CN109682933A - It is a kind of for detecting the wide-mouth bottle and detection method of organic fertilizer water content or bulk density or rotten degree - Google Patents
It is a kind of for detecting the wide-mouth bottle and detection method of organic fertilizer water content or bulk density or rotten degree Download PDFInfo
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- CN109682933A CN109682933A CN201910097851.5A CN201910097851A CN109682933A CN 109682933 A CN109682933 A CN 109682933A CN 201910097851 A CN201910097851 A CN 201910097851A CN 109682933 A CN109682933 A CN 109682933A
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- 239000003895 organic fertilizer Substances 0.000 title claims abstract description 98
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 238000001514 detection method Methods 0.000 title claims abstract description 26
- 238000001035 drying Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 239000006228 supernatant Substances 0.000 claims description 8
- 210000003608 fece Anatomy 0.000 claims description 6
- 238000007873 sieving Methods 0.000 claims description 4
- 238000005303 weighing Methods 0.000 claims description 4
- 230000004438 eyesight Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 2
- 238000001291 vacuum drying Methods 0.000 abstract description 2
- 238000007605 air drying Methods 0.000 abstract 1
- 239000003337 fertilizer Substances 0.000 description 5
- 230000007226 seed germination Effects 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 239000010871 livestock manure Substances 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 241000220259 Raphanus Species 0.000 description 2
- 235000006140 Raphanus sativus var sativus Nutrition 0.000 description 2
- 241000282898 Sus scrofa Species 0.000 description 2
- 239000002361 compost Substances 0.000 description 2
- 238000002405 diagnostic procedure Methods 0.000 description 2
- 238000000855 fermentation Methods 0.000 description 2
- 230000004151 fermentation Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 241000287828 Gallus gallus Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000036387 respiratory rate Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 230000004584 weight gain Effects 0.000 description 1
- 235000019786 weight gain Nutrition 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- B01L3/508—Containers for the purpose of retaining a material to be analysed, e.g. test tubes rigid containers not provided for above
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
- G01N5/045—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder for determining moisture content
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/02—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/36—Analysing materials by measuring the density or specific gravity, e.g. determining quantity of moisture
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/02—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume
- G01N2009/022—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume of solids
- G01N2009/024—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume of solids the volume being determined directly, e.g. by size of container
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
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- Clinical Laboratory Science (AREA)
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- Fertilizers (AREA)
Abstract
It is a kind of to be related to the detecting instrument of organic fertilizer for detecting the wide-mouth bottle of organic fertilizer water content or bulk density or rotten degree, it is a kind of cylindrical wide-mouth bottle, body bottleneck equal diameter and diameter are 10.84cm, bottle height 10.84cm, the capacity of bottle are 1L, there is the ring of twice protrusion in the bottle wall below bottleneck.Using the wide-mouth bottle, water content, the bulk density, rotten degree of organic fertilizer can detect.When detecting water content, natural air drying is dried because volatile component content is low in organic fertilizer without the use of vacuum drying oven；When examining bulk density, because different weight and time is not significant to the determination influences of organic fertilizer sample bulk density, weighting material is not detected directly, because the bulk density that same organic fertilizer sample was sieved and dried two states is close, is not required to drying and is directly detected；When detecting rotten degree, directly carry out judging whether organic fertilizer is decomposed according to the bulging of sealing film.Detection method is simple for use, as a result more reliable accurate, is more advantageous to the interests of protection peasant.
Description
Technical field
The present invention relates to the detecting instrument of organic fertilizer and method, in particular to one kind can be used for detecting organic fertilizer aqueous
The wide-mouth bottle of amount or bulk density or rotten degree, while providing and detecting organic fertilizer water content or capacity or rotten degree using the instrument
Method.
Background technique
With the improvement of living standards, consumer proposes higher want to the planting environment of agricultural product, yield, mouthfeel
It asks.And the application of organic fertilizer, be conducive to keep and improve soil fertility, reduce fertilizer amount, improves crops quality and production
Amount.Organic fertilizer using increasingly extensive.Existing frequently-used organic fertilizer quality determining method, it is main according to organic fertilizer industry
Standard carries out.The technical indicator of organic fertilizer, the mainly matter of the mass fraction of organic matter, the mass fraction of total nutrient, moisture
Measure score, pH value.
Detection for organic fertilizer water content the, using " survey of free water content in GB/T 8576-2010 complex fertilizer
Determine Vacuum oven method ", sample be placed in 50 DEG C ± 2 DEG C, vacuum degree 6.4 × 104Pa~7.1 × 104Pa electric heating constant temperature vacuum it is dry
Dry 2h ± 10min in dry case.
Detection for organic fertilizer bulk density there is no clear, unified regulation.Usually refer to " NY/T 2118-2012
Vegetable seedling substrate " in Volume-weight Determination method detected.Matrix sample is uniformly fitted into the cutting ring for being cased with bottom cover, matrix
Amount of fill is slightly above cutting ring upper surface 2cm or so, is pressed in matrix with the roundel of quality 65g, roundel is removed after 3min, cut
Go to be higher by bottom on cutting ring more than matrix.
Detection for organic fertilizer rotten degree usually carries out physics, chemical and biological activity index qualitative, quantitative
Detection obtains result.Percentage of seedgermination and respiratory rate index, can be used as the foundation for judging organic fertilizer rotten degree.Wherein, CO2
Rate is released, is common index.The judgement of rate is released for CO2, commonly uses Polythene Bag diagnostic method, selects width 20cm, length
The Polythene Bag of 30cm is added 300g sample, air in bag is driven out of, is tightened with elastic tape, and 3~4 days in holding chamber, observation is poly-
Vinyl bag expansion status.It is not decomposed if swelled；It is decomposed if not heaving.CO2 releases rate when decomposed complete
Critical value is 120mg/kg/h, i.e. 0.066L/kg/h under room temperature.For decomposed incomplete state, the rate for discharging CO2 is general
In 0.066~0.783L/kg/h.Therefore, using Polythene Bag diagnostic method, it often will appear erroneous judgement, especially in decomposed
Later period but completely not decomposed sample, influence the reliability of result.
Organic fertilizer water content is detected, can be calculated by weighing the sample mass of certain volume；Detect organic fertilizer
When expecting bulk density, can directly it be carried out by the sample of certain volume；When detecting CO2 releasing rate, the change of certain volume can be passed through
Change to carry out.In summary, it is found that the detection of organic fertilizer water content, bulk density, and rate detection is released according to CO2
, can be on the basis of fixed volume when rotten degree, Lai Jinhang.The above various detection methods, not generally applicable detection are used
Instrument need to be equipped with different detecting instruments, more demanding for instrument and equipment, experiment condition, personnel's operative skill, and put into
More, the detection for being unfavorable for peasant uses.
Summary of the invention
The present invention provides a kind of general detecting instrument-wide-mouth bottle, has suitable for detection precisely in order to overcome above-mentioned deficiency
Machine fertilizer water content or bulk density or rotten degree.Specifically be implemented: one kind is for detecting organic fertilizer water content or bulk density
Or the wide-mouth bottle of rotten degree, it is a kind of cylindrical wide-mouth bottle, it is characterised in that body bottleneck equal diameter and diameter is 10.84cm,
Bottle height 10.84cm, the capacity of bottle are 1L, there is the ring of twice protrusion in the bottle wall below bottleneck.The setting of this bipassage ring, convenient for inspection
It seals and uses when survey.
Further, it is located on away from bottleneck 1.0cm for first, second is located at bottleneck 1.5cm.
Using the wide-mouth bottle, water content, bulk density and the rotten degree of organic fertilizer can detect.When detecting water content, natural wind
It is dry；And it because volatile component content is low in organic fertilizer, is dried without the use of vacuum drying oven.When examining bulk density, because of different weight
Not significant with determination influences of the time to organic fertilizer sample bulk density, weighting material is not detected directly；Because of same organic fertilizer
The bulk density of sample sieving and drying two states is close, is not required to drying and is directly detected.When detecting rotten degree, directly according to envelope
The bulging of mouth film carries out judging whether organic fertilizer is decomposed.
With the method for above-mentioned wide-mouth bottle detection organic fertilizer rotten degree, it is characterised in that follow these steps to operate:
(1) sample: the sample taken need to meet simultaneously following condition: 1. range estimation is in dark brown；2. without rancid smell；3. using hand
Sample is squeezed, soft fluffy state is replied in no liquid outflow naturally after release；4. stirring is mixed by organic fertilizer and clear water with 1:3 ratio
Even, after forty minutes, supernatant is in yellow；
(2) sample to be tested for meeting step (1) requirement is poured into 1L wide-mouth bottle, until being higher than bottleneck, is stood after five minutes,
The sample of high bottle outlet is pruned with plate, sample surfaces and bottleneck flush；
(3) interception length and width are all larger than the film of bottleneck diameter, and film side is continued to use rubber band or cord in wide-mouth then along bottleneck
Bottle twice interannular tightens, air tight, and bottle is put in shady place, stands 12~18 hours；
(4) observation film whether bulging, if there is bulging, then organic fertilizer is decomposed not exclusively, if there is not bulging,
Show that organic fertilizer is decomposed.
Further, in above-mentioned steps (3), the length and width for intercepting film are 1.5 times of bottleneck diameter.
With the method for above-mentioned wide-mouth bottle detection organic fertilizer water content, it is characterised in that follow these steps to operate:
(1) sample: the sample taken need to meet simultaneously following condition: 1. range estimation is in dark brown；2. without rancid smell；3. using hand
Sample is squeezed, soft fluffy state is replied in no liquid outflow naturally after release；4. stirring is mixed by organic fertilizer and clear water with 1:3 ratio
Even, after forty minutes, supernatant is in yellow；
(2) sample to be tested for meeting step (1) requirement is poured into 1L wide-mouth bottle, until being higher than bottleneck, is stood after five minutes,
The sample of high bottle outlet is pruned with plate, sample surfaces and bottleneck flush；
(3) organic fertilizer sample is poured out, it is fresh weighs organic fertilizer M；
(4) organic fertilizer sample is paved into about 1cm thickness, is placed in shady place natural drying, until squeezing sample with hand, returned after release
Recover lost eyesight aobvious weaken or without reply；
(5) it is dry to weigh air-dry sample mass M, calculate water content W:W=(fresh-M of M is dry)/M it is fresh × 100%, it is when W≤30%, then aqueous
Amount meets organic fertilizer professional standard.
With the method for above-mentioned wide-mouth bottle detection organic fertilizer bulk density, it is characterised in that follow these steps to operate:
(1) sample: the sample taken need to meet simultaneously following condition: 1. range estimation is in dark brown；2. without rancid smell；3. using hand
Sample is squeezed, soft fluffy state is replied in no liquid outflow naturally after release；4. stirring is mixed by organic fertilizer and clear water with 1:3 ratio
Even, after forty minutes, supernatant is in yellow；
(2) organic fertilizer sample 1kg is taken, about 1cm thickness is paved, is placed in shady place natural drying, until squeezing sample with hand, is unclamped
Obvious weaken or without reply is replied afterwards；
(3) by after air-dried organic fertilizer sample comminution, Φ 2mm sieve is crossed, the influence of water content, granularity to bulk density is avoided；
(4) it by the organic fertilizer after sieving, pours into 1L wide-mouth bottle, until being higher than bottleneck, stands after five minutes, it will be high with plate
The sample of bottle outlet is pruned, and sample surfaces and bottleneck flush, and the mass M for weighing organic fertilizer and bottle is closed, and weighs the mass M of bottle
Bottle calculates bulk density γ: γ=(- M bottles of M conjunction)/1000, and for cow dung organic fertilizer, otherwise γ should have less than 0.40 g/cm3
Adulterated behavior, other class organic fertilizer show that organic fertilizer is without adulterated behavior if γ is less than 0.70g/cm3.
When actually detected organic fertilizer, organic fertilizer rotten degree can be first detected, film is then torn, originally without another sampling
Just detectable water content；During the standing of detection organic fertilizer rotten degree, separately takes organic fertilizer sample to air-dry and carry out bulk density inspection
It surveys.
Wide-mouth bottle provided by the invention, convenient for organic fertilizer water content, bulk density and rotten degree detection.It being capable of low cost, letter
Just the rotten degree for detecting organic fertilizer improves the reliability of rotten degree detection by observing the bulging of sealing film；Pass through
The detection of bulk density can prevent the behavior for mixing soil weight gain；By the detection of water content, water content is easily estimated.Detection method
It is simple for use, it is as a result more reliable accurate, it is more advantageous to the interests of protection peasant.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Specific embodiment
Embodiment 1: it is a kind of for detecting the wide-mouth bottle of organic fertilizer water content or bulk density or rotten degree, it is a kind of cylinder
Wide-mouth bottle, body bottleneck equal diameter and diameter are 10.84cm, and bottle height 10.84cm, the capacity of bottle is 1L, the bottle wall below bottleneck
On have the ring of twice protrusion, be located on away from bottleneck 1.0cm for first, second is located at bottleneck 1.5cm.
Following embodiment uses rotten degree or the detection such as water content or bulk density of wide-mouth bottle progress organic fertilizer.
Embodiment 2: pig manure, sawdust, rice chaff are mixed, and add decomposed strain in 1.5% ratio, are then adjusted water content and are arrived
65%, compost fermentation.After 2 days, heap temperature is increased to 60 DEG C, turns over throwing for the first time.Later every 2 to 3 days turning and throwing onces sample on the 14th day.
Sample is brown；Without obvious stink；Sample is squeezed with hand, no liquid outflow is replied naturally after release；By organic fertilizer and clear water with
1:3 ratio, stirs and evenly mixs, and after forty minutes, supernatant is in faint yellow.Sample is poured into 1L wide-mouth bottle, until being higher than bottleneck, is stood
After five minutes, the sample of high bottle outlet is pruned with plate, sample surfaces and bottleneck flush.Intercept 1.5 times of length and width of bottleneck diameter
Film side is continued to use rubber band then along bottleneck and tightened by film.Bottle is put in shady place, stands 18 hours.Film rouses
It is swollen, show that organic fertilizer is decomposed not exclusively.Seed germination is carried out using radish seed, percentage of seedgermination is only 62.14%, is shown
Organic fertilizer is decomposed not exclusively.Testing result is accurate.
Embodiment 3: it to the organic fertilizer of compost fermentation in embodiment 2, samples within the 20th day.Sample is in dark brown；Odorless；
Sample is squeezed with hand, soft fluffy state is replied in no liquid outflow naturally after release；By organic fertilizer and clear water with 1:3 ratio, stirring is mixed
Even, after forty minutes, supernatant is in yellow.Sample is poured into 1L wide-mouth bottle, until being higher than bottleneck, is stood after five minutes, it will with plate
The sample of high bottle outlet is pruned, and sample surfaces and bottleneck flush.The film for intercepting 1.5 times of length and width of bottleneck diameter, then along bottle
Film side is continued to use rubber band and tightened by mouth.Bottle is put in shady place, stands 18 hours.Film does not expand, then shows have
Machine fertilizer is decomposed.Seed germination is carried out using radish seed, percentage of seedgermination 99.50% shows that organic fertilizer is decomposed complete
Entirely.Testing result is accurate.
Embodiment 4: 1 part of Swine manure is mailordered in the market.Wide-mouth bottle sealing film does not expand, and shows that this has
Machine fertilizer is decomposed.Film is torn, it is fresh to weigh organic fertilizer M.Organic fertilizer sample is poured out, about 1cm thickness is paved, is placed in yin
Liang Chu is spontaneously dried.Sample is squeezed to hand, without reply after release.It is dry to weigh air-dry sample mass M, calculates water content
26.73%, meet organic fertilizer professional standard.During bottled organic fertilizer sealing and standing, organic fertilizer sample 1kg, wind are separately taken
It is dry, after crushing, cross 2mm sieve.The organic fertilizer after sieving is poured into 1L wide-mouth bottle, until being higher than bottleneck, stand after five minutes,
The sample of high bottle outlet is pruned with plate, sample surfaces and bottleneck flush, and the mass M for weighing organic fertilizer and bottle is closed, and weigh
The mass M bottle of bottle calculates bulk density 0.58g/cm3, is less than 0.70g/cm3, shows that organic fertilizer is without adulterated behavior.
Embodiment 5: 1 part of cow dung organic fertilizer is mailordered in the market.Reference implementation example 4 calculates water content 35.12%, beyond organic
Fertilizer industry standard.0.52 g/cm3 of bulk density is greater than 0.40 g/cm3, is mixed with sandstone and river silt.
Embodiment 6: 1 part of chicken manure organic fertilizer is mailordered in the market.Reference implementation example 4 calculates water content 25.16%, meets organic
Fertilizer industry standard.0.43 g/cm3 of bulk density is less than 0.70g/cm3, shows that organic fertilizer is without adulterated behavior.
Claims (6)
1. a kind of is a kind of cylindrical wide-mouth bottle for detecting the wide-mouth bottle of organic fertilizer water content or bulk density or rotten degree,
It is characterized in that body bottleneck equal diameter and diameter is 10.84cm, bottle height 10.84cm, the capacity of bottle is 1L, the bottle wall below bottleneck
On have the ring of twice protrusion.
2. according to claim 1 for detecting the wide-mouth bottle of organic fertilizer water content or bulk density or rotten degree, feature
It is to be located on away from bottleneck 1.0cm for first, second is located at bottleneck 1.5cm.
3. the method for application wide-mouth bottle as claimed in claim 1 or 2 detection organic fertilizer rotten degree, it is characterised in that follow these steps
Operation:
(1) sample: the sample taken need to meet simultaneously following condition: 1. range estimation is in dark brown；2. without rancid smell；3. using hand
Sample is squeezed, soft fluffy state is replied in no liquid outflow naturally after release；4. stirring is mixed by organic fertilizer and clear water with 1:3 ratio
Even, after forty minutes, supernatant is in yellow；
(2) sample to be tested for meeting step (1) requirement is poured into 1L wide-mouth bottle, until being higher than bottleneck, is stood after five minutes,
The sample of high bottle outlet is pruned with plate, sample surfaces and bottleneck flush；
(3) interception length and width are all larger than the film of bottleneck diameter, and film side is continued to use rubber band or cord in wide-mouth then along bottleneck
Bottle twice interannular tightens, air tight, and bottle is put in shady place, stands 12~18 hours；
(4) observation film whether bulging, if there is bulging, then organic fertilizer is decomposed not exclusively, if there is not bulging,
Show that organic fertilizer is decomposed.
4. the method for detection organic fertilizer rotten degree according to claim 3, it is characterised in that in above-mentioned steps (3), cut
Take the length and width of film for 1.5 times of bottleneck diameter.
5. the method for application wide-mouth bottle as claimed in claim 1 or 2 detection organic fertilizer water content, it is characterised in that follow these steps
Operation:
(1) sample: the sample taken need to meet simultaneously following condition: 1. range estimation is in dark brown；2. without rancid smell；3. using hand
Sample is squeezed, soft fluffy state is replied in no liquid outflow naturally after release；4. stirring is mixed by organic fertilizer and clear water with 1:3 ratio
Even, after forty minutes, supernatant is in yellow；
(2) sample to be tested for meeting step (1) requirement is poured into 1L wide-mouth bottle, until being higher than bottleneck, is stood after five minutes,
The sample of high bottle outlet is pruned with plate, sample surfaces and bottleneck flush；
(3) organic fertilizer sample is poured out, it is fresh weighs organic fertilizer M；
(4) organic fertilizer sample is paved into about 1cm thickness, is placed in shady place natural drying, until squeezing sample with hand, returned after release
Recover lost eyesight aobvious weaken or without reply；
(5) it is dry to weigh air-dry sample mass M, calculate water content W:W=(fresh-M of M is dry)/M it is fresh × 100%, it is when W≤30%, then aqueous
Amount meets organic fertilizer professional standard.
6. the method for application wide-mouth bottle as claimed in claim 1 or 2 detection organic fertilizer bulk density, it is characterised in that follow these steps to grasp
Make:
(1) sample: the sample taken need to meet simultaneously following condition: 1. range estimation is in dark brown；2. without rancid smell；3. using hand
Sample is squeezed, soft fluffy state is replied in no liquid outflow naturally after release；4. stirring is mixed by organic fertilizer and clear water with 1:3 ratio
Even, after forty minutes, supernatant is in yellow；
(2) organic fertilizer sample 1kg is taken, about 1cm thickness is paved, is placed in shady place natural drying, until squeezing sample with hand, is unclamped
Obvious weaken or without reply is replied afterwards；
(3) by after air-dried organic fertilizer sample comminution, Φ 2mm sieve is crossed, the influence of water content, granularity to bulk density is avoided；
(4) it by the organic fertilizer after sieving, pours into 1L wide-mouth bottle, until being higher than bottleneck, stands after five minutes, it will be high with plate
The sample of bottle outlet is pruned, and sample surfaces and bottleneck flush, and the mass M for weighing organic fertilizer and bottle is closed, and weighs the mass M of bottle
Bottle calculates bulk density γ: γ=(- M bottles of M conjunction)/1000, and for cow dung organic fertilizer, otherwise γ should have less than 0.40 g/cm3
Adulterated behavior, other class organic fertilizer show that organic fertilizer is without adulterated behavior if γ is less than 0.70g/cm3.
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| CN201910097851.5A CN109682933A (en) | 2019-01-31 | 2019-01-31 | It is a kind of for detecting the wide-mouth bottle and detection method of organic fertilizer water content or bulk density or rotten degree |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112033850A (en) * | 2020-09-17 | 2020-12-04 | 青岛兴开环境科技有限公司 | Method for evaluating degree of decomposition of materials in fermentation tank in production process |
| CN112268830A (en) * | 2020-10-13 | 2021-01-26 | 蚌埠绿都秸秆生物科技有限公司 | Rapid sampling and detecting device for maturity degree in crop straw compost fermentation process |
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