CN114075093A - Composting method for improving utilization of coffee pericarp - Google Patents
Composting method for improving utilization of coffee pericarp Download PDFInfo
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- CN114075093A CN114075093A CN202111211719.6A CN202111211719A CN114075093A CN 114075093 A CN114075093 A CN 114075093A CN 202111211719 A CN202111211719 A CN 202111211719A CN 114075093 A CN114075093 A CN 114075093A
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- 238000009264 composting Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000002689 soil Substances 0.000 claims abstract description 43
- 239000002361 compost Substances 0.000 claims abstract description 35
- 239000010410 layer Substances 0.000 claims abstract description 23
- 210000003608 fece Anatomy 0.000 claims abstract description 20
- 239000002985 plastic film Substances 0.000 claims abstract description 8
- 229920006255 plastic film Polymers 0.000 claims abstract description 8
- 238000009423 ventilation Methods 0.000 claims abstract description 8
- 239000002344 surface layer Substances 0.000 claims abstract description 5
- 241000167854 Bourreria succulenta Species 0.000 claims description 10
- 235000019693 cherries Nutrition 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000003337 fertilizer Substances 0.000 abstract description 30
- 230000000694 effects Effects 0.000 abstract description 7
- 239000002699 waste material Substances 0.000 abstract description 5
- 240000007154 Coffea arabica Species 0.000 description 49
- 244000221633 Brassica rapa subsp chinensis Species 0.000 description 25
- 235000010149 Brassica rapa subsp chinensis Nutrition 0.000 description 25
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- 238000011282 treatment Methods 0.000 description 11
- 150000001875 compounds Chemical class 0.000 description 9
- 239000000126 substance Substances 0.000 description 9
- RYYVLZVUVIJVGH-UHFFFAOYSA-N caffeine Chemical compound CN1C(=O)N(C)C(=O)C2=C1N=CN2C RYYVLZVUVIJVGH-UHFFFAOYSA-N 0.000 description 8
- 238000012545 processing Methods 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 5
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 229910052698 phosphorus Inorganic materials 0.000 description 5
- 239000011574 phosphorus Substances 0.000 description 5
- 239000011591 potassium Substances 0.000 description 5
- 229910052700 potassium Inorganic materials 0.000 description 5
- 235000000536 Brassica rapa subsp pekinensis Nutrition 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 4
- LPHGQDQBBGAPDZ-UHFFFAOYSA-N Isocaffeine Natural products CN1C(=O)N(C)C(=O)C2=C1N(C)C=N2 LPHGQDQBBGAPDZ-UHFFFAOYSA-N 0.000 description 4
- 229960001948 caffeine Drugs 0.000 description 4
- VJEONQKOZGKCAK-UHFFFAOYSA-N caffeine Natural products CN1C(=O)N(C)C(=O)C2=C1C=CN2C VJEONQKOZGKCAK-UHFFFAOYSA-N 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 235000015097 nutrients Nutrition 0.000 description 4
- 238000009331 sowing Methods 0.000 description 4
- 238000005904 alkaline hydrolysis reaction Methods 0.000 description 3
- 235000020564 organic coffee Nutrition 0.000 description 3
- 239000003895 organic fertilizer Substances 0.000 description 3
- 239000005416 organic matter Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 241001107098 Rubiaceae Species 0.000 description 2
- 239000002154 agricultural waste Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000035558 fertility Effects 0.000 description 2
- 230000004720 fertilization Effects 0.000 description 2
- 235000021022 fresh fruits Nutrition 0.000 description 2
- GZCWLCBFPRFLKL-UHFFFAOYSA-N 1-prop-2-ynoxypropan-2-ol Chemical compound CC(O)COCC#C GZCWLCBFPRFLKL-UHFFFAOYSA-N 0.000 description 1
- 102000013563 Acid Phosphatase Human genes 0.000 description 1
- 108010051457 Acid Phosphatase Proteins 0.000 description 1
- 108010046334 Urease Proteins 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- YYRMJZQKEFZXMX-UHFFFAOYSA-L calcium bis(dihydrogenphosphate) Chemical compound [Ca+2].OP(O)([O-])=O.OP(O)([O-])=O YYRMJZQKEFZXMX-UHFFFAOYSA-L 0.000 description 1
- 229910000389 calcium phosphate Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 235000019691 monocalcium phosphate Nutrition 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 235000010987 pectin Nutrition 0.000 description 1
- 229920001277 pectin Polymers 0.000 description 1
- 239000001814 pectin Substances 0.000 description 1
- 150000004965 peroxy acids Chemical class 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES 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
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
-
- 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
-
- 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
-
- 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Biotechnology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Molecular Biology (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a composting method for improving utilization of coffee pericarp, and belongs to the technical field of waste utilization. The method comprises the steps of laying a layer of fallen leaves on a selected land, adding coffee peels layer by layer from a bottom layer, alternately piling the coffee peels and cow dung into a trapezoid layer by layer, wherein the pile height is 0.8-1.2 m, watering, covering soil on the surface layer of compost, paving a plastic film outside the compost 5-7 days before the beginning in order to quickly increase the composting temperature, opening the plastic film after the composting temperature is higher than 50 ℃, setting a ventilation hole with a wooden stick after 5 days, turning over once every 20-25 days, piling for about three months, and composting when the coffee peels and the cow dung are not clear and completely rotten, have odor and are black in color. The method of the invention can realize the effective utilization of the coffee pericarp, simultaneously solve the problem of overhigh acidity of the coffee pericarp in the composting process and fully exert the effect of the coffee pericarp as fertilizer.
Description
Technical Field
The invention relates to a composting method for improving utilization of coffee pericarp, belonging to the technical field of waste utilization.
Background
Coffee (coffee) belongs to the genus Rubiaceae (Rubiaceae) coffee (coffeegenus), perennial evergreen shrubs or small trees, and is the top of the three major drinks in the world. The byproducts such as coffee pericarp and production residue obtained by coffee processing account for a large proportion in the coffee production process. Wherein, the single coffee pericarp accounts for 43-50% of the ripe fresh fruit, 1 ton pulp or pericarp can be produced when 1 ton pure coffee is produced, and the pericarp pectin waste accounts for 69% of the fresh fruit. These organic wastes have not been well utilized all the time, and most of them are directly discarded or directly applied to soil as farmyard manure, resulting in waste of resources. If the coffee pericarp, the fruit residues and some agricultural wastes are piled into fertilizer, the fertilizer is applied to the agricultural production process, the use of the fertilizer is reduced, and the weed growth can be effectively inhibited by covering the soil surface, so that the environmental pollution is reduced.
Composting is a process of decomposing organic substances which are difficult to utilize into available nutrients which are easy to absorb and utilize under the action of soil microorganisms. The composting is most simple and effective by utilizing a stacking method, and in consideration of the fertilizer efficiency of composting, a certain amount of animal excrement and plant residues can be added in the composting process, and the addition of the calcium superphosphate and the decomposed excrement can accelerate the composting and aging and influence the nitrogen release amount in the compost. For a long time, fertilization measures are important factors influencing soil quality and sustainable utilization, and the effect of applying organic compost on improving the basic physicochemical properties of soil and increasing soil nutrients is obvious. A large number of experimental research results show that the application of the organic fertilizer in the farmland can obviously improve the basic physicochemical properties of the soil and can also obviously improve the crop yield. In the application of sun Xu, Kongtao and the like in preparing organic fertilizer from agricultural wastes and in the cultivation of pakchoi, test results show that the application of the organic fertilizer can obviously promote the growth of the pakchoi and improve the quality of the pakchoi. Zhao Qingyun et al found that the overground part of the coffee seedling, the dry weight of the root system, the total root length, the diameter of the root system and the total volume of the root system of more than 5 percent (the mass ratio of the pericarp to the soil) of the coffee pericarp were significantly lower than those of the contrast treatment in the study of the influence of the application of the coffee pericarp on the growth of the coffee seedling and the physical and chemical properties of the soil; along with the increase of the application amount of the coffee pericarp, the growth vigor of the coffee seedlings is obviously deteriorated; by applying more than 5 percent of coffee pericarp, the contents of alkaline hydrolysis nitrogen, quick-acting phosphorus and quick-acting potassium nutrients and the activities of soil urease and acid phosphatase can be obviously increased, but the pH value of the soil is obviously reduced.
The Pu' er coffee has wide planting area, and a plurality of peels are generated in the coffee production and processing process. So far, few reports about the fertilizer utilization of coffee pericarp exist, and only a few coffee production factories stack the waste generated in the coffee processing production process into fertilizer in Puer local areas. The pH value of the caffeine peel is about 5.5-6.0 when the caffeine peel is too high in acidity, and the pH value of the caffeine peel is less than 5.0 when the caffeine peel is independently piled into fertilizer; in addition, in the composting process, the acidity is gradually increased, which is not beneficial to later use, so that a new composting method is urgently needed to be found.
Disclosure of Invention
The invention aims to provide a composting method for improving the utilization of coffee pericarp, which specifically comprises the following steps:
(1) laying a layer of fallen leaves on the selected land, adding coffee cherry peel and cow dung layer by layer from the bottom layer, and layering and alternately piling the coffee cherry peel and the cow dung into a trapezoid with the height of about 1 m;
(2) watering, covering a thin layer of soil on the surface layer of the compost, paving a plastic film outside the compost 5-7 days before the compost is started in order to quickly increase the composting temperature, opening the plastic film after the composting temperature is higher than 50 ℃, and setting a ventilation hole by using a stick after 5 days;
(3) turning over once every 20-25 days, and composting when coffee pericarp and cow dung are not clear and are completely rotten, have odor and are about black in color (about three months generally).
Preferably, the thickness of the deciduous leaf layer is 5-7 cm, the thickness of the coffee pericarp is 10-15 cm, and the thickness of the cow dung is 10-15 cm.
Preferably, the amount of water added in step (2) of the present invention is measured by water content every 15 days, and water is supplied to maintain the water content between 60% and 70%.
Preferably, the method for setting up the ventilation holes in the step (3) of the invention comprises the following steps: the sharp wooden sticks are directly inserted into the deep part of the compost about one meter, the wooden sticks are taken away in the next day, and the ventilation openings are sealed after four to five days.
The invention has the beneficial effects that:
(1) because the pH value is about 5.0 after simple composting treatment of the individual coffee shells is found in earlier investigation, the acidity of the fertilizer is increased after long-term application, soil acidification is intensified, and the problems of fertility of cow dung and convenience in cow dung material acquisition are considered, the problem of peracid in coffee pericarp composting is reduced while soil fertility is increased by combined application.
(2) Before spring, the composting time is dry in the weather and the temperature is too low, so water, soil covering and film covering are used for warming and moisturizing.
(3) The operability is strong, and the operation is simple.
Drawings
FIG. 1 is a graph of organic matter content of soil treated in different growth periods;
FIG. 2 is a graph showing the content of alkaline-hydrolyzable nitrogen in soil treated in different growth periods;
FIG. 3 is a graph showing the content of available phosphorus in soil treated in different growth periods;
FIG. 4 is a graph showing the content of available potassium in soil treated in different growth periods;
FIG. 5 pH of soil treated at different growth stages
Detailed Description
The present invention is further described in detail with reference to the following specific examples, but the scope of the present invention is not limited to the above description.
Test sites of the embodiment of the invention: the soil used in the experiment is collected from the surface layer of an experiment base of the Puer college of agriculture and forestry 0-20 cm in 2018, 5 months and 31 days in a greenhouse and a pot experiment of the Puer college,
test soil and fertilizer: the tested soil is red soil, the soil viscosity is high, the water retention capacity is strong, and the basic soil farming and chemical properties are as follows: the organic matter content is 4.06g/kg, the quick-acting potassium content is 38.26mg/kg, the quick-acting phosphorus content is 16.63mg/kg, the alkaline hydrolysis nitrogen content is 41.26g/kg, and the pH value is 4.84.
The tested crop is Chinese cabbage No. 7
Example 1
(1) Laying a layer of fallen leaves on the selected land, adding coffee cherry peel and cow dung layer by layer from the bottom layer, and layering and alternately piling the coffee cherry peel and the cow dung into a trapezoid with the height of 0.8-1.2 m;
(2) watering, covering a thin layer of soil on the surface layer of the compost, paving a plastic film outside the compost 5-7 days before the compost is started in order to quickly increase the composting temperature, opening the plastic film after the composting temperature is higher than 50 ℃, and setting a ventilation hole by using a wooden stick after 5 days.
(3) Turning over once every 20-25 days, composting for about three months, and composting when the coffee cherry peel and the cow dung are not clear and are completely rotten, have odor and are about black in color.
Table 1 shows a new weight data table of the pakchoi treated in different growth periods, and soil 2 shows a dry weight data table of the pakchoi treated in different growth periods, so that the application of organic coffee pericarp compost (coffee pericarp and cow dung compost) to the pakchoi can significantly improve the new weight and the dry weight of the pakchoi, the application of the organic coffee pericarp compost + the cow dung compost to the pakchoi can significantly improve the new weight and the dry weight of the pakchoi, the application of the organic coffee pericarp compost + the compound fertilizer to the pakchoi can achieve the second purpose, and the application of the compound fertilizer to the pakchoi can achieve the lowest new weight and dry weight of the pakchoi can achieve the blank treatment.
FIG. 1 is a graph of organic matter content of soil treated in different growth periods, and FIG. 2 is a graph of alkaline-hydrolyzable nitrogen content of soil treated in different growth periods; FIG. 3 is a graph showing the content of available phosphorus in soil treated in different growth periods; FIG. 4 is a graph showing the content of available potassium in soil treated in different growth periods; the difference between different lower case letters in the same row represents treatment is obvious, and the difference between different upper case letters represents difference is extremely obvious; from fig. 1 to fig. 4, it can be seen that when the organic compost of the coffee pericarp (meaning only the compost of the coffee pericarp and the cow dung), the compost of the coffee pericarp and the compound fertilizer (meaning the compost of the coffee pericarp, the cow dung and the compound fertilizer in the invention) and the compound fertilizer are applied, the contents of soil organic matters, alkaline hydrolysis nitrogen, available phosphorus and available potassium can be obviously improved, but the contents of nutrients in the compost of the coffee pericarp and the compound fertilizer are higher.
FIG. 5 shows the pH values of soils treated in different growth stages, wherein different lower case letters show significant differences among treatments and different upper case letters show significant differences. As can be seen from fig. 5, the difference in pH between treatments 20 days after the sowing of the pakchoi and 60 days after the sowing was not significant, and the difference in pH between treatments was significant at 40 days after the sowing of the pakchoi. After 40 days of sowing, compared with the original planting soil, the pH values of the fertilizer, the coffee pericarp and the fertilizer compost are respectively increased by 0.23, 0.01, 0.6 and 0.74 without applying the fertilizer, and according to the analysis of a diagram, the pH value of the soil is increased by applying the coffee pericarp and the coffee pericarp organic compost, and the pH value of the soil can be adjusted to a certain degree.
The application of the organic compost of the coffee pericarp and the pericarp can obviously improve the yield of the pakchoi, although the improvement effect of part of the basic physicochemical properties of the soil is lower than that of the application of the coffee pericarp compost and the chemical fertilizer, the experiment proves that the best adjustment of the acidity of the soil is the application of the coffee pericarp compost and the chemical fertilizer, and the effect of increasing each basic physicochemical index of the soil is incomparable to that of the single application of the compound chemical fertilizer; the effect of single application of the compound fertilizer on increasing the basic physicochemical indexes of the soil part is not obvious.
And (3) carrying out different fertilization treatments on the growth amount data of the pakchoi:
TABLE 1 fresh weight data table for each single plant of Chinese cabbage treated differently in each growth period
Note that the difference between different lower case letters in the same row represents the processing is significant, and the difference between different upper case letters represents the processing is extremely significant.
As can be seen from Table 1, the differences between the fresh weights of the individual plants of the pakchoi in different treatments after the pakchoi is sowed are obvious, and the differences between the blank treatment, the single fertilizer application and the coffee organic compost are extremely obvious.
TABLE 2 data table of dry weight of individual plantlets of Chinese cabbage treated differently in each growth period
Note that the difference between different lower case letters in the same row represents the processing is significant, and the difference between different upper case letters represents the processing is extremely significant.
As can be seen from Table 2, the fertilizer application treatment increased the dry weight of each individual Chinese cabbage, and the effect of applying coffee organic compost was most obvious. On the whole, the growth speed of the pakchoi which is applied with the organic compost of the coffee pericarp and the pericarp is the fastest, the yield is the largest, then the coffee pericarp and the pericarp compost which is applied with the chemical fertilizer is the second, the yield of the pakchoi which is processed is obviously higher than that of the pakchoi which is not applied with the chemical fertilizer, and finally, the chemical fertilizer is applied singly: the yield of the single-application compound fertilizer is slightly higher than that of the non-application fertilizer.
Claims (4)
1. A composting method for improving the utilization of coffee pericarp is characterized by comprising the following steps:
(1) laying a layer of fallen leaves on the selected land, adding coffee cherry peel and cow dung layer by layer from the bottom layer, and layering and alternately piling the coffee cherry peel and the cow dung into a trapezoid with the height of 0.8-1.2 m;
(2) watering, covering a layer of soil on the surface layer of the compost, paving a plastic film outside the compost 5-7 days before the start, opening the plastic film after the temperature of the compost is higher than 50 ℃, and setting a ventilation hole by using a stick after 5 days;
(3) turning over once every 20-25 days, and composting when coffee pericarp and cow dung are not clear and are completely rotten, smelly and about black in color.
2. A composting method for improving the utilisation of the coffee cherry peels as claimed in claim 1 wherein: the thickness of the fallen leaf layer is 5-7 cm, the thickness of the coffee pericarp is 10-15 cm, and the thickness of the cow dung is 10-15 cm.
3. A composting method for improving the utilisation of the coffee cherry peels as claimed in claim 1 wherein: the adding amount of water in the step (2) is as follows: keeping the moisture content of the compost between 60% and 70%.
4. A composting method for improving the utilisation of the coffee cherry peels as claimed in claim 1 wherein: the method for setting up the ventilation holes in the step (3) comprises the following steps: the sharp wooden sticks are directly inserted into the deep part of the compost about one meter, the wooden sticks are taken away in the next day, and the ventilation openings are sealed after four to five days.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114874039A (en) * | 2022-05-18 | 2022-08-09 | 普洱学院 | Organic fertilizer for coffee pericarp and preparation method thereof |
| CN115322034A (en) * | 2022-08-23 | 2022-11-11 | 中国热带农业科学院香料饮料研究所 | Coffee peel composting method and application thereof |
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| CN108129208A (en) * | 2018-02-01 | 2018-06-08 | 云南省农业科学院热带亚热带经济作物研究所 | A kind of sweet orange bio-organic fertilizer special and preparation method thereof and method of administration |
| CN109879682A (en) * | 2019-03-15 | 2019-06-14 | 中国科学院南京土壤研究所 | A kind of method of interior ventilation heat and moisture preserving method depth fermentation organic fertilizer |
| CN110002906A (en) * | 2019-05-23 | 2019-07-12 | 云南省德宏热带农业科学研究所 | Coffee skin residue organic fertilizer preparation method |
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2021
- 2021-10-18 CN CN202111211719.6A patent/CN114075093A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108059494A (en) * | 2018-02-01 | 2018-05-22 | 云南省农业科学院热带亚热带经济作物研究所 | A kind of crystal shaddock fruit retention fertilizer and preparation method and application |
| CN108129208A (en) * | 2018-02-01 | 2018-06-08 | 云南省农业科学院热带亚热带经济作物研究所 | A kind of sweet orange bio-organic fertilizer special and preparation method thereof and method of administration |
| CN109879682A (en) * | 2019-03-15 | 2019-06-14 | 中国科学院南京土壤研究所 | A kind of method of interior ventilation heat and moisture preserving method depth fermentation organic fertilizer |
| CN110002906A (en) * | 2019-05-23 | 2019-07-12 | 云南省德宏热带农业科学研究所 | Coffee skin residue organic fertilizer preparation method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114874039A (en) * | 2022-05-18 | 2022-08-09 | 普洱学院 | Organic fertilizer for coffee pericarp and preparation method thereof |
| CN115322034A (en) * | 2022-08-23 | 2022-11-11 | 中国热带农业科学院香料饮料研究所 | Coffee peel composting method and application thereof |
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Application publication date: 20220222 |