Raising seedling of cotton matrix and preparation method that a kind of vinasse natural pond slag makes
Technical field
The invention belongs to Agricultural biotechnologies and product technical field, be specifically related to raising seedling of cotton matrix and preparation method that a kind of vinasse methane-sludge (natural pond slag) makes.
Background technology
Discover cotton in seedling raising process, the increment of root system in soilless substrate is 8 to 10 times in the growth of nutrition seedlings and soil, and the seeding stage shifts to an earlier date 1-2 days, seedling rate improves 10.7-15.2%, plant height increases by 13.4%, and stem slightly increases by 21.9%, and its blade size increases by 17.4%, transplant to shorten and return seedling stage, bloomed 7-8 days in advance, ripe 5-7 days in advance, output increased 8-10%, quality improves, and every mu increases income more than 8%.
Cotton in China is live by dried seed, sprout-forcing direct-seeding, and the live nutrition soil bowl making apparatus that develops into is played alms bowl and grown seedlings, and river silt square culturing and transplanting seedlings can one be broadcast full stand, sows 15-20 days ahead of time, prolongs breeding time, improves the yield and quality, and generally applies in the whole nation.But the nutrition seedlings and soil is beaten the time-consuming and native soil-borne disease of carrying of nutrition of alms bowl pendulum alms bowl, the dead seedling of xanthorrhiza, and native alms bowl air permeability is poor, and root system development is sparse, and difficult is transplanted native ball percentage of damage height, hinders root and hinders seedling, and it is long that seedling stage is returned in transplanting.Along with China rural laborer's transfer and popularizing of non-soil culture technology, raising seedling of cotton is anxious to be treated to turn to non-soil culture by the nutrition seedlings and soil, under agro-technician and vast means of agricultural production cotton grower joint efforts, successively promoted the vermiculite Cultivation of Cotton Seedlings Without Soil, naked transplanting, floating seedlings, methods such as carrying substrates group's transplanting, because of cotton vermiculite non-soil culture, naked transplanting is under the heat and drought condition condition, and surviving rate is very low, floating seedlings is time-consuming, cost is too high, pushes away and wideless always, and be main seedling raising manners still in the production with the nutrition seedlings and soil.The difficult point of Cultivation of Cotton Seedlings Without Soil is the innovation of soilless substrate material and method for culturing seedlings, and key is with low cost, saving of work and time, and the transplanting survival rate height, the main both at home and abroad peat composed of rotten mosses that adopts: vermiculite 3:1 is domestic and international main matrix composition of raw materials.Because China's peat composed of rotten mosses scarcity of resources, main product are in Jilin, northeast, Heilungkiang and other places, the supply whole nation is annual to need 1500 ten thousand steres, and haul distance is remote, and the matrix of producing costs an arm and a leg, and promotes difficulty.Based on preserving the ecological environment, reduce the base starting material cost, development of new raw material and prescription, imperative.
Summary of the invention
In order to solve the problems such as soilless substrate prices of raw and semifnished materials costliness of Cultivation of Cotton Seedlings Without Soil in the prior art, solve a large amount of depleted wheats, corn, cassava, sweet potato simultaneously and do the vinasse that extract behind the alcohol and carry out the problem of utilizing that the biogas fermentation second stage employ produces the natural pond slag, the invention provides raising seedling of cotton matrix and preparation method that a kind of vinasse natural pond slag makes.
The technical solution that realizes above-mentioned purpose is as follows:
The raising seedling of cotton matrix that a kind of vinasse natural pond slag makes is made up of following material: vinasse natural pond slag 7-9 cubic meter, vermiculite 1-3 cubic meter; Described vinasse natural pond slag is that vinasse carry out the fresh cripple after the fermentation of biogas jar produces biogas; Described vermiculite is a kind of clay mineral.
The preparation method of raising seedling of cotton matrix is as follows:
(1), the slag airing of vinasse natural pond is dewatered to water content 50-60%;
(2), naturally stack fermentation 30-45 days, leavening temperature is 50-55 ℃; Turning in per 15 days once obtains fermented product for the first time;
(3), fermented product for the first time, mix inside and outside the turning, stack naturally and fermented 45-60 days, leavening temperature is 60-70 ℃, turning in per 15 days once is cooled to 25-35 ℃, obtains fermented product for the second time, white hypha occurs in the fermented product for the second time, color is reddish brown, has the fragrance of becoming thoroughly decomposed;
(4), fermented product is air-dry for the second time below 20%, gets air-dry thing to moisture;
(5), by prescription in air-dry thing, add vermiculite, mix, mixture;
(6), sieve mixture, can obtain raising seedling of cotton matrix with trommel screen.
Vinasse natural pond slag is that wheat, corn, cassava, the sweet potato of large-scale alcohol enterprise does the vinasse that extract behind the alcohol and carry out the biogas fermentation second stage employ and produce the natural pond slag.Because of it has lost feed value, become trade waste.As fertilizer raw material granulation difficulty, organic fertilizer producer, abandon and need not, a large amount of vinasse natural ponds slag muck is put, and stinks to high heaven, environmental pollution is serious day by day, greatly endangers the healthy of people.The invention solves vinasse natural pond slag problem of environment pollution caused; scientific and reasonable, economical and effective is utilized vinasse natural pond slag; with its raw material as seedling medium; prolonged grain processing recycling economy industry chain (supply chain); the long-distance transport cost is reduced in the ecological source of the protection peat composed of rotten mosses, promotes the seedling medium industry development; promote the non-soil culture scientific-technical progress, dwindle gap with the international modern technique of growing seedlings.
Raising seedling of cotton matrix physical and chemical index of the present invention reaches design requirements: particle diameter is 1-5mm 〉=40%, organic 4.47 above unit weight 0.15-0.40g/m
3, total void 60-70%, pH value 5.5-8.0, specific conductivity≤80%us/cm, total nutrient 4.0%, moisture≤30% reaches seedlings root growth optimum range, and loose ventilative, good water absorption need not shift to an earlier date pre-wet treatment, siccative sabot saving of work and time.Preserve moisture and fertility, water, fertilizer, gas heat are coordinated the growth of seedling stalwartness.
Raising seedling of cotton matrix disease resistance of the present invention is strong, does not need sterilant to handle.Natural pond slag matrix forms the microflora in enriching through thermophilic fermentation, natural pond slag formed nitrate and inferiorization salt marsh in biogas fermentation have been decomposed, suppressed overworked disease in seedling stage, the growth of germ such as damping-off, anthrax, decompose the humic acid that has synthesized in the slag organic matter of natural pond, promote well developed root system, it is sturdy to grow, and reaches the effect of disease-resistant raising seedling rate.Need not add antibiotic, agricultural chemicals, reduce production costs, reduce and pollute, optimize the substrate ecological environment, reach the microecological balance of matrix, and have the function of separating nitrogen, phosphorus decomposing, potassium decomposing.
Raising seedling of cotton matrix nutrition of the present invention is abundant, and total nutrient reaches more than 4%, need not increase chemical fertilizer.The reserve strength abundance can effectively promote root growth, improves 31.7% than peat composed of rotten mosses matrix at two leaves, one heart stage root system bar number, shortens and transplants seedling-slowing stage, early flowering, ripen in advance, increasing both production and income.
Raising seedling of cotton matrix of the present invention keeps the matrix biological activity.In the preparation process of vinasse biological activity seedling medium, after the fermenting raw materials, conditions such as glycoprotein, organic acid, Mierocrystalline cellulose, nucleic acid are provided for microbial reproduction, provide plant required nutrient, microorganism can promote the absorption of plant to nutritive element, producing abundant organic matter is that plant seedlings effectively absorbs nutrient, and good coenocorrelation is provided.
135 yuan of every cubic metre of costs of raising seedling of cotton matrix of the present invention, 272 yuan of every cubic metre of raw materials cost of peat composed of rotten mosses matrix, cost reduces more than 50%.
Embodiment
Below in conjunction with example, the present invention is further described.
Embodiment 1:
The prescription of the raising seedling of cotton matrix that a kind of vinasse natural pond slag makes is as follows:
7 cubic metres of the fresh natural pond slag of vinasse after the biogas jar produces biogas, 3 cubic metres of vermiculites.
Vinasse natural pond slag is that vinasse carry out the fresh cripple after the fermentation of biogas jar produces biogas; Vermiculite is a kind of clay mineral.
The method for preparing raising seedling of cotton matrix is as follows:
(1), the slag airing of vinasse natural pond is dewatered to water content 50-60%;
(2), naturally stack fermentation 30 days, leavening temperature is 50-55 ℃; Turning in per 15 days once obtains fermented product for the first time;
(3), fermented product for the first time, mix inside and outside the turning, stack naturally and fermented 45 days, leavening temperature is 60-70 ℃, turning in per 15 days once is cooled to 25 ℃, obtains fermented product for the second time, white hypha occurs in the fermented product for the second time, color is reddish brown, has the fragrance of becoming thoroughly decomposed;
(4), fermented product is air-dry for the second time below 20%, gets air-dry thing to moisture;
(5), by above-mentioned prescription in air-dry thing, add vermiculite, mix, mixture;
(6), sieve mixture, can obtain raising seedling of cotton matrix with trommel screen.
Raising seedling of cotton matrix physical and chemical index: organic 20% above unit weight 0.15 above g/cm
3, total void is more than 60%, pH value 5.5-8.0, and specific conductivity≤80%us/cm, total nutrient 4.0%, every index of moisture≤30%(is adjusted into data).
During use, raising seedling of cotton matrix is poured in the seedling pan of seedbed, spray water irrigates, and can directly sow.
Embodiment 2:
The prescription of the raising seedling of cotton matrix that a kind of vinasse natural pond slag makes is as follows:
8 cubic metres of the fresh natural pond slag of vinasse after the biogas jar produces biogas, 2 cubic metres of vermiculites.
The method for preparing raising seedling of cotton matrix is as follows:
(1), the slag airing of vinasse natural pond is dewatered to water content 50-60%;
(2), naturally stack fermentation 40 days, leavening temperature is 50-55 ℃; Turning in per 15 days once obtains fermented product for the first time;
(3), fermented product for the first time, mix inside and outside the turning, stack naturally and fermented 52 days, leavening temperature is 60-70 ℃, turning in per 15 days once is cooled to 30 ℃, obtains fermented product for the second time, white hypha occurs in the fermented product for the second time, color is reddish brown, has the fragrance of becoming thoroughly decomposed;
(4), fermented product is air-dry for the second time below 20%, gets air-dry thing to moisture;
(5), by prescription in air-dry thing, add vermiculite, mix, mixture;
(6), sieve mixture, can obtain raising seedling of cotton matrix with trommel screen.
Raising seedling of cotton matrix physical and chemical index: organic 20% above unit weight 0.20 above g/cm
3, total void is more than 65%, pH value 5.5-8.0, and specific conductivity≤80%us/cm, total nutrient 4.0%, every index of moisture≤30%(is adjusted into data).
Other is with embodiment 1.
Embodiment 3:
The prescription of the raising seedling of cotton matrix that a kind of vinasse natural pond slag makes is as follows:
9 cubic metres of the fresh natural pond slag of vinasse after the biogas jar produces biogas, 1 cubic metre of vermiculite.
(1), the slag airing of vinasse natural pond is dewatered to water content 50-60%;
(2), naturally stack fermentation 45 days, leavening temperature is 50-55 ℃; Turning in per 15 days once obtains fermented product for the first time;
(3), fermented product for the first time, mix inside and outside the turning, stack naturally and fermented 60 days, leavening temperature is 60-70 ℃, turning in per 15 days once is cooled to 35 ℃, obtains fermented product for the second time, white hypha occurs in the fermented product for the second time, color is reddish brown, has the fragrance of becoming thoroughly decomposed;
(4), fermented product is air-dry for the second time below 20%, gets air-dry thing to moisture;
(5), by prescription in air-dry thing, add vermiculite, mix, mixture;
(6), sieve mixture, can obtain raising seedling of cotton matrix with trommel screen.
Raising seedling of cotton matrix physical and chemical index: organic 20% above unit weight 0.25 above g/cm
3, total void-below 70%, pH value 5.5-8.0, specific conductivity≤80%us/cm, total nutrient 4.0%, every index of moisture≤30%(is adjusted into data).
Other is with embodiment 1.