CN113480376B - Radix isatidis residue bio-organic fertilizer suitable for radix glehniae and preparation method thereof - Google Patents

Radix isatidis residue bio-organic fertilizer suitable for radix glehniae and preparation method thereof Download PDF

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CN113480376B
CN113480376B CN202110816329.5A CN202110816329A CN113480376B CN 113480376 B CN113480376 B CN 113480376B CN 202110816329 A CN202110816329 A CN 202110816329A CN 113480376 B CN113480376 B CN 113480376B
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organic fertilizer
radix glehniae
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CN113480376A (en
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秦梦
裴林
何培
崔施展
孙国强
张玉铭
芦晔
段绪红
马宗敏
李俊娣
张峰
杨树林
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Hebei Academy Of Traditional Chinese Medicine Sciences
Institute of Genetics and Developmental Biology of CAS
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Institute of Genetics and Developmental Biology of CAS
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    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05GMIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G3/00Mixtures of one or more fertilisers with additives not having a specially fertilising activity
    • C05G3/60Biocides or preservatives, e.g. disinfectants, pesticides or herbicides; Pest repellants or attractants
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05BPHOSPHATIC FERTILISERS
    • C05B1/00Superphosphates, i.e. fertilisers produced by reacting rock or bone phosphates with sulfuric or phosphoric acid in such amounts and concentrations as to yield solid products directly
    • C05B1/02Superphosphates
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05FORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F17/00Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
    • C05F17/20Preparation 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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    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05FORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F17/00Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
    • C05F17/90Apparatus therefor
    • C05F17/964Constructional parts, e.g. floors, covers or doors
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05FORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F17/00Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
    • C05F17/90Apparatus therefor
    • C05F17/964Constructional parts, e.g. floors, covers or doors
    • C05F17/971Constructional parts, e.g. floors, covers or doors for feeding or discharging materials to be treated; for feeding or discharging other material
    • C05F17/979Constructional parts, e.g. floors, covers or doors for feeding or discharging materials to be treated; for feeding or discharging other material the other material being gaseous
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05FORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F17/00Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
    • C05F17/90Apparatus therefor
    • C05F17/993Arrangements for measuring process parameters, e.g. temperature, pressure or humidity
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05GMIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G3/00Mixtures of one or more fertilisers with additives not having a specially fertilising activity
    • C05G3/80Soil conditioners
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/40Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse

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Abstract

The invention relates to a traditional Chinese medicine waste residue bio-organic fertilizer suitable for radix glehniae and a preparation method thereof. The organic fertilizer is prepared from the following components in parts by weight: 12-17 parts of isatis root dregs, 50-55 parts of cow dung, 14-18 parts of grass ash, 15-20 parts of rice hull powder, 1-2 parts of calcium superphosphate, 0.5-1 part of microbial agent, 2-4 parts of urea and 3-4 parts of poly-gamma-glutamic acid. The process comprises the following steps: stirring and mixing the raw materials uniformly, adjusting the C/N ratio to be 30 by using urea, then adding a microbial agent into a fermentation product, mixing and stirring, retting compost, and adding poly-gamma-glutamic acid after fermentation is finished. The invention is a biological organic fertilizer especially suitable for radix glehniae, wherein radix isatidis dregs, cow dung, rice hull powder and the like are processed into an organic fertilizer which is applied to the radix glehniae, so that the content of coumarin and polysaccharide in the organic fertilizer is obviously improved, the quality is obviously improved, the high yield, high quality and high efficiency are realized, and the problem of soil structure damage caused by excessive application of chemical fertilizers is effectively solved.

Description

Radix isatidis residue bio-organic fertilizer suitable for radix glehniae and preparation method thereof
Technical Field
The invention relates to the technical field of preparation of biological organic fertilizers, and particularly relates to an isatis root decoction dreg biological organic fertilizer suitable for radix glehniae and a preparation method thereof.
Background
Radix Glehniae, also known as Laiyang Ginseng or Liaoshen, is the dry root of Eucheuma Gelatinosum of Umbelliferae, and is slightly cold in nature, sweet, slightly bitter and slightly cold in taste. It enters lung and stomach meridians. Radix glehniae is a common clinical traditional Chinese medicine, has the effects of nourishing yin, clearing away the lung-heat, benefiting the stomach and promoting the production of body fluid, and is used for treating diseases such as lung heat dry cough, overstrain cough phlegm blood, stomach yin deficiency, fever fluid impairment, dry throat, thirst and the like. Coumarin is an important active ingredient, and has various biological activities of hypertension resistance, HIV resistance, cancer resistance, bacteria resistance and the like.
In recent years, with the continuous and deep research on the medicinal effect of the radix glehniae, the market demand of the radix glehniae is continuously increased, the planting area is continuously enlarged, and in order to improve the yield, the application amount of the fertilizer is increased year by year, so that the quality of the radix glehniae is reduced, the content of organic matters is reduced, meanwhile, the soil structure is damaged, and the soil fertility is gradually reduced, therefore, it is necessary to screen high-quality bio-organic fertilizers, realize the high yield, high quality and high efficiency of the radix glehniae, and improve the excessive application of the fertilizer.
With the rapid development of the Chinese medicine industry, the production and processing scale of Chinese medicines is gradually increased, and the generated Chinese medicine dregs are increased day by day. Because of the influence of various factors such as technology, fund, and the like, the traditional Chinese medicine waste residue is simple and rough to process, thereby not only causing resource waste, but also bringing about serious environmental pollution.
Disclosure of Invention
The invention aims to provide an indigowoad root decoction dreg bio-organic fertilizer suitable for radix glehniae and a preparation method thereof, and particularly relates to a bio-organic fertilizer suitable for growth of the radix glehniae.
The technical scheme for realizing the aim of the invention is as follows:
the invention relates to an isatis root decoction dreg bio-organic fertilizer suitable for radix glehniae, which is prepared from the following raw materials in parts by weight:
12-17 parts of isatis root dregs, 50-55 parts of cow dung, 14-18 parts of grass ash, 15-20 parts of rice hull powder, 1-2 parts of calcium superphosphate, 0.5-1 part of microbial agent, 2-4 parts of urea and 3-4 parts of poly gamma glutamic acid;
the microbial agent is a potassium bacteria dissolving agent.
The invention relates to a preparation method of an isatis root decoction dreg bio-organic fertilizer suitable for radix glehniae, which comprises the following steps:
s1, mixing the isatis root traditional Chinese medicine waste residue, the cow dung, the grass ash, the rice hull powder and the calcium superphosphate uniformly according to a ratio, adjusting a C/N ratio to be 30.
S2, stacking the obtained fermented products at 1.44m 3 And fermenting in a compost box.
And S3, measuring the temperature in the compost box at a depth of 30cm by using a thermometer, turning the compost once when the temperature rises to 60 ℃, turning the compost once every 5-6 days later, fermenting for 42 days, and keeping the temperature of the compost box from rising.
And S4, adding a proper amount of poly-gamma-glutamic acid after fermentation is finished, and uniformly mixing for later use.
And S5, drying the fermented material after fermentation to ensure that the moisture content is below 18%, and crushing the dried fermented material by a crusher to obtain the fertilizer.
Further, the method for judging the water content of about 60% in the preparation method of the invention comprises the following steps: after the mixture is kneaded into a ball by hand, water accumulation is observed among fingers, and a small amount of water drops are scattered when falling to the ground.
Further, in the preparation method, the bottom of the compost box is provided with an air inlet which is connected with a silica gel tube and an air pump to aerate the compost body.
The invention has the beneficial effects that: the fertilizer disclosed by the invention mainly utilizes the water content of the traditional Chinese medicine isatis root dregs which is generally 55-75%, so that the defect that cow dung can be fermented only by adding water is solved, the waste of resources is reduced, the utilization rate of the traditional Chinese medicine dregs is improved, and the fertilizer has important significance for the virtuous circle development of the traditional Chinese medicine industry. The isatis root still contains part of medicinal components with antibacterial and detoxifying effects after being extracted, and the organic fertilizer prepared by the isatis root is applied to the radix glehniae, so that harmful microorganisms in roots of the radix glehniae can be obviously eliminated, the soil microenvironment is improved, and the occurrence of plant diseases and insect pests is further reduced. The fertilizer has a deodorizing effect by utilizing the calcium superphosphate, and can reduce odor generated in the fermentation process after the calcium superphosphate is added, so that secondary pollution is avoided. The rice hull powder can release nitrogen, phosphorus, potassium, calcium, silicon, sulfur and other trace elements required by plants in the process of rotting, and is also a source of humus, so that the soil can be improved; and the rice hull powder particles are slower in decay, and are added into the soil to improve the soil structure, so that the soil is loose and breathable, the water absorption is improved, and the rice hull powder particles are particularly beneficial to enhancing the respiration of crop roots, namely the roots of the north sea cucumber, and absorbing moisture and nutrient substances. The poly-gamma-glutamic acid can effectively balance the pH value of soil and avoid acidic soil caused by long-term use of chemical fertilizers. The method processes and prepares the traditional Chinese medicine waste residue, cow dung, grass ash, rice hull powder, calcium superphosphate and poly gamma glutamic acid into the bio-organic fertilizer which is applied to the radix glehniae, so that the content of coumarin and polysaccharide in the bio-organic fertilizer is obviously improved, and the quality of the radix glehniae is obviously improved. The test data show that the yield and the economic benefit of the radix glehniae are obviously increased compared with the application of fertilizer and the application of fertilizer respectively, and the improvement is very obvious. Therefore, the invention is a special biological fertilizer which is very suitable for the radix glehniae and is worthy of great popularization and use.
Detailed Description
The present invention will be described in further detail with reference to specific examples. It should be apparent that the described embodiments are only some of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example 1:
an isatis root residue bio-organic fertilizer suitable for radix glehniae is prepared from the following raw materials in parts by weight: 12 parts of isatis root dregs, 50 parts of cow dung, 14 parts of plant ash, 15 parts of rice hull powder, 1 part of calcium superphosphate, 0.5 part of microbial agent, 2 parts of urea and 3 parts of poly-gamma-glutamic acid.
The preparation method comprises the following steps:
s1, uniformly mixing traditional Chinese medicine isatis root dregs, cow dung, plant ash, rice hull powder and calcium superphosphate according to the proportion, adjusting the C/N ratio to be 30.
S2, stacking the obtained fermented products at 1.44m 3 Fermenting in a compost box.
And S3, measuring the temperature in the 30cm deep position in the compost bin by using a thermometer, turning the compost once when the temperature rises to 60 ℃, turning the compost once every 5 to 6 days later, fermenting for 42 days, and keeping the temperature of the compost bin not rising any more.
And S4, adding a proper amount of poly-gamma-glutamic acid after fermentation is finished, and uniformly mixing for later use.
And S5, drying the fermented material after fermentation to ensure that the moisture content is below 18%, and crushing the dried fermented material by a crusher to obtain the fertilizer.
Example 2:
an isatis root residue bio-organic fertilizer suitable for radix glehniae is prepared from the following raw materials in parts by weight: 15 parts of isatis root dregs, 53 parts of cow dung, 16 parts of grass ash, 16 parts of rice hull powder, 1.5 parts of calcium superphosphate, 0.7 part of microbial agent, 3 parts of urea and 3.5 parts of poly-gamma-glutamic acid.
The preparation method comprises the following steps:
s1, uniformly mixing traditional Chinese medicine isatis root dregs, cow dung, plant ash, rice hull powder and calcium superphosphate according to the proportion, adjusting the C/N ratio to be 30.
S2, stacking the obtained fermented products at 1.44m 3 Fermenting in a compost box.
And S3, measuring the temperature in a 30cm deep position in the compost box by using a thermometer, turning the compost once when the temperature rises to 60 ℃, turning the compost once every 5-6 days later, fermenting for 42 days, and keeping the temperature of the compost box from rising.
And S4, adding a proper amount of poly-gamma-glutamic acid after fermentation is finished, and uniformly mixing for later use.
And S5, drying the fermented material after fermentation to ensure that the moisture content is below 18%, and crushing the dried fermented material by a crusher to obtain the fertilizer.
Example 3:
an isatis root residue bio-organic fertilizer suitable for radix glehniae is prepared from the following raw materials in parts by weight: 17 parts of isatis root dregs, 55 parts of cow dung, 18 parts of plant ash, 20 parts of rice hull powder, 2 parts of calcium superphosphate, 1 part of microbial agent, 4 parts of urea and 4 parts of poly-gamma-glutamic acid.
The preparation method comprises the following steps:
s1, uniformly mixing traditional Chinese medicine isatis root dregs, cow dung, plant ash, rice hull powder and calcium superphosphate according to the proportion, adjusting the C/N ratio to be 30.
S2, stacking the obtained fermented products at 1.44m 3 Fermenting in a compost box.
And S3, measuring the temperature in a 30cm deep position in the compost box by using a thermometer, turning the compost once when the temperature rises to 60 ℃, turning the compost once every 5-6 days later, fermenting for 42 days, and keeping the temperature of the compost box from rising.
And S4, adding a proper amount of poly-gamma-glutamic acid after fermentation is finished, and uniformly mixing for later use.
And S5, drying the fermented material after fermentation to ensure that the moisture content is below 18%, and crushing the dried fermented material by a crusher to obtain the fertilizer.
The experimental scheme for comparing the using effect of the biological fertilizer and the result analysis are as follows:
1. materials and methods
1.1 Test materials
The raw material of the glehnia littoralis is purchased from a certain medicinal material market in Hebei and is identified as the plant glehnia littoralis of the family UmbelliferaeGlehnia littoralisDry root from fr, schmidt ex miq; the radix isatidis dregs come from a certain pharmaceutical enterprise in Hebei; the cow dung comes from a certain cattle farm in Hebei; the microbial agent is the optimal potassium bacteria decomposing agent (Microbioscience, inc., guangzhou city); poly gamma glutamic acid (biological science and technology limited, shanxi, huatian); the nitrogen fertilizer is urea (Henan Yanghua chemical Co., ltd., pure nitrogen content is more than or equal to 46.3%); the phosphate fertilizer is calcium superphosphate (Shanghai Mingyi chemical group Co., ltd., containing phosphorus pentoxide (P) 2 O 5 ) Not less than 12% -18%); the potassium fertilizer is potassium sulfate (Shandong Qingshang chemical Co., ltd., containing potassium oxide (K) 2 O) is more than or equal to 50 percent); grass ash and rice hull powder are commercially available.
The main instruments Agilent 1200 high performance liquid chromatograph (VWD detector, agilent corporation of America), 752PC type ultraviolet visible spectrophotometer (Shanghai spectrometer device Co., ltd.), digital display air-blast drying box (Shanghai Sheng started instruments and meters Co., ltd.), L600 low speed automatic balance centrifuge (Changshan Xiang instruments and meters Co., ltd.), METTLER TOLEDO one in ten thousand electronic balance, thousandth electronic balance (Shanghai precision scientific instruments Co., ltd.), numerical control ultrasonic extractor (JinningTianhua ultrasonic electronics Co., ltd.), KQ3200DE type numerical control ultrasonic cleaner (Qunshan ultrasonic instruments Co., ltd.), conical flask, filter paper and the like.
The main reagents are glucose reference substance (batch number: HVOD-FZ3K, china institute for biological products of medicine, purity > 99%), psoralen reference substance (batch number: PR1173, china institute for biological products of medicine, purity > 98%), imperatorin reference substance (batch number: YJ-110826, china institute for biological products of medicine, purity > 98%), isoimperatorin reference substance (batch number: MS0012, china institute for biological products of medicine, purity > 98%), methanol is chromatographically pure, ether is analytically pure, water is high-purity water, and the rest reagents are analytically pure.
1.2 preparation of the bio-organic fertilizer, see above.
1.3 general overview of the test site
The soil quality of the test soil is brown soil, the thickness of an effective soil layer is 57 cm, the organic matter content of the soil is 3.42 percent, the annual average temperature is 0-12 ℃, and the annual average rainfall is 600 mm. Fertile soil, fresh air, no external pollution and no biological invasion.
1.4 design of the experiment
A random block test design is adopted, 4 treatments are set, 3 times of repetition are carried out, and the area of each cell is 10 square meters. No fertilizer application (CK); the invention relates to a biological organic fertilizer (T1); biological organic fertilizer, fertilizer =1 (T2); single fertilizer application (T3). The nitrogen, phosphorus and potassium dosage of each fertilization treatment is consistent, and each 667 m of the fertilization treated fertilizers are used as standard 2 N80 kg of P was administered 2 O 5 80 kg,K 2 And O60 kg is the locally recommended fertilizing amount, and the application amount of the biological organic fertilizer is calculated according to the value of the compound fertilizer and the like. All the treated fertilizers are applied as base fertilizers, and the cultivation management modes are the same except for different types of applied fertilizers. In order to avoid mutual influence of water and fertilizer among cells, cement bricks are used for isolating among the cells.
1.5 measurement method
Polysaccharide: respectively and accurately weighing 50.0 mg of each of 3 parts of radix glehniae powder, placing the powder in a 50 mL volumetric flask, and shaking up to obtain a sample solution. Precisely absorbing 2 mL of the sample liquid into 15 mL test tubes with plugs, simultaneously taking 2 mL of distilled water as blank, respectively adding 1 mL of 5% phenol solution and 5 mL of concentrated sulfuric acid into each test tube, shaking up immediately, boiling in a water bath for 15 min, cooling in a water bath for 30 min, measuring the light absorption value at 490 nm by using a visible spectrophotometer, and calculating the polysaccharide content by using a standard curve.
Coumarin: accurately weighing 3 parts of radix glehniae powder 5.0 g respectively, placing into a conical flask with a plug, adding 60 mL of diethyl ether, performing ultrasonic treatment for 45 min, centrifuging at 4000 r/min for 30 min, collecting supernatant, and evaporating to dryness at 40 ℃. Dissolving the residue with chromatographic methanol, diluting to desired volume in 2.5 mL centrifuge tube, centrifuging at 12000 r/min at 4 deg.C for 15 min, collecting supernatant, and filtering with 0.45 μm microporous membrane to obtain test solution. Precisely absorbing 5 mu L of sample solution in a mobile phase of methanol-water at a flow rate: 1.0 mL/min, detection wavelength: 250 nm, column temperature: the analysis was carried out at 30 ℃ detection conditions.
Each measurement index was repeated 3 times, and the average value was taken.
1.6 data processing
Statistical analysis of data is carried out by SPSS23.0 software, and the measured data are expressed in x + -s and are obtained bytInspection, the count data is expressed in% and x is used 2 Inspection of P<A difference of 0.05 is statistically significant.
2. Results and analysis
2.1 Effect of different fertilization treatments on the content of coumarin and polysaccharide from radix Glehniae
TABLE 1 Effect of different fertilization treatments on the content of coumarin and polysaccharide from radix Glehniae
Figure 96890DEST_PATH_IMAGE001
Note: different letters indicate significant differences between treatment groups by multiple comparison of LSD (P < 0.05), as follows.
As can be seen from Table 1, the content of psoralen, imperatorin, isoimperatorin and polysaccharide in the radix glehniae treated by different fertilizers is different from that of CK to reach a significant level (P < 0.05). The T (biological fertilizer) 1 treatment group has the largest influence on the content of coumarin, the content of psoralen is increased by 0.00115 mg/g compared with CK, the content of imperatorin is increased by 0.00071mg/g compared with CK, and the content of isoimperatorin is increased by 0.00075 mg/g compared with CK; the influence of different fertilization treatments on the polysaccharide content is sequenced to T1> T2> T3> CK, which indicates that the content of coumarin and polysaccharide in radix glehniae of a treatment group (T1) applied with a biological organic fertilizer is high.
2.2 Effect of different fertilization treatments on economic traits of radix Glehniae
Figure 74684DEST_PATH_IMAGE002
Figure 57683DEST_PATH_IMAGE003
TABLE 2 influence of different fertilization treatments on economic traits of radix Glehniae
(A: yield, B: economic efficiency)
As can be seen from Table 2, different fertilization treatments can increase the yield and economic benefits of radix glehniae, and the differences between each treatment and CK reach significant levels. The highest yield of the T1 treatment group is 6950.48 kg hm -2 The lowest CK yield is 5283.37 kg hm -2 The T1 treatment group increased the yield by 31.55% compared with CK; economic benefit rank of T1>T2>T3 >CK, the economic benefit of the radix glehniae treated by applying the bio-organic fertilizer is the highest, and is 5167.88 yuan per hm -2 . The yield and economic benefit of the radix glehniae of the treatment group (T1) applying the bio-organic fertilizer are higher.
3. Conclusion
The water content of the traditional Chinese medicine dregs is generally 55-75%, so that the defect that cow dung can be fermented only by adding water is overcome, the waste of resources is reduced, the utilization rate of traditional Chinese medicine waste residues is improved, the living environment is improved, and the method has important significance for virtuous circle development of the traditional Chinese medicine industry; the isatis root has the effects of clearing heat, detoxifying, cooling blood and relieving sore throat, still contains part of medicinal components with antibacterial and antivirus effects after extraction, and experiments show that the isatis root can efficiently remove harmful microorganisms at the rhizosphere of the north sea cucumber, improve the microenvironment of soil and reduce the occurrence of plant diseases and insect pests; the calcium superphosphate has a deodorization effect, and odor generated in the fermentation process can be reduced after the calcium superphosphate is added, so that secondary pollution is avoided; the small rice hull powder particles are slowly rotten, and are added into the soil to improve the soil structure to play a role in loosening and ventilating, so that the roots of crops, namely the radix glehniae, can breathe and absorb moisture; the poly-gamma-glutamic acid has excellent buffering capacity on acid and alkali, can effectively balance the acid-base value of soil, and avoids acidic soil quality caused by long-term use of chemical fertilizers; the potash fertilizer is one of the important measures for promoting the growth of the coastal glehnia root and improving the yield, and the potassium-decomposing bacteria can decompose the inorganic minerals of insoluble aluminosilicate such as potassium feldspar, apatite and the like in the soil and improve the content of soluble potassium element in the soil. The method processes and prepares the traditional Chinese medicine waste residue, cow dung, grass ash, rice hull powder, calcium superphosphate and poly gamma glutamic acid into the bio-organic fertilizer which is applied to the radix glehniae, so that the content of coumarin and polysaccharide in the bio-organic fertilizer is obviously improved, and the quality of the radix glehniae is obviously improved; the yield and the economic benefit of the radix glehniae are respectively increased by 31.55 percent and 65.41 percent compared with CK.

Claims (4)

1. An isatis root decoction dreg bio-organic fertilizer suitable for radix glehniae is characterized in that: the biological organic fertilizer is prepared from the following raw materials in parts by weight: 12-17 parts of isatis root dregs, 50-55 parts of cow dung, 14-18 parts of grass ash, 15-20 parts of rice hull powder, 1-2 parts of calcium superphosphate, 0.5-1 part of microbial agent, 2-4 parts of urea and 3-4 parts of poly gamma glutamic acid;
the microbial agent is potassium bacteria.
2. The preparation method of the radix isatidis residue bio-organic fertilizer suitable for radix glehniae as claimed in claim 1, which is characterized by comprising the following steps: the method comprises the following steps:
s1, mixing isatis root dregs, cow dung, plant ash, rice hull powder and calcium superphosphate uniformly according to a ratio, adjusting a C/N ratio to be 30;
s2, stacking the obtained fermented products at 1.44m 3 Fermenting the compost box;
s3, measuring the temperature in a 30cm deep position in the compost box by using a thermometer, turning the compost once when the temperature rises to 60 ℃, turning the compost once every 5-6 days later, fermenting for 42 days, and keeping the temperature of the compost box from rising;
s4, adding a proper amount of poly-gamma-glutamic acid after fermentation is completed, and uniformly mixing for later use;
and S5, drying the fermented material after fermentation to ensure that the moisture content is below 18%, and crushing the dried fermented material by a crusher to obtain the fertilizer.
3. The preparation method of the radix isatidis residue bio-organic fertilizer suitable for radix glehniae as claimed in claim 2, which is characterized by comprising the following steps: the method for judging the water content of 60 +/-5 percent in the step S1 comprises the following steps: after the mixture is kneaded into a ball by hand, water accumulation is observed among fingers, and a small amount of water drops are scattered when falling to the ground.
4. The preparation method of the radix isatidis residue bio-organic fertilizer suitable for radix glehniae as claimed in claim 2, which is characterized by comprising the following steps: and S2, an air inlet is formed in the bottom of the compost box and is connected with a silicone tube, and the air inlet is connected with an air pump to aerate the compost.
CN202110816329.5A 2021-07-20 2021-07-20 Radix isatidis residue bio-organic fertilizer suitable for radix glehniae and preparation method thereof Active CN113480376B (en)

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