CN112028669A - Matrix for industrial hemp seedling raising - Google Patents
Matrix for industrial hemp seedling raising Download PDFInfo
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- CN112028669A CN112028669A CN202010769604.8A CN202010769604A CN112028669A CN 112028669 A CN112028669 A CN 112028669A CN 202010769604 A CN202010769604 A CN 202010769604A CN 112028669 A CN112028669 A CN 112028669A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F3/00—Fertilisers from human or animal excrements, e.g. manure
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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
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
- A01G24/12—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material containing soil minerals
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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
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
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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
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/22—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing plant material
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/20—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation using specific microorganisms or substances, e.g. enzymes, for activating or stimulating the treatment
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
Abstract
The invention discloses a substrate for industrial hemp seedling raising. The substrate is prepared by mixing organic fertilizer prepared from straws and soil. The organic fertilizer is preferably prepared from 70-75 parts by weight of organic fertilizer prepared from straws and 25-30 parts by weight of soil, wherein the organic fertilizer prepared from the straws comprises corn straws, livestock and poultry manure, oil bran, soybean meal, an organic material decomposition agent and azotobacter. The method is suitable for the seedling propagation of the industrial hemp, can reduce the adverse effects of the outside air temperature, the soil fertility and the soil moisture on the seedling propagation of the industrial hemp, shortens the seedling emergence period, and improves the seedling emergence rate and the seedling growth vigor, thereby improving the planting benefit of the industrial hemp.
Description
Technical Field
The invention belongs to the technical field of seedling raising substrates, and particularly relates to a substrate for industrial hemp seedling raising.
Background
In recent years, with the continuous and deep understanding and research of cannabis by human beings, the wide application of industrial cannabis-related products has promoted the growing scale of industrial cannabis. Meanwhile, with the rapid development of facility agriculture, soilless culture and plug seedling are widely popularized, and industrial seedling culture is more and more emphasized by modern agriculture, so that the development and research of solid culture substrates are accelerated.
The traditional direct sowing and planting mode of industrial hemp is greatly influenced by factors such as air temperature, soil fertility, soil moisture and the like, the seedling emergence period, the seedling emergence rate, the robustness and the growth vigor of seedlings are not uniform, the adverse effect is caused on the later growth, the yield and the product quality of the industrial hemp, and then the planting benefit of the industrial hemp is reduced.
Disclosure of Invention
The invention aims to provide a substrate for industrial hemp seedling raising to help reduce adverse effects of outside air temperature, soil fertility and soil moisture on industrial hemp seedling breeding, shorten the seedling emergence period and improve the seedling emergence rate and the growth vigor of seedlings.
On the one hand, the invention provides a substrate for industrial hemp seedling raising, which is prepared by mixing organic fertilizer prepared from straws and soil.
Preferably, the substrate is prepared from 70-75 parts by weight of organic fertilizer prepared from the straws and 25-30 parts by weight of soil.
Preferably, the organic fertilizer prepared from the straws is prepared from raw materials consisting of corn straws, livestock and poultry manure, oil bran, soybean meal, an organic material decomposition agent and azotobacter.
Preferably, the organic fertilizer prepared from the straws is prepared by mixing the raw materials, adjusting the water content to be 50-80%, and then performing aerobic stacking fermentation at the temperature higher than 4 ℃.
Preferably, the raw materials comprise, by weight, 60-65 parts of corn straws, 20-25 parts of livestock and poultry manure, 5-15 parts of oil bran, 4-10 parts of soybean meal, 1-5 parts of organic material decomposing inoculant and 1-5 parts of azotobacter.
Preferably, the raw materials comprise 60 parts of corn straws, 20 parts of livestock and poultry manure, 5 parts of oil bran, 4 parts of soybean meal, 1 part of organic material decomposition agent and 1 part of azotobacter by weight.
Preferably, the raw materials comprise 62 parts of corn straws, 23 parts of livestock and poultry manure, 9 parts of oil bran, 7 parts of soybean meal, 2 parts of organic material decomposition agent and 3 parts of azotobacter by weight.
Preferably, the raw materials comprise 63 parts of corn straws, 21 parts of livestock and poultry manure, 12 parts of oil bran, 8 parts of soybean meal, 3 parts of organic material decomposition agent and 2 parts of azotobacter by weight.
Preferably, the raw materials comprise 65 parts of corn straws, 25 parts of livestock and poultry manure, 15 parts of oil bran, 10 parts of soybean meal, 5 parts of organic material decomposing inoculant and 5 parts of azotobacter by weight.
Preferably, the moisture content of the corn straws is less than or equal to 15 percent, the moisture content of the livestock and poultry manure is 70-85 percent, and the azotobacter comprises azotobacter chroococcum and alcaligenes faecalis, soThe bacterium contents of azotobacter chroococcum and Alcaligenes faecalis are both more than or equal to 5.0 x 109cfu/g。
The substrate of the invention is suitable for the seedling propagation of industrial hemp, reduces the adverse effect of the outside air temperature, soil fertility and soil moisture on the seedling propagation of the industrial hemp, shortens the seedling emergence period, and improves the seedling emergence rate and the growth vigor of seedlings, thereby improving the planting benefit of the industrial hemp.
Detailed Description
The invention will be further described with reference to specific embodiments, and the advantages and features of the invention will become apparent as the description proceeds. It should be understood that the examples are illustrative only and are not limiting upon the scope of the invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention, and that such changes and modifications may be made without departing from the spirit and scope of the invention.
In the following description, all methods involved are conventional in the art unless otherwise specified. The starting materials mentioned are all those which are commercially available from the public unless otherwise specified.
The substrate for industrial hemp industrial seedling raising is prepared by taking corn straws, livestock and poultry manure, oil bran and soybean meal as raw materials, adopting an organic material decomposition agent and azotobacter to perform aerobic accumulation fermentation to prepare a high-quality organic fertilizer and then mixing the organic fertilizer with high-quality cultivation soil according to the nutrient requirement of industrial hemp in the seedling stage, the requirement on planting soil and the rhizosphere microorganism principle. The substrate organically combines the nutrients such as organic matters, phosphorus, potassium and the like in the raw materials and the physiologically active substances generated by beneficial microorganisms. The organic fertilizer is used for industrial hemp seedling raising, and can provide organic matters and inorganic nutrient elements for the propagation of industrial hemp seedlings in the whole seedling raising period; it reduces the adverse effect of outside air temperature, soil fertility and soil moisture on the propagation of industrial hemp seedlings, shortens the seedling emergence period, and improves the rate of emergence and the growth vigor of the seedlings, thereby improving the planting benefit of the industrial hemp.
The technical scheme of the invention adoptsThe organic material decomposing inoculant is a common commercial product, and microorganisms contained in the organic material decomposing inoculant mainly comprise bacillus subtilis, trichoderma viride, aspergillus oryzae and saccharomyces cerevisiae. In addition, the azotobacter in the invention preferably comprises azotobacter chroococcum and alcaligenes faecalis, and the bacterial content of the azotobacter chroococcum and the alcaligenes faecalis is more than or equal to 5.0 multiplied by 109cfu/g。
In one embodiment of the invention, the substrate for industrial hemp seedling raising is prepared by taking corn straws, livestock and poultry manure, oil bran, soybean meal, an organic material decomposition agent, azotobacter and soil as raw materials. The specific preparation process comprises the following steps: (1) pretreating raw materials; (2) mixing the raw materials to prepare a mixed material; (3) fermenting the mixed material to prepare an organic fertilizer; (4) organic fertilizer and soil are mixed to prepare the seedling raising substrate.
In the raw material pretreatment step, dried corn straws, fresh livestock and poultry manure, non-deteriorated soybean meal and oil bran are selected, and impurities are removed. Wherein the water content of the corn straws is less than or equal to 15 percent, and the water content of the livestock and poultry manure is 70-85 percent. In order to mix the raw materials fully and promote the fermentation, the corn straws and the bean pulp are crushed. Preferably, the corn straws are mechanically crushed into sections of about 3cm, and the bean pulp is crushed into grains with the size of rice grains.
In the step of preparing the mixed material by mixing the raw materials, weighing various raw material components according to a preset weight ratio, then adding the corn straw sections and the bean pulp particles into the oil bran, adding the fresh livestock and poultry manure while mixing and stirring, and adding clear water into the mixture obtained by uniformly mixing the four raw materials and continuously stirring to adjust the moisture content of the mixed material. The weight ratio of each component in the raw materials is preferably as follows: 60-65 parts of corn straw, 20-25 parts of livestock and poultry manure, 5-15 parts of oil bran, 4-10 parts of soybean meal, 1-5 parts of organic material decomposing agent and 1-5 parts of azotobacter, wherein the water content of the mixed materials is adjusted to 50-80%.
In the step of preparing the organic fertilizer by fermenting the mixed material, the weighed organic material decomposing agent and the nitrogen-fixing bacteria are added into the mixed material with the regulated water content, the mixture is uniformly mixed again, then the mixed material with the natural initial pH value is subjected to aerobic stacking fermentation at the temperature of more than 4 ℃, and the fermentation is finishedThe obtained product is used as an industrial hemp seedling raising substrate to prepare an organic fertilizer prepared from straws. During the fermentation process, the change of the shape, color, smell, temperature and the like of the material is observed, and the material can be sampled for assay detection. And determining the duration of fermentation according to the apparent change of the fermented materials and the result of sample assay detection, wherein the fermentation period is preferably 80-200 days. The organic material decomposing agent used for fermentation comprises bacillus subtilis, trichoderma viride, aspergillus oryzae and saccharomyces cerevisiae, the azotobacter comprises azotobacter chroococcum and alcaligenes faecalis, and the bacterial content of the azotobacter and the alcaligenes faecalis is more than or equal to 5.0 multiplied by 109cfu/g。
Azotobacter can be prepared by self, and azotobacter chroococcum and alcaligenes faecalis are fermented and cultured in corresponding liquid culture media to obtain bacterial liquids. Then separating thallus from the fermentation culture, drying and concentrating to obtain single-strain solid-state bacterial powder, wherein the bacterial content in both single-strain bacterial powders is more than or equal to 5.0 multiplied by 109cfu/g。
In the step of preparing the seedling raising substrate by mixing the organic fertilizer and the soil, the organic fertilizer and the soil prepared by the straws are weighed according to the preset weight ratio, and the organic fertilizer and the soil are mixed and uniformly blended to obtain the substrate for industrial hemp seedling raising. The preferable weight ratio of the organic fertilizer to the soil is as follows: 70-75 parts of organic fertilizer prepared from straw and 25-30 parts of soil, wherein the soil is preferably garden soil.
To help better understand the technical solution of the present invention, the following examples are provided for illustrating the preparation of the seedling raising substrate of the present invention and its effect on the propagation of industrial hemp seedlings.
Example one
The raw materials of the seedling raising substrate comprise 70 parts of organic fertilizer prepared from straws and 30 parts of garden soil by weight. The organic fertilizer prepared from the straws comprises, by weight, 60 parts of corn straws, 20 parts of livestock and poultry manure, 5 parts of oil bran, 4 parts of soybean meal, 1 part of an organic material decomposition agent and 1 part of azotobacter. The microorganisms in the organic material decomposing inoculant comprise bacillus subtilis, trichoderma viride, aspergillus oryzae and saccharomyces cerevisiae. The azotobacter comprises azotobacter chroococcum and Alcaligenes faecalis, and the bacteria content of the azotobacter chroococcum is not less than 5.0 × 109cfu/g。
The specific preparation process of the seedling raising substrate mainly comprises the following steps:
(1) pretreating raw materials, selecting dried corn straws, fresh livestock and poultry manure, non-deteriorated soybean meal and oil bran, and removing impurities. The corn straws are crushed into sections of about 3cm, and the bean pulp is crushed into grains with the size of rice grains.
(2) Mixing the raw materials to prepare a mixed material, adding the corn straw sections and the soybean meal particles into oil bran, adding fresh livestock and poultry manure while mixing and stirring, adding clear water into the mixture obtained by uniformly mixing the four raw materials, and continuously stirring to adjust the water content of the mixed material to 50%.
(3) And (3) preparing an organic fertilizer by fermentation, namely adding an organic material decomposing agent and azotobacter into the mixed material, keeping the initial pH of the material natural, then carrying out aerobic stacking fermentation at the temperature higher than 4 ℃, observing the change of the shape, color, smell, temperature and the like of the material in the fermentation process, sampling, carrying out assay detection, and taking the product after fermentation for 200 days as the organic fertilizer prepared from the straws.
(4) And (3) mixing an organic fertilizer and soil to prepare a seedling raising substrate, weighing the organic fertilizer and the garden soil prepared in the step (3) according to the weight ratio, mixing the organic fertilizer and the garden soil, and blending uniformly to prepare the seedling raising substrate 1.
Example two
The raw materials of the seedling raising substrate in the embodiment comprise 72 parts of organic fertilizer prepared from straws and 28 parts of garden soil by weight. The organic fertilizer prepared from the straws comprises, by weight, 62 parts of corn straws, 23 parts of livestock and poultry manure, 9 parts of oil bran, 7 parts of soybean meal, 2 parts of an organic material decomposition agent and 3 parts of azotobacter. The microorganisms in the organic material decomposing inoculant comprise bacillus subtilis, trichoderma viride, aspergillus oryzae and saccharomyces cerevisiae. The azotobacter comprises azotobacter chroococcum and Alcaligenes faecalis, and the bacteria content of the azotobacter chroococcum is not less than 5.0 × 109cfu/g。
The specific preparation process of the seedling raising substrate mainly comprises the following steps:
(1) pretreating raw materials, selecting dried corn straws, fresh livestock and poultry manure, non-deteriorated soybean meal and oil bran, and removing impurities. The corn straws are crushed into sections of about 3cm, and the bean pulp is crushed into grains with the size of rice grains.
(2) Mixing the raw materials to prepare a mixed material, adding the corn straw sections and the soybean meal particles into oil bran, adding fresh livestock and poultry manure while mixing and stirring, adding clear water into the mixture obtained by uniformly mixing the four raw materials, and continuously stirring to adjust the water content of the mixed material to 60%.
(3) And (3) preparing an organic fertilizer by fermentation, namely adding an organic material decomposing agent and azotobacter into the mixed material, keeping the initial pH of the material natural, then carrying out aerobic stacking fermentation at the temperature higher than 4 ℃, observing the change of the shape, color, smell, temperature and the like of the material in the fermentation process, sampling, carrying out assay detection, and taking the product obtained after fermentation for 150 days as the organic fertilizer prepared from the straws.
(4) And (3) mixing an organic fertilizer and soil to prepare a seedling raising substrate, weighing the organic fertilizer and the garden soil prepared in the step (3) according to the weight ratio, mixing the organic fertilizer and the garden soil, and blending uniformly to prepare the seedling raising substrate 2.
EXAMPLE III
The raw materials of the seedling raising substrate comprise 73 parts of organic fertilizer prepared from straw and 27 parts of soil by weight. The organic fertilizer prepared from the straws comprises, by weight, 63 parts of corn straws, 21 parts of livestock and poultry manure, 12 parts of oil bran, 8 parts of soybean meal, 3 parts of an organic material decomposition agent and 2 parts of azotobacter. The microorganisms in the organic material decomposing inoculant comprise bacillus subtilis, trichoderma viride, aspergillus oryzae and saccharomyces cerevisiae. The azotobacter comprises azotobacter chroococcum and Alcaligenes faecalis, and the bacteria content of the azotobacter chroococcum is not less than 5.0 × 109cfu/g。
The specific preparation process of the seedling raising substrate mainly comprises the following steps:
(1) pretreating raw materials, selecting dried corn straws, fresh livestock and poultry manure, non-deteriorated soybean meal and oil bran, and removing impurities. The corn straws are crushed into sections of about 3cm, and the bean pulp is crushed into grains with the size of rice grains.
(2) Mixing the raw materials to prepare a mixed material, adding the corn straw sections and the soybean meal particles into oil bran, adding fresh livestock and poultry manure while mixing and stirring, adding clear water into the mixture obtained by uniformly mixing the four raw materials, and continuously stirring to adjust the water content of the mixed material to 70%.
(3) And (3) preparing an organic fertilizer by fermentation, namely adding an organic material decomposing agent and azotobacter into the mixed material, keeping the initial pH of the material natural, then carrying out aerobic stacking fermentation at the temperature higher than 4 ℃, observing the change of the shape, color, smell, temperature and the like of the material in the fermentation process, sampling, carrying out assay detection, and taking the product after 100 days of fermentation as the organic fertilizer prepared from the straws.
(4) And (3) mixing an organic fertilizer and soil to prepare a seedling raising substrate, weighing the organic fertilizer and the garden soil prepared in the step (3) according to the weight ratio, mixing the organic fertilizer and the garden soil, and blending uniformly to prepare the seedling raising substrate 3.
Example four
The raw materials of the seedling raising substrate comprise 75 parts by weight of organic fertilizer prepared from straws and 25 parts by weight of garden soil. The organic fertilizer prepared from the straws comprises, by weight, 65 parts of corn straws, 25 parts of livestock and poultry manure, 15 parts of oil bran, 10 parts of soybean meal, 5 parts of an organic material decomposition agent and 5 parts of azotobacter. The microorganisms in the organic material decomposing inoculant comprise bacillus subtilis, trichoderma viride, aspergillus oryzae and saccharomyces cerevisiae. The azotobacter comprises azotobacter chroococcum and Alcaligenes faecalis, and the bacteria content of the azotobacter chroococcum is not less than 5.0 × 109cfu/g。
The specific preparation process of the seedling raising substrate mainly comprises the following steps:
(1) pretreating raw materials, selecting dried corn straws, fresh livestock and poultry manure, non-deteriorated soybean meal and oil bran, and removing impurities. The corn straws are crushed into sections of about 3cm, and the bean pulp is crushed into grains with the size of rice grains.
(2) Mixing the raw materials to prepare a mixed material, adding the corn straw sections and the soybean meal particles into oil bran, adding fresh livestock and poultry manure while mixing and stirring, adding clear water into the mixture obtained by uniformly mixing the four raw materials, and continuously stirring to adjust the water content of the mixed material to 80%.
(3) And (3) preparing an organic fertilizer by fermentation, namely adding an organic material decomposing agent and azotobacter into the mixed material, keeping the initial pH of the material natural, then carrying out aerobic stacking fermentation at the temperature higher than 4 ℃, observing the change of the shape, color, smell, temperature and the like of the material in the fermentation process, sampling, carrying out assay detection, and taking the product after 80 days of fermentation as the organic fertilizer prepared from the straws.
(4) And (3) mixing an organic fertilizer and soil to prepare a seedling raising substrate, weighing the organic fertilizer and the garden soil prepared in the step (3) according to the weight ratio, mixing the organic fertilizer and the garden soil, and blending uniformly to prepare the seedling raising substrate 4.
Seedling raising test: influence of matrix for industrial hemp industrial seedling raising on industrial hemp seedling raising
A seedling raising test is carried out on the Changqing of Heilongjiang by selecting the first fructus cannabis, 5 groups of test designs are carried out, each group is 3 in repetition, each group is provided with 2 plug trays with 105 holes in repetition, and the test adopts a sowing mode of 1 plug and 1 seed. The contrast group adopts field surface soil for planting the first-grade cannabis sativa, the test group adopts seedling raising substrates 1-4, and nutrients in the culture soil and the seedling raising substrates of the contrast group are adjusted to the same level, wherein the total nitrogen is 1.63g/kg, the alkaline hydrolysis nitrogen is 130.84mg/kg, the quick-acting phosphorus is 45.05mg/kg, and the quick-acting potassium is 155.00 mg/kg. The filling amount and the moisture of the culture soil or the seedling raising matrix in each hole are kept consistent. After sowing, all the hole trays are placed in the same greenhouse for seedling emergence test and are managed by a special person in a unified way.
Observing regularly from the sowing, and recording the seedling number, seedling time, seedling stage, three-leaf stage and three-leaf stage plant height in each hole tray. And after the test is finished, calculating the average seedling emergence period, the average seedling stage, the average trefoil stage, the average rate of emergence and the average plant height in the trefoil stage of each group. The results are shown in Table 1.
TABLE 1
As can be seen from the data in Table 1, compared with the control group, the average seedling emergence periods of the four groups of the Cannabis I adopting the seedling raising substrate are respectively shortened by 18.1%, 23.8%, 27.6% and 33.3%; the average seedling stage is respectively shortened by 20.1%, 26.0%, 33.1% and 34.4%; the average three-leaf period is respectively shortened by 14.7%, 20.0%, 24.0% and 29.3%; the plant height in the average three-leaf period is respectively increased by 12.0%, 14.8%, 16.0% and 18.8%; the average rate of emergence is respectively improved by 6.1%, 7.9%, 10.7% and 12.2%. Therefore, the prepared seedling raising substrates 1 to 4 can obviously promote the seedling propagation of the industrial hemp, and the seedling raising substrate 4 has the best effect of promoting the seedling propagation of the industrial hemp.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It will be apparent to those skilled in the art that improvements and modifications may be made without departing from the principles of the invention and are intended to be within the scope of the invention.
Claims (10)
1. A matrix for industrial hemp seedling raising is prepared by mixing organic fertilizer prepared from straws and soil.
2. The substrate of claim 1, wherein the substrate is prepared from 70-75 parts by weight of organic fertilizer prepared from the straw and 25-30 parts by weight of the soil.
3. The substrate of claim 1, wherein the organic fertilizer prepared from straw is prepared from raw materials consisting of corn straw, livestock and poultry manure, oil bran, soybean meal, organic material decomposition agent and nitrogen-fixing bacteria.
4. The substrate of claim 3, wherein the organic fertilizer prepared from the straws is prepared by mixing the raw materials, adjusting the moisture content to 50-80%, and then performing aerobic stacking fermentation at the temperature of more than 4 ℃.
5. The substrate according to claim 3, wherein the raw material comprises, by weight, 60-65 parts of the corn stalks, 20-25 parts of the livestock and poultry manure, 5-15 parts of the oil bran, 4-10 parts of the soybean meal, 1-5 parts of the organic material decomposition agent and 1-5 parts of the nitrogen-fixing bacteria.
6. The substrate of claim 5, wherein said raw materials comprise, by weight, 60 parts of said corn stover, 20 parts of said livestock manure, 5 parts of said oil bran, 4 parts of said soybean meal, 1 part of said organic material decomposition agent, and 1 part of said nitrogen-fixing bacteria.
7. The substrate of claim 5, wherein said raw materials comprise, by weight, 62 parts of said corn stover, 23 parts of said livestock manure, 9 parts of said oil bran, 7 parts of said soybean meal, 2 parts of said organic material decomposition agent, and 3 parts of said nitrogen-fixing bacteria.
8. The substrate of claim 5, wherein said raw materials comprise, by weight, 63 parts of said corn stover, 21 parts of said livestock manure, 12 parts of said oil bran, 8 parts of said soybean meal, 3 parts of said organic material decomposition agent, and 2 parts of said nitrogen-fixing bacteria.
9. The substrate of claim 5, wherein said raw materials comprise, by weight, 65 parts of said corn stover, 25 parts of said livestock manure, 15 parts of said oil bran, 10 parts of said soybean meal, 5 parts of said organic material decomposition agent, and 5 parts of said nitrogen-fixing bacteria.
10. The substrate of any one of claims 3 to 9, wherein the moisture content of the corn stalks is less than or equal to 15 percent, the moisture content of the livestock and poultry manure is 70 to 85 percent, the azotobacter comprises azotobacter chroococcum and alcaligenes faecalis, and the bacteria content of the azotobacter chroococcum and the alcaligenes faecalis is both more than or equal to 5.0 x 109cfu/g。
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| CN113100014A (en) * | 2021-04-20 | 2021-07-13 | 潍坊市华以农业科技有限公司 | Special nutrient soil for industrial hemp planting and preparation process and application thereof |
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