good effect.
Machine-transplanted rice seedling raising method provided by the invention has following advantage:
1, seedling raising ground substance physicochemical character used is good, comprehensive nutrition, and nutrient content is sufficient, and unit weight is less, and porosity is large, and pH value is faintly acid, and electrical conductivity is moderate.
2, the rice shoot using the method to cultivate 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 dish knot power etc. are all better than the rice shoot that prior art cultivates.
3, this method of raising seedling is conducive to machine-transplanted rice and grows and the raising of output.
4, this method of raising seedling is especially applicable to double cropping rice mechanization seedling, can be used as industrial sprout cultivation method, and paddy seeds is emerged and taken root soon, and planting percent is high, and damage by disease and insect obviously reduces, and effectively can improve output.
[embodiment]
The following examples can help the present invention of those skilled in the art's comprehend, but cannot limit the present invention by any way.
Embodiment 1
A kind of machine-transplanted rice seedling raising method, comprises the following steps:
1) seedling raising ground substance prepares: be made into by following volume parts by base starting material: paddy soils 10 parts, filter mud of sugarcane 40 parts, manioc waste 25 parts, bacterium chaff 15 parts, fertilizer 10 parts; Preparation process is: first by filter mud of sugarcane, manioc waste, bacterium chaff, fertilizer respectively stack retting become thoroughly decomposed, then cross 40 eye mesh screens, extracting screen underflow is for subsequent use, 40 eye mesh screens were pulverized after paddy soils is air-dry, extracting screen underflow is for subsequent use, and by volume number measures above each raw material, mixes and get final product; Wherein fertilizer is prepared from by the raw material of following percentage by weight: chicken manure 25%, pig manure 32%, silkworm faeces 15%, ash 15%, stalk 10%, EM bacterium stoste 3%; Preparation method is: powder of straw is broken into the powder being less than 0.5cm, fully mix with chicken manure, pig manure, silkworm faeces, ash, EM bacterium stoste is diluted 5 times, spray with the EM bacterium liquid after dilution, make mixed raw material moisture reach 30 ~ 32%, cock, cover film is incubated, ferment 15 days, dry and get final product.
2) bask seeds: seed shines 6 ~ 8 hours by last weekly selection fine day of soaking seed; Seed selection: with clear water seed selection, the not plump paddy of keeping afloat is pulled out, selects full seed rice; Seed soaking: the method that seed soaking adopts " day leaching night dew ", namely seed soaking on daytime, night pull out and spread out, concentration is adopted to be 300 times of liquid strong chlorine oil solution seed soakings, first Seed soaking is after 6 hours, carry out medicament disinfecting again to soak seed 6 hours, after sterilization, seed is cleaned, then soak with clear water, early rice seed soaking 36 ~ 48 hours, late rice seed soaking 24 ~ 36 hours; Vernalization: germination temperature is 30 ~ 35 DEG C, the time is 20 ~ 24 hours;
3) after seed shows money or valuables one carries unintentionally, dry and weigh, prepare by every block seedling dish sowing 150g bud paddy;
4) seedling-cultivation plate middle berth thickness is the seedling raising ground substance of 2cm, is then evenly sowed by the seed weighed up in every block seedling dish, then repaves the lid seed soil that one deck is about 0.5cm, seedling-cultivation plate employing plastic material, and specification is 58cm × 28cm × 2.5cm;
5) be put in seedling in solarium, because intensity of illumination in summer is large, heavy showers frequent, so after planting the 3rd day shines with the anti-storm day of the empty frame of sunshade net, every day respectively waters 1 time sooner or later;
6) in solarium, seedling gets final product seedling in 26 days, transplants in land for growing field crops by machine transplanting of rice mode, and in matrix, in filter mud of sugarcane, manioc waste, bacterium chaff, nutrient is enough to nutrient needed for supply rice shoot, need not apply fertilizer in addition during seedling.
Embodiment 2
A kind of machine-transplanted rice seedling raising method, comprises the following steps:
1) seedling raising ground substance prepares: be made into by following volume parts by base starting material: paddy soils 10 parts, filter mud of sugarcane 40 parts, manioc waste 25 parts, bacterium chaff 15 parts, fertilizer 10 parts; Preparation process is: first by filter mud of sugarcane, manioc waste, bacterium chaff, fertilizer respectively stack retting become thoroughly decomposed, then cross 40 eye mesh screens, extracting screen underflow is for subsequent use, 40 eye mesh screens were pulverized after paddy soils is air-dry, extracting screen underflow is for subsequent use, and by volume number measures above each raw material, mixes and get final product; Fertilizer is prepared from by the raw material of following percentage by weight: chicken manure 25%, pig manure 32%, silkworm faeces 15%, ash 15%, stalk 10%, EM bacterium stoste 3%; Preparation method is: powder of straw is broken into the powder being less than 0.5cm, fully mix with chicken manure, pig manure, silkworm faeces, ash, EM bacterium stoste is diluted 5 times, spray with the EM bacterium liquid after dilution, make mixed raw material moisture reach 34 ~ 36%, cock, cover film is incubated, ferment 20 days, dry and get final product;
2) bask seeds: seed shines 6 ~ 8 hours by last weekly selection fine day of soaking seed; Seed selection: with clear water seed selection, the not plump paddy of keeping afloat is pulled out, selects full seed rice; Seed soaking: the method that seed soaking adopts " day leaching night dew ", namely seed soaking on daytime, night pull out and spread out, concentration is adopted to be 400 times of liquid strong chlorine oil solution seed soakings, first Seed soaking is after 6 hours, carry out medicament disinfecting again to soak seed 6 hours, after sterilization, seed is cleaned, then soak with clear water, early rice seed soaking 36 ~ 48 hours, late rice seed soaking 24 ~ 36 hours; Vernalization: germination temperature is 30 ~ 35 DEG C, the time is 20 ~ 24 hours;
3) after seed shows money or valuables one carries unintentionally, dry and weigh, prepare by every block seedling dish sowing 150g bud paddy;
4) seedling-cultivation plate middle berth thickness is the seedling raising ground substance of 2cm, is then evenly sowed by the seed weighed up in every block seedling dish, then repaves the lid seed soil that one deck is about 0.5cm, seedling-cultivation plate employing plastic material, and specification is 58cm × 28cm × 2.5cm;
5) be put in seedling in solarium, because intensity of illumination in summer is large, heavy showers frequent, so after planting the 4th day shines with the anti-storm day of the empty frame of sunshade net, every day respectively waters 1 time sooner or later;
6) in solarium, seedling gets final product seedling in 26 days, transplants in land for growing field crops by machine transplanting of rice mode, and in matrix, in filter mud of sugarcane, manioc waste, bacterium chaff, nutrient is enough to nutrient needed for supply rice shoot, need not apply fertilizer in addition during seedling.
Embodiment 3
A kind of machine-transplanted rice seedling raising method, comprises the following steps:
1) seedling raising ground substance prepares: be made into by following volume parts by base starting material: paddy soils 10 parts, filter mud of sugarcane 40 parts, manioc waste 25 parts, bacterium chaff 15 parts, fertilizer 10 parts; Preparation process is: first filter mud of sugarcane, manioc waste, bacterium chaff, fertilizer stack retting are become thoroughly decomposed, and then cross 40 eye mesh screens, extracting screen underflow is for subsequent use, 40 eye mesh screens were pulverized after paddy soils is air-dry, extracting screen underflow is for subsequent use, and by volume number measures above each raw material, mixes and get final product; Fertilizer is prepared from by the raw material of following percentage by weight: chicken manure 25%, pig manure 32%, silkworm faeces 15%, ash 15%, stalk 10%, EM bacterium stoste 3%; Preparation method is: powder of straw is broken into the powder being less than 0.5cm, fully mix with chicken manure, pig manure, silkworm faeces, ash, EM bacterium stoste is diluted 5 times, spray with the EM bacterium liquid after dilution, make mixed raw material moisture reach 38 ~ 40%, cock, cover film is incubated, ferment 20 days, dry and get final product;
2) bask seeds: seed shines 6 ~ 8 hours by last weekly selection fine day of soaking seed; Seed selection: with clear water seed selection, the not plump paddy of keeping afloat is pulled out, selects full seed rice; Seed soaking: the method that seed soaking adopts " day leaching night dew ", namely seed soaking on daytime, night pull out and spread out, concentration is adopted to be 500 times of liquid strong chlorine oil solution seed soakings, first Seed soaking is after 6 hours, carry out medicament disinfecting again to soak seed 6 hours, after sterilization, seed is cleaned, then soak with clear water, early rice seed soaking 36 ~ 48 hours, late rice seed soaking 24 ~ 36 hours; Vernalization: germination temperature is 30 ~ 35 DEG C, the time is 20 ~ 24 hours;
3) after seed shows money or valuables one carries unintentionally, dry and weigh, prepare by every block seedling dish sowing 150g bud paddy;
4) seedling-cultivation plate middle berth thickness is the seedling raising ground substance of 2cm, is then evenly sowed by the seed weighed up in every block seedling dish, then repaves the lid seed soil that one deck is about 0.5cm, seedling-cultivation plate employing plastic material, and specification is 58cm × 28cm × 2.5cm;
5) be put in seedling in solarium, because intensity of illumination in summer is large, heavy showers frequent, so after planting the 5th day shines with the anti-storm day of the empty frame of sunshade net, every day respectively waters 1 time sooner or later;
6) in solarium, seedling gets final product seedling in 26 days, transplants in land for growing field crops by machine transplanting of rice mode, and in matrix, in filter mud of sugarcane, manioc waste, bacterium chaff, nutrient is enough to nutrient needed for supply rice shoot, need not apply fertilizer in addition during seedling.
The rice shoot machine transplanting of rice mode cultivated by above-described embodiment 1 to 3 transplants land for growing field crops respectively, and carry out corresponding mark, carry out output after this season results paddy rice, agricultural chemicals makes number of times and the rice shoot cultivated with existing common method of raising seedling carry out transplanting compares, result is as following table:
Early rice result of the test:
Late rice result of the test:
Although above the present invention is described in detail with a general description of the specific embodiments, on basis of the present invention, can make some modifications or improvements it, this will be apparent to those skilled in the art.Therefore, these modifications or improvements without departing from theon the basis of the spirit of the present invention, all belong to the scope of protection of present invention.
Claims (8)
1. a machine-transplanted rice seedling raising method, is characterized in that, said method comprising the steps of:
1) seedling raising ground substance prepares: be made into by following volume parts by base starting material: paddy soils 10 parts, filter mud of sugarcane 40 parts, manioc waste 25 parts, bacterium chaff 15 parts, fertilizer 10 parts; Preparation process is: first by filter mud of sugarcane, manioc waste, bacterium chaff, fertilizer respectively stack retting become thoroughly decomposed, then cross 40 eye mesh screens, extracting screen underflow is for subsequent use, 40 eye mesh screens were pulverized after paddy soils is air-dry, extracting screen underflow is for subsequent use, and by volume number measures above each raw material, mixes and get final product;
2) bask seeds: seed shines 6 ~ 8 hours by last weekly selection fine day of soaking seed; Seed selection: with clear water seed selection, the not plump paddy of keeping afloat is pulled out, selects full seed rice; Seed soaking: adopt Medicament soaked seed, Seed soaking is after 6 hours, then carry out medicament disinfecting and soak seed 6 hours, after sterilization, seed is cleaned, then soak with clear water, early rice seed soaking 36 ~ 48 hours, late rice seed soaking 24 ~ 36 hours; Vernalization: germination temperature is 30 ~ 35 DEG C, the time is 20 ~ 24 hours;
3) after seed shows money or valuables one carries unintentionally, dry and weigh, prepare by every block seedling dish sowing 150g bud paddy;
4) seedling-cultivation plate middle berth thickness is the seedling raising ground substance of 2cm, is then evenly sowed by the seed weighed up in every block seedling dish, then repaves the lid seed soil that one deck is about 0.5cm;
5) be put in seedling in solarium, because intensity of illumination in summer is large, heavy showers frequent, so after planting 3 to 5 days shine with the anti-storm day of the empty frame of sunshade net, every day respectively waters 1 time sooner or later;
6) in solarium, seedling gets final product seedling in 25 ~ 28 days, transplants in land for growing field crops by machine transplanting of rice mode.
2. a kind of machine-transplanted rice seedling raising method according to claim 1, is characterized in that, step 1) in paddy soils, filter mud of sugarcane, manioc waste, bacterium chaff water content be all less than 10%.
3. a kind of machine-transplanted rice seedling raising method according to claim 1, is characterized in that, step 2) described in seed soaking, adopt the method for " day leaching night dew ", namely seed soaking on daytime, night pull out and spread out.
4. a kind of machine-transplanted rice seedling raising method according to claim 1, is characterized in that, bactericidal agent used of soaking seed is strong chlorine oil, and concentration is 300 ~ 500 times of liquid.
5. a kind of machine-transplanted rice seedling raising method according to claim 1, is characterized in that, in matrix, in filter mud of sugarcane, manioc waste, bacterium chaff, nutrient is enough to nutrient needed for supply rice shoot, need not apply fertilizer in addition during seedling.
6. a kind of machine-transplanted rice seedling raising method according to claim 1, is characterized in that, seedling-cultivation plate employing plastic material, specification is 58cm × 28cm × 2.5cm.
7. a kind of machine-transplanted rice seedling raising method according to claim 1, it is characterized in that, described fertilizer is prepared from by the raw material of following percentage by weight: chicken manure 25%, pig manure 32%, silkworm faeces 15%, ash 15%, stalk 10%, EM bacterium stoste 3%; Preparation method is: powder of straw is broken into the powder being less than 0.5cm, fully mix with chicken manure, pig manure, silkworm faeces, ash, EM bacterium stoste is diluted 5 times, spray with the EM bacterium liquid after dilution, make mixed raw material moisture reach 30 ~ 40%, cock, cover film is incubated, ferment 20 days, dry and get final product.
8. a kind of machine-transplanted rice seedling raising method described in any one of claim 1 ~ 7, is characterized in that: the application of the method in double cropping rice mechanization seedling.
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| CN108076724A (en) * | 2018-01-03 | 2018-05-29 | 余姚市农业技术推广服务总站 | The method of enhancing malicious ability resistance to bakanae disease of rice fungicide |
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