阅读说明：本技术 解决低积温带水稻机播种植的植物发酵提取物及其制备方法与应用 (Plant fermentation extract for solving low-accumulation-temperature rice machine-sowing planting problem and preparation method and application thereof ) 是由 苏华山 康子凡 苏孟梓 杜昕润 苏华亭 杜昕宇 苏华阳 蒋宇 康胜利 牛克平 苏 于 2021-01-29 设计创作，主要内容包括：本发明涉及水稻种植技术领域,特别公开了一种解决低积温带水稻机播种植的植物发酵提取物及其制备方法与应用。该植物发酵提取物,以水蛭素、贯众、地骨皮、芦根素、竹叶提取物、陈皮、红参、甘草、花粉、柴胡、椰蓉、沙棘、富锌酵母、硒酵母、乳香、没药为原料,按照一定的重量配比混合,经发酵、萃取、制粉制成。本发明原料易得,制备工艺简单,有效改善土壤结构,增加土壤中有效微生物数量和活性,提高土壤没含量,保温促早熟,提高水稻产量和品质,适于广泛推广应用。(The invention relates to the technical field of rice planting, and particularly discloses a plant fermentation extract for solving low-accumulation-temperature rice machine-sowing planting, and a preparation method and application thereof. The plant fermentation extract is prepared by taking hirudin, cyrtomium rhizome, cortex lycii radicis, reed rhizome extract, bamboo leaf extract, dried orange peel, red ginseng, liquorice, pollen, radix bupleuri, desiccated coconut, sea buckthorn, zinc-rich yeast, selenium yeast, frankincense and myrrh as raw materials, mixing the raw materials according to a certain weight ratio, and carrying out fermentation, extraction and pulverization on the mixture. The invention has the advantages of easily obtained raw materials and simple preparation process, effectively improves the soil structure, increases the number and activity of effective microorganisms in soil, improves the soil non-content, preserves heat, promotes prematurity, improves the yield and quality of rice, and is suitable for wide popularization and application.)

1. A plant fermentation extract for solving low-accumulation-temperature machine-sowing planting of paddy rice is characterized by being prepared from the following raw materials in parts by weight through fermentation, extraction and milling: 3-5 parts of hirudin, 20-25 parts of cyrtomium rhizome, 30-32 parts of cortex lycii radicis, 2-3 parts of reed rhizome element, 10-15 parts of bamboo leaf extract, 5-10 parts of dried orange peel, 1-3 parts of red ginseng, 15-20 parts of liquorice, 5-7 parts of pollen, 20-25 parts of radix bupleuri, 2-3 parts of desiccated coconut, 3-5 parts of sea buckthorn, 0.1-0.15 part of zinc-rich yeast, 0.2-0.25 part of selenium yeast, 0.2-0.3 part of frankincense and 0.15-0.25 part of myrrh.

2. A fermented plant extract according to claim 1, characterized in that: the feed is prepared from the following raw materials in parts by weight: 4 parts of hirudin, 22 parts of cyrtomium rhizome, 31 parts of cortex lycii radicis, 2.5 parts of reed rhizome element, 12 parts of bamboo leaf extract, 8 parts of dried orange peel, 2 parts of red ginseng, 18 parts of liquorice, 6 parts of pollen, 23 parts of radix bupleuri, 2.5 parts of desiccated coconut, 4 parts of sea-buckthorn, 0.12 part of zinc-enriched yeast, 0.22 part of selenium yeast, 0.25 part of frankincense and 0.2 part of myrrh.

3. The method for preparing fermented plant extract according to claim 1, comprising the steps of: (1) selecting the raw materials preferentially; (2) mixing and crushing the raw materials, and placing the mixture in a fermentation tank; (3) adding water into the fermentation tank, stirring, fermenting and aging at 43-47 deg.C for 25-27 days; (4) adding water into the fermentation tank, stirring, adjusting the viscosity of the fermentation material to 1.5-2.0 Pa.S, cooling, standing, filtering, and washing the filter residue with water; (5) and mixing the filtrate and the washing liquid, grinding, and spraying to prepare powder to obtain the product.

4. The method of claim 3, wherein: in the step (2), the raw materials are mixed and crushed and then screened by a 30-40-mesh sieve, wherein the zinc-rich yeast and the selenium-rich yeast are dissolved by deionized water and then added with water.

5. The method of claim 3, wherein: in the step (3), deionized water is added into the fermentation tank and stirred, and the addition amount of the deionized water is 3-3.5 times of the total weight of the raw materials.

6. The method of claim 3, wherein: and (4) adding deionized water into the fermentation tank, stirring, cooling to 13-17 ℃, standing for 36h, filtering by using a 80-100 sieve, and washing filter residues by using deionized water for 2-3 times.

7. The method of claim 3, wherein: in the step (5), the paste fluid with the fineness of 120-150 meshes is obtained by grinding twice through a colloid mill, and then spray milling is carried out at the temperature of 70-80 ℃ to prepare powder.

8. Use of a fermented plant extract according to claim 1, characterized in that: dissolving the plant fermentation extract in water, spraying the plant fermentation extract on rice seeds, soaking the seeds for accelerating germination to obtain rice sprouted grain, mechanically sowing the rice sprouted grain in a rice field, spraying the aqueous solution of the plant fermentation extract in the rice field after rice emergence, and then carrying out conventional management.

9. The use of claim 8, wherein: mixing the plant fermentation extract with water according to the weight ratio of 1g: preparing aqueous solution with the weight ratio of 250kg, spraying the aqueous solution on rice seeds, wherein the proportion of the plant fermentation extract to the rice seeds is 1g:500kg, uniformly spraying and stirring for 6 days, and then soaking seeds for accelerating germination according to a conventional method to obtain rice sprouts and cereals.

10. The use of claim 9, wherein: and when the rice seedlings emerge to 2-3cm higher than the ground, spraying the water solution of the plant fermentation extract into the rice field, wherein the spraying amount of the plant fermentation extract is 3 g/mu.

Technical Field

The invention relates to the technical field of rice planting, in particular to a plant fermentation extract for solving low-accumulation-temperature rice machine-sowing planting, and a preparation method and application thereof.

Background

Rice is one of the most important grain crops in China, has a very important influence on the agricultural development of China, and the latest investigation data proves that the planting area of the rice in China accounts for about 30% of the area of the grain crops, and the yield is close to half of the total yield of the grain. The known rice seedling transplanting and cultivating method is that the rice seedlings are cultivated in a greenhouse for 30-40 days in the last 4 months of spring, and the rice seedlings are transplanted from the greenhouse to the rice field for seedling transplanting and cultivating after the rice field is raked by water and in the period of 10-26 days in the spring 5 months.

The rice area of the northeast Heilongjiang province is the most northern rice area of China, the north latitude is 45-46 degrees, the growing period of the rice field is 115-130 days, and the annual accumulated temperature is 2600-2800 ℃; the area mainly plants and cultivates early-maturing rice, and the rice area in the south of Heilongjiang province is reluctant to plant and cultivate middle-maturing rice. Cold damage, low temperature and early frost in northeast are always main factors for restricting the production yield of rice.

In addition, because the spring temperature in the northeast is still very low, the temperature rise and the heat preservation are needed for early seedling culture, the labor investment for seedling culture is large, mechanical equipment is needed for assisting in seedling transplantation, and the planting cost is relatively high; in addition, the adverse environment causes the ecological imbalance of microorganisms in soil, thereby causing the root system of rice to be ill and rotten, the growth period to be prolonged, and even the rice is not yet starched and frosted to cause the dead yield of the rice. The yield of the rice in northeast China is about 550-; the income is obviously lower than the income of paddy rice in other areas, and is a serious problem which can not be solved by the prior art.

Disclosure of Invention

The invention provides a plant fermentation extract for solving the problem of low-accumulation-temperature rice machine seeding planting, a preparation method and application thereof, which are used for making up the defects of the prior art and have the advantages of heat preservation, corrosion prevention, early ripening promotion, soil environment improvement and production cost reduction.

The invention is realized by the following technical scheme:

a plant fermentation extract for solving low-accumulation-temperature machine-sowing planting of paddy rice is prepared by fermenting, extracting and pulverizing the following raw materials in parts by weight:

3-5 parts of hirudin, 20-25 parts of cyrtomium rhizome, 30-32 parts of cortex lycii radicis, 2-3 parts of reed rhizome element, 10-15 parts of bamboo leaf extract, 5-10 parts of dried orange peel, 1-3 parts of red ginseng, 15-20 parts of liquorice, 5-7 parts of pollen, 20-25 parts of radix bupleuri, 2-3 parts of desiccated coconut, 3-5 parts of sea buckthorn, 0.1-0.15 part of zinc-rich yeast, 0.2-0.25 part of selenium yeast, 0.2-0.3 part of frankincense and 0.15-0.25 part of myrrh.

The preferable weight ratio of the raw materials is as follows:

4 parts of hirudin, 22 parts of cyrtomium rhizome, 31 parts of cortex lycii radicis, 2.5 parts of reed rhizome element, 12 parts of bamboo leaf extract, 8 parts of dried orange peel, 2 parts of red ginseng, 18 parts of liquorice, 6 parts of pollen, 23 parts of radix bupleuri, 2.5 parts of desiccated coconut, 4 parts of sea-buckthorn, 0.12 part of zinc-enriched yeast, 0.22 part of selenium yeast, 0.25 part of frankincense and 0.2 part of myrrh.

According to the invention, according to the good ecological conditions required by the growth of rice and the auxiliary theory of interplant of botany, the mixture is extracted by adopting the fermentation of related plants, the soil for the survival of the rice root system is ecologically restored, the functions of detoxification and heat preservation are achieved, and simultaneously, the growth hormone of the extracted species can promote the propagation and root growth promotion of the rice root system, thereby solving the problem of machine sowing and planting in the alpine region.

In the invention, hirudin is a component which has the most obvious activity and most researches in various active components extracted from water and salivary glands thereof, is micromolecular protein consisting of 65-66 amino acids, has extremely strong inhibition effect on thrombin, and has various pharmacological actions such as anticoagulation, antithrombotic action, platelet aggregation inhibition, blood fat reduction, blood rheology improvement, tumor resistance and the like.

Rhizoma Osmundae mainly contains aspidin, tripteridol, xanthocerate, aspiconic acid, volatile oil, aspidin, etc., wherein aspiconic acid and xanthocerate have strong anthelmintic effect, strong toxicity to tapeworm, paralysis of tapeworm and expelling parasite such as hookworm and ascaris. Has the effects of clearing away heat and toxic material, cooling blood and stopping bleeding, and killing parasites when used as a medicine.

Cortex Lycii contains cinnamic acid, abundant phenols, betaine, virucide for regulating immunity, and tumor inhibitor, and has effects of clearing away deficiency heat, purging lung fire, and cooling blood.

Rhizoma Phragmitis contains abundant vitamins B1, B2, C, protein, fat, carbohydrate, asparagine, etc., and also contains amino acids, fatty acids, sterols, tocopherol, and polyalcohol such as caffeic acid and gentisic acid, etc.; has the effects of clearing heat, promoting fluid production, relieving restlessness, relieving vomit and promoting urination when being used as a medicine.

The folium Bambusae is dried stem and leaf of herba Lophatheri of Gramineae, contains flavone as main ingredient, and also contains volatile oil, triterpenes, phenolic acid, polysaccharide, amino acid, etc., has pharmacological activities of relieving fever, promoting urination, resisting tumor, etc., and can be used in fields of food health product, etc. besides medicine.

The pericarpium Citri Tangerinae contains volatile oil, hesperidin, vitamin B, vitamin C, etc., and the volatile oil has mild irritation effect on gastrointestinal tract, and has effects of promoting secretion of digestive juice, eliminating intestinal tract pneumatosis, and stimulating appetite. Has the effects of promoting qi circulation, invigorating spleen, eliminating dampness and phlegm, removing greasiness, retaining fragrance, lowering adverse qi and relieving vomit when being used as medicine.

The red ginseng is used for treating weakness and loss, cold limbs and slight pulse, qi failing to control blood, metrorrhagia and metrostaxis, heart failure and cardiogenic shock; the red ginseng is a cooked product of ginseng and has the effects of greatly tonifying primordial qi, recovering pulse, relieving depletion, benefiting qi and controlling blood.

The Glycyrrhrizae radix has effects of clearing heat and detoxicating, eliminating phlegm, relieving cough, relieving abdominal pain, resisting inflammation, resisting allergy, and harmonizing the effects of the above medicines,

The pollen is rich in amino acids, vitamin A, vitamin C, vitamin E, active substances, trace elements selenium, phospholipid, nucleic acid, etc. Can remove various pigment spots, and has the effects of regulating nervous system, promoting sleep, improving body constitution, improving gastrointestinal function, promoting digestion, stimulating appetite, and preventing and treating habitual constipation.

Bupleuri radix mainly contains saikosaponin, sterol, volatile oil (such as saikool and eugenol), fatty acid (such as oleic acid, linoleic acid, palmitic acid and stearic acid), polysaccharide, etc., and also contains flavone, polyalcohol, coumarin, and microelements; the medicine has the effects of expelling superficial evils, clearing heat, soothing liver, relieving depression and lifting yang qi.

The desiccated coconut is a mixture of shredded coconut and coconut powder, contains saccharide, fat, protein, vitamin B group, vitamin C, and trace elements such as potassium and magnesium, and has effects of invigorating spleen and stomach, killing insects, and eliminating malnutrition.

The sea-buckthorn contains active substances such as multiple vitamins, fatty acids, trace elements, linoleic acid, sea-buckthorn flavone, superoxide and the like and various amino acids required by a human body, wherein the content of vitamin C is extremely high, the cholesterol can be reduced, the sea-buckthorn is placed in angina pectoris, coronary atherosclerotic heart disease and the like are prevented, and the sea-buckthorn has the effects of relieving cough and reducing sputum, invigorating stomach and helping digestion, and promoting blood circulation and removing blood stasis when being used as a medicine.

The zinc content of the zinc-rich yeast reaches about 50000mg/kg, the absorption utilization rate of the yeast zinc is up to more than 70%, the zinc supplementing effect is 5-10 times of that of the traditional zinc supplementing preparation, and the side effect of inorganic zinc is eliminated.

Selenium yeast is an organic selenium preparation, has the advantages of high bioavailability, low toxicity, definite curative effect and the like, and has pharmacological effects of protecting the integrity of cell membranes, removing free radicals, accelerating the decomposition of lipid peroxides, resisting oxidation, enhancing the immune function of organisms, enhancing the cardiac muscle function and the like.

The Olibanum mainly contains resin, gum and volatile oil; the main components of the resin are free alpha, beta-boswellic acid, combined boswellic acid and boswellic resin hydrocarbon; the gum comprises calcium salt of arabonic acid, skin caring agent, and tragacanth as main ingredients; volatile oil such as Korean pinene, alpha, beta-phellandrene, etc.; has effects in promoting blood circulation, activating qi-flowing, relieving pain, eliminating swelling, and promoting granulation.

The myrrh contains 25-35% of resin, 2.5-9% of volatile oil, 57-65% of gum, and 3-4% of water and various impurities, and has the effects of dissipating blood stasis, relieving swelling and relieving pain.

The preparation method of the plant fermentation extract comprises the following steps:

(1) selecting the raw materials preferentially;

(2) mixing and crushing the raw materials, and placing the mixture in a fermentation tank;

(3) adding water into the fermentation tank, stirring, fermenting and aging at 43-47 deg.C for 25-27 days;

(4) adding water into the fermentation tank, stirring, adjusting the viscosity of the fermentation material to 1.5-2.0 Pa.S, cooling, standing, filtering, and washing the filter residue with water;

(5) and mixing the filtrate and the washing liquid, grinding, and spraying to prepare powder to obtain the product.

The invention adopts the extraction processes of medium-temperature fermentation, low-temperature extraction and medium-temperature milling, and extracts the effective components in the raw materials to ensure that the effective components are combined to act on rice seeds and soil, thereby improving the stress resistance of rice, generating phytohormone, providing a plant physical barrier, effectively reducing the invasion of pathogenic bacteria, increasing the yield and improving the quality.

Preferably, in the step (2), the raw materials are mixed and crushed and then sieved by a 30-40-mesh sieve, wherein the zinc-rich yeast and the selenium-rich yeast are dissolved by deionized water and then added with water.

Preferably, in the step (3), deionized water is added into the fermentation tank and stirred, and the addition amount of the deionized water is 3-3.5 times of the total weight of the raw materials.

Preferably, in the step (4), deionized water is added into the fermentation tank, stirred, cooled to 13-17 ℃, kept stand for 36 hours, filtered by a 80-100 sieve, and then the filter residue is washed by deionized water for 2-3 times.

Preferably, in the step (5), the paste fluid with the fineness of 120-150 meshes is obtained by grinding twice through a colloid mill, and then the paste fluid is sprayed at 70-80 ℃ to prepare powder.

The plant fermentation extract disclosed by the invention takes cyrtomium fortunei, cortex lycii radicis, occupational extract and liquorice as main raw materials, and is matched with zinc-rich yeast, selenium-rich yeast, reed rhizome element, frankincense, myrrh and hirudin to form an activity improvement flora, so that a large amount of amino acid, biological enzyme, fatty acid and the like extracted from the plant are converted into effective components of the activity flora, the action of photosynthetic flora, lactic acid flora, yeast flora, gram positive radiation flora and filamentous flora of a fermentation system in soil is improved in a targeted manner, the growth requirements of rice are met, the rice soil is improved, heat is preserved, and premature is promoted, the growth and development of rice roots are promoted, and the yield and the quality of the rice are greatly improved.

The application of the plant fermentation extract comprises the following steps: dissolving the plant fermentation extract in water, spraying the plant fermentation extract on rice seeds, soaking the seeds for accelerating germination to obtain rice sprouted grain, mechanically sowing the rice sprouted grain in a rice field, spraying the aqueous solution of the plant fermentation extract in the rice field after rice emergence, and then carrying out conventional management.

Preferably, the plant fermentation extract is mixed with water according to a ratio of 1g: preparing aqueous solution with the weight ratio of 250kg, spraying the aqueous solution on rice seeds, wherein the proportion of the plant fermentation extract to the rice seeds is 1g:500kg, uniformly spraying and stirring for 6 days, and then soaking seeds for accelerating germination according to a conventional method to obtain rice sprouts and cereals.

Preferably, when the rice seedlings emerge 2-3cm above the ground, spraying the water solution of the plant fermentation extract into the rice field, wherein the spraying amount of the plant fermentation extract is 3 g/mu.

The invention has the advantages of easily obtained raw materials and simple preparation process, effectively improves the soil structure, increases the number and activity of effective microorganisms in soil, improves the soil non-content, preserves heat, promotes prematurity, improves the yield and quality of rice, and is suitable for wide popularization and application.

Detailed Description

The technical solutions of the present invention are described in detail below with reference to specific examples to facilitate understanding of the present invention, but the present invention is not limited thereto.

Example 1: a plant fermentation extract for solving low accumulated temperature problem of machine sowing and planting in paddy rice is prepared by mixing the following raw materials in parts by weight:

3kg of hirudin, 20kg of cyrtomium rhizome, 30kg of cortex lycii radicis, 2kg of reed rhizome element, 10kg of bamboo leaf extract, 5kg of dried orange peel, 1kg of red ginseng, 15kg of liquorice, 5kg of pollen, 20kg of radix bupleuri, 2kg of desiccated coconut, 3kg of sea-buckthorn, 0.1kg of zinc-enriched yeast, 0.2kg of selenium yeast, 0.2kg of frankincense and 0.15kg of myrrh.

The preparation method of the plant fermentation extract comprises the following steps:

(1) selecting the raw materials preferentially;

(2) mixing and crushing the raw materials, sieving the mixture by a 30-mesh sieve, and placing the mixture into a fermentation tank, wherein the zinc-rich yeast and the selenium-rich yeast are dissolved by deionized water and then added with water;

(3) adding deionized water into a fermentation tank, stirring uniformly, wherein the addition amount of the deionized water is 3 times of the total weight of the raw materials, fermenting and aging at 43 ℃ for 27 days, and making the materials be in a mud paste state and accompanied with the smell of fermentation yeast;

(4) adding deionized water into a fermentation tank, stirring, adjusting the viscosity of the fermentation material to be 1.5 Pa.S, then cooling to 13 ℃, standing for 36h, filtering through a 80-mesh sieve, and washing filter residue with deionized water for 2 times;

(5) mixing the filtrate and the washing solution, grinding twice by a colloid mill to obtain pasty fluid with the fineness of 120 meshes, and then spraying at 70 ℃ to prepare powder to obtain the product.

Example 2: a plant fermentation extract for solving low accumulated temperature problem of machine sowing and planting in paddy rice is prepared by mixing the following raw materials in parts by weight:

5kg of hirudin, 25kg of cyrtomium rhizome, 32kg of cortex lycii radicis, 3kg of reed rhizome element, 15kg of bamboo leaf extract, 10kg of dried orange peel, 3kg of red ginseng, 20kg of liquorice, 7kg of pollen, 25kg of radix bupleuri, 3kg of desiccated coconut, 5kg of sea-buckthorn, 0.15kg of zinc-enriched yeast, 0.25kg of selenium yeast, 0.3kg of frankincense and 0.25kg of myrrh.

The preparation method of the plant fermentation extract comprises the following steps:

(1) selecting the raw materials preferentially;

(2) mixing and crushing the raw materials, sieving the mixture by a 40-mesh sieve, and placing the mixture into a fermentation tank, wherein the zinc-rich yeast and the selenium-rich yeast are dissolved by deionized water and then added with water;

(3) adding deionized water into the fermentation tank, stirring uniformly, wherein the addition amount of the deionized water is 3.5 times of the total weight of the raw materials, fermenting and aging at 47 ℃ for 25 days, and the material is in a mud paste state and accompanied with the smell of fermentation yeast;

(4) adding deionized water into a fermentation tank, stirring, adjusting the viscosity of the fermentation material to 2.0 Pa.S, cooling to 17 ℃, standing for 36h, filtering through a 100-mesh sieve, and washing the filter residue with deionized water for 3 times;

(5) mixing the filtrate and the washing solution, grinding twice by a colloid mill to obtain pasty fluid with fineness of 150 meshes, and then spraying at 80 ℃ to prepare powder to obtain the product.

Example 3: a plant fermentation extract for solving low accumulated temperature problem of machine sowing and planting in paddy rice is prepared by mixing the following raw materials in parts by weight:

4kg of hirudin, 22kg of cyrtomium rhizome, 31kg of cortex lycii radicis, 2.5kg of reed rhizome element, 12kg of bamboo leaf extract, 8kg of dried orange peel, 2kg of red ginseng, 18kg of liquorice, 6kg of pollen, 23kg of radix bupleuri, 2.5kg of desiccated coconut, 4kg of sea-buckthorn, 0.12kg of zinc-enriched yeast, 0.22kg of selenium yeast, 0.25kg of frankincense and 0.2kg of myrrh.

The preparation method of the plant fermentation extract comprises the following steps:

(1) selecting the raw materials preferentially;

(2) mixing and crushing the raw materials, sieving the mixture by a 35-mesh sieve, and placing the mixture into a fermentation tank, wherein the zinc-rich yeast and the selenium-rich yeast are dissolved by deionized water and then added with water;

(3) adding deionized water into the fermentation tank, stirring uniformly, wherein the addition amount of the deionized water is 3.2 times of the total weight of the raw materials, fermenting and aging at 45 ℃ for 26 days to obtain a material which is in a mud paste state and has the smell of fermentation yeast;

(4) adding deionized water into a fermentation tank, stirring, adjusting the viscosity of the fermentation material to be 1.8 Pa.S, then cooling to 15 ℃, standing for 36h, filtering through a 90-mesh sieve, and washing filter residues with deionized water for 2 times;

(5) mixing the filtrate and the washing solution, grinding twice by a colloid mill to obtain paste fluid with the fineness of 130 meshes, and then spraying at 75 ℃ to prepare powder to obtain the product.

Application test:

the fermented plant extract prepared in examples 1 to 3 was mixed with water in an amount of 1g: 250kg of aqueous solution is prepared respectively, the aqueous solution is sprayed on rice seeds, the proportion of the plant fermentation extract to the rice seeds is 1g:500kg, the plant fermentation extract and the rice seeds are soaked for accelerating germination in a conventional mode after being sprayed and stirred uniformly for 6 days, and the rice sprouts and the paddy are obtained after germination in about 3-4 days.

And (3) adopting a greenhouse plastic greenhouse to cultivate the rice seedlings for 30-40 days, and selecting high-quality rice seedlings.

Taking four adjacent plots with basically same soil fertility and one mu of area, and respectively marking the plots with A, B, C, D;

a, mechanically sowing and spraying the rice sprouts subjected to sprouting in the land blocks of example 1, wherein the sowing amount of rice seeds is 6 kg/mu, and when rice seedlings emerge to 2-3cm higher than the ground, spraying an aqueous solution of a plant fermentation extract into a rice field, wherein the spraying amount of the plant fermentation extract is 3 g/mu;

b, mechanically sowing and spraying the rice sprouts subjected to germination acceleration after the step 2 on the land, wherein the sowing amount of rice seeds is 6 kg/mu, and when rice seedlings emerge 2-3cm higher than the ground, spraying an aqueous solution of a plant fermentation extract into the rice field, wherein the spraying amount of the plant fermentation extract is 3 g/mu;

c, mechanically sowing and spraying the rice sprouts subjected to germination acceleration after the step 3 on the land, wherein the sowing amount of rice seeds is 6 kg/mu, and when rice seedlings emerge to 2-3cm higher than the ground, spraying an aqueous solution of a plant fermentation extract into the rice field, wherein the spraying amount of the plant fermentation extract is 3 g/mu;

d, planting the rice in the land by adopting a rice transplanting mode, and after the rice roots, replanting the rice seedlings according to specific conditions until all the rice seedlings survive;

the other management conditions of the four plots are completely the same, and the rice seed varieties for accelerating germination and raising seedlings are the same.

After harvesting at the same period, comprehensively comparing the rice in the four plots, wherein the comparison results are as follows:

after the rice using the plant fermentation extract is sown by a germination accelerating machine and applied to seedling emergence, the rice yield is improved, and the rice has plump fruits, more grains and luster; the pure income calculation of the comparison is obtained by subtracting the cost after calculating according to the market price of 3 yuan/kg, and the embodiment mode of income increase is more obvious.

The application test is carried out in Wuhua farm of Feili forestry bureau company in Yichun, Heilongjiang province, and the authenticity can be checked.

In the above embodiments, the best mode of the present invention has been described, and it is apparent that many changes can be made under the inventive concept of the present invention. It should be noted here that any changes made under the inventive concept of the present invention shall fall within the protective scope of the present invention.