CN107602262A - A kind of southern potato drip irrigation release and release control fertilizer and preparation method thereof - Google Patents
A kind of southern potato drip irrigation release and release control fertilizer and preparation method thereof Download PDFInfo
- Publication number
- CN107602262A CN107602262A CN201711069175.8A CN201711069175A CN107602262A CN 107602262 A CN107602262 A CN 107602262A CN 201711069175 A CN201711069175 A CN 201711069175A CN 107602262 A CN107602262 A CN 107602262A
- Authority
- CN
- China
- Prior art keywords
- parts
- release
- fertilizer
- drip irrigation
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Fertilizers (AREA)
Abstract
The invention discloses a kind of southern potato drip irrigation release and release control fertilizer, its preparing raw material is made up of following parts by weight component：40 60 parts of internal layer fertilizer, 35 especially layer controlled-release material；Wherein, internal layer fertilizer is prepared by following parts by weight component：20 30 parts of organic fertilizer, 20 30 parts of ammonium polyphosphate, 10 20 parts of urea, 10 20 parts of biochemical fulvic acid potassium, 15 parts of seaweeds, 13 parts of polyglutamic acid；Outer layer controlled-release material is prepared by following parts by weight component：Modified 20 30 parts of turf, 10 15 parts of chitin modified bentonite, 0.5 1 parts of water-loss reducer, 12 parts of acetic acid/sodium acetate buffer, 12 parts of lipase, 50 80 parts of water.Present invention also offers a kind of preparation method of southern potato drip irrigation release and release control fertilizer.The long-acting release of fertilizer of the present invention, meet the needs of potato whole growth period is to fertilizer, and increase production obvious.
Description
Technical field
The invention belongs to technical field of fertilizers, and in particular to a kind of southern potato drip irrigation release and release control fertilizer and its preparation side
Method.
Background technology
Potato strong adaptability, yield are high, are one of four generalized grain crops in the world.Southern region of China rice workspace is being received
After cutting rice, substantial amounts of Winter paddy field is in idle state, is particularly suitable for developing potato production, therefore potato sowing in recent years
Area expands rapidly.Potato is very strict to the demand of nutrient, ground leaves and stemses point and underground potato piece in growth course be present
Partial correlation, the growth of ground leaves and stemses point is to form the basis of yield, will if the mitogenetic long deficiency of ground leaves and stemses
Cause under ground portion potato wedge cannot be sufficient nutrition, and if the cauline leaf over growth of aerial part, will be with underground part
The potato wedge contention nutrient divided.
Therefore, during potato planting must according to both in different growth phases to nutrient different demands characteristic,
Different growth phases carry out the rational application of fertilizer, could obtain preferable economic benefit, this proposes strict requirements to fertilizer practice.
In addition, commonly used plastic film mulching cultivation in potato production at present, and supplied water using drip irrigation, although this is to improving ground
Temperature, ahead of time listing, Weed infestation is reduced, yield etc. is improved and serves positive role, but because covering with ground sheeting chased after to the later stage
Fertilizer brings difficulty, therefore the producer is typically all disposably to apply fertilizer before epiphragma, no longer top dressing later, so as to easily lead
Cause potato early stage nutrient in growth course to be present excessive, the problem of later stage nutrient deficiency, and then influence the yield of potato.
Therefore it is necessary to develop a kind of control released fertilizer special being applied under the Film mulch condition of drip irrigation of southern area.
The content of the invention
The invention provides a kind of southern potato drip irrigation release and release control fertilizer and preparation method thereof, solves horse in the prior art
The production of bell potato is disposably applied fertilizer typically before epiphragma using covering with ground sheeting and the planting type of drip irrigation, the producer, with
No longer top dressing afterwards, so as to cause manuring late difficult, and it is excessive early stage nutrient to be present in growth course, later stage nutrient deficiency
Problem, and then the problem of the yield of influence potato.
First purpose of the present invention is to provide a kind of southern potato drip irrigation release and release control fertilizer, and its preparing raw material is by following heavy
Measure the component composition of number：The internal layer fertilizer of 40-60 parts, the outer layer controlled-release material of 3-5 parts；
Wherein, the internal layer fertilizer is prepared by the component of following parts by weight：Organic fertilizer 20-30 parts, polyphosphoric acids
Ammonium 20-30 parts, urea 10-20 parts, biochemical fulvic acid potassium 10-20 parts, seaweeds 1-5 parts, polyglutamic acid 1-3 parts；
The outer layer controlled-release material is prepared by the component of following parts by weight：Modified turf 20-30 parts, chitosan change
Property bentonite 10-15 parts, water-loss reducer 0.5-1 parts, acetic acid/sodium acetate buffer 1-2 parts, lipase 1-2 parts, water 50-80 parts.
Preferably, the organic fertilizer is prepared by the component of following parts by weight：Agricultural residues powder 25-40 parts, bacterium
Chaff 5-10 parts, husky fluffy grass meal 5-10 parts, kelp residue 5-10 parts, feces of livestock and poultry 5-10 parts, EM bacteria agent 2-3 parts.
Preferably, living bacteria count >=10 in the EM bacteria agent9Individual/g.
Preferably, the water-loss reducer is acrylic acid-acrylamide copolymer, carboxymethylated cellulosic or soybean protein isolate
In one kind.
Preferably, the pH value of the acetic acid/sodium acetate buffer is 5.5, concentration 1mol/L.
Preferably, the enzyme activity of the lipase is 10000U/g.
Second object of the present invention is to provide a kind of preparation method of southern potato drip irrigation release and release control fertilizer, including following
Step：
Step 1, the preparation of internal layer fertilizer
Step 1.1, agricultural crop straw 25-40 parts, mushroom bran 5-10 parts, husky fluffy grass meal 5-10 parts, sea-tangle are weighed by weight
Slag 5-10 parts, feces of livestock and poultry 5-10 parts, EM bacteria agent 2-3 parts are standby；
Step 1.2, the agricultural crop straw weighed in step 1.1, mushroom bran, husky fluffy grass meal, kelp residue, feces of livestock and poultry are mixed
Close, obtain compound, into compound plus water, water tariff collection is then claimed in addition step 1.1 in 45-55%
The EM bacteria agent taken, fermented 10-12 days at 50-60 DEG C, by tunning drying to moisture content≤10% after fermentation, then
Crush, cross 40 mesh sieves, that is, obtain the organic fertilizer；
Step 1.3, the organic fertilizer 20-30 parts prepared in step 1.2, ammonium polyphosphate 20-30 parts, urine are weighed by weight
Plain 10-20 parts, biochemical fulvic acid potassium 10-20 parts, seaweeds 1-5 parts, polyglutamic acid 1-3 parts are standby；
Step 1.4, it is granulated after each raw material weighed in step 1.3 is well mixed, granulation, which finishes, obtains the internal layer
Fertilizer；
Step 2, the preparation of outer layer controlled-release material
Step 2.1, modified turf 20-30 parts, chitin modified bentonite 10-15 parts, water-loss reducer are weighed by weight
0.5-1 parts, acetic acid/sodium acetate buffer 1-2 parts, lipase 1-2 parts, water 50-80 parts are standby；
Step 2.2, crushed after the modification turf weighed in step 2.1 and chitin modified bentonite being mixed, then mistake
100 mesh sieves, obtain raw material powder；
Step 2.3, the water-loss reducer weighed in step 2.1 is added in the water that step 2.1 weighs, stands 1-2h, then
30-60min is stirred with 800r/min speed, obtains glue；
Step 2.4, in the glue raw material powder obtained in step 2.2 addition step 2.3 obtained, ultrasonic disperse 5-
15min, thick suspension is obtained, the acetic acid/sodium acetate buffer and fat weighed is added in step 2.1 into thick suspension
Fat enzyme, well mixed after activating 1-2h at 40-60 DEG C, activation, which finishes, obtains the outer layer controlled-release material；
Step 3, the preparation of southern potato drip irrigation release and release control fertilizer
Internal layer fertilizer made from step 1.4 is poured into heat drying rotary drum, rolls and is preheated to 70-80 DEG C, setting turn
Drum velocity of rotation is 50-60r/min, while obtained outer layer controlled-release material in step 2.4 is delivered into two-fluid through pressure-bearing form
Nozzle, and sprayed to after being atomized on the fertiliser granulates in rotary drum, temperature in rotary drum is risen to 80-100 DEG C after spraying
It is heating and curing, solidifies 5-10min, that is, obtain the southern potato drip irrigation release and release control fertilizer.
Preferably, obtained internal layer fertilizer is 2~3mm of particle diameter granular fertilizer in the step 1.4.
Preferably, the preparation method of the modified turf is as follows：
Sent after 1 part of nano-cellulose whisker, 2 parts of sodium carboxymethylcelluloses, 50 parts of water are mixed into 15min by weight
Enter and disperse 5min in ultrasonic cell disruptor, ultrasonic power 150W, be then spray-dried, add 50 parts of water ultrasonic disperses
30min, obtain pretreatment fluid；
5 parts of sodium hydroxides, 60 parts of water are stirred at 0 DEG C by weight, 4 parts of celluloses is then added and stirs to fibre
Plain complete swelling is tieed up, system clear is dispersed to using homogenizer, adds 20 parts of turfs, 1 part of calcium carbonate is uniformly dispersed, drop
After the hydrochloric acid reaction that adds 0.5 part of concentration to be 1mol/L is complete, 5 parts of above-mentioned pretreatment fluids stirring 10min are continuously added, stirring finishes
Filter, wash afterwards, vacuum drying, that is, obtaining being modified turf.
Preferably, the chitin modified preparation method for bentonite is as follows：
5 parts of chitosans are dissolved with the aqueous acetic acid that 100 parts of volume fractions are 5%, dissolving finishes to obtain chitosan solution,
Chitosan solution is mixed with 60 parts of bentonites, is tuned into homogeneous paste thing, pastel is placed in the micro-wave oven that power is 700W
Heat drying, dry finish obtain the chitin modified bentonite.
In the potato drip irrigation release and release control fertilizer of the present invention, internal layer fertilizer is by organic fertilizer, ammonium polyphosphate, urea, biochemical Huang
Rotten sour potassium, seaweeds and polyglutamic acid composition, the i.e. present invention comprehensively utilize organic fertilizer and inorganic fertilizer to promote the life of potato
It is long, compensate for being administered alone inorganic fertilizer cause in fertilizer nutrient can not be effectively absorbed by crop utilization, nitrogen, phosphorus, potassium etc. some
Chemical substance easily forms various chemical salinities by soil consolidation and accumulated in soil, so as to cause soil nutrient structural imbalance, thing
The problem of rationality shape is deteriorated, it is thus also avoided that nutrient needed for plant growth caused by organic fertilizer is administered alone is insufficient to ask
Topic.
Nitrogen compares shortage in soils in south china, therefore adds substantial amounts of ammonium polyphosphate and urea to supplement nitrogen source, together
When, ammonium polyphosphate, biochemical fulvic acid potassium can provide the nutrients such as the phosphorus potassium required for its growth to potato, especially
Biochemical fulvic acid potassium, in addition to the fulvic acid of high content, also rich in most amino required during potato growth
Sour, a variety of enzymes, carbohydrate (oligosaccharide, fructose etc.), protein, nucleic acid, humic acid, vitamin C, vitamin E and substantial amounts of B
The nutritions such as family vitamin.On the one hand seaweeds with husky fluffy grass synergy, can keep the pH stable of soil, on the other hand
Plant cell division can be promoted, promote the growth of potato rhizome；Polyglutamic acid energy enriched in nitrogen, phosphorus, potassium and trace element supply
Plant, utilization rate of fertilizer is improved, improve the yield and quality of potato, it can also promote the development of potato root system, increase root
The surface area of system.In addition, polyglutamic acid also has acid, the performance of alkali both sexes, can active balance soil PH.
Organic fertilizer is formed by agricultural crop straw, mushroom bran, husky fluffy grass meal, kelp residue, feces of livestock and poultry mixed fermentation, crops straw
A variety of nutrients are rich in stalk, mushroom bran, husky fluffy grass meal, kelp residue, feces of livestock and poultry, also containing various trace elements, after everfermentation
Enough nutrients can be provided to Soil Microorganism, moreover it is possible to accumulate for the nutrient needed for plant growth；In addition, soils in south china
General pH value is relatively low, and Sha Pengcao is in alkalescence after everfermentation, can reduce the overall acidity of soil, be advantageous to improvement soil ring
Border, improve soil pH value.
The present invention potato drip irrigation release and release control fertilizer in, institute's outer layer controlled-release material mainly by be modified turf, chitosan changes
Property bentonite and water-loss reducer composition, wherein, after chitin modified, chitosan molecule can be good at being inserted into bentonite
In bentonitic layer chain structure, be on the one hand advantageous to the formation of bentonite internal capillary, on the other hand can improve bentonite with
Binding ability between internal layer fertilizer.Turf obtains a certain degree of increase by its modified internal microcellular structure, therefore by
Containing abundant microcellular structure in the outer layer controlled-release material of modified turf and chitin modified bentonite composition, and in microcellular structure
A certain amount of water-loss reducer is also filled with, water-loss reducer can produce viscosity after meeting water, will be each during outer layer controlled-release material is prepared
Raw material is combined together, meanwhile, water-loss reducer can absorb water of hundred times equivalent to own wt, and after drip irrigation, water-loss reducer can largely be inhaled
The moisture being seeped into soil is received, and the moisture being absorbed to slowly is delivered in internal layer fertiliser granulates, internal layer fertiliser granulates are met
Aqueous fusion, then be gradually exuded to from the hole of outer layer controlled-release material in soil, provide nutrition for the growth of potato.
Compared with prior art, the beneficial effects of the present invention are：
1) southern potato drip irrigation release and release control fertilizer controlled-release effect provided by the invention is good, after, progressively discharges bell of going into action
Potato special fertilizer, the long-acting release of fertilizer is ensure that, meet the needs of potato whole growth period is to fertilizer.
2) as the decomposition of potato drip irrigation release and release control fertilizer of the present invention, release time extend, the utilization rate of fertilizer nutrient obtains
To raising, so as to reach the purpose for extending the fertilizer term of validity, promoting agricultural volume increase, only needed using the potato special fertilizer of the present invention
Using the growth demand that can once meet potato, so as to reduce the total amount of application of fertilizer, and increase production obvious, gained yield
Potato than applying common fertilizer averagely increases by more than 23%.
3) potato drip irrigation release and release control fertilizer of the invention has water retaining function, can effectively suppress moisture evaporation, reduce soil
The infiltration and loss of earth moisture, so as to increase farmland tillaging layer water capacity, WUEL is improved, increase production potato,
Section fertilizer.
4) potato drip irrigation release and release control fertilizer safety and environmental protection of the invention, nonpoisonous and tasteless, not Pollution Plant, soil and underground
Water.
Embodiment
In order that those skilled in the art more fully understand that technical scheme can be practiced, with reference to specific
The invention will be further described for embodiment, but illustrated embodiment is not as a limitation of the invention.
EM bacteria agent used is commercially available prod in the present invention, experimental method described in following each embodiments, such as without special theory
It is bright, it is conventional method.
Embodiment 1
A kind of southern potato drip irrigation release and release control fertilizer, its preparing raw material are made up of the component of following parts by weight：40 parts
Internal layer fertilizer, 5 parts of outer layer controlled-release material；
Wherein, internal layer fertilizer is prepared by the component of following parts by weight：20 parts of organic fertilizer, 30 parts of ammonium polyphosphate,
10 parts of urea, 10 parts of biochemical fulvic acid potassium, 1 part of seaweeds, 3 parts of polyglutamic acid；
Organic fertilizer is prepared by the component of following parts by weight：25 parts of agricultural residues powder, 5 parts of mushroom bran, husky fluffy grass meal 5
Part, 10 parts of kelp residue, 10 parts of feces of livestock and poultry, living bacteria count are 2 × 1092 parts of individual/g EM bacteria agent；
Outer layer controlled-release material is prepared by the component of following parts by weight：Modified 20 parts of turf, chitin modified swelling
2 parts of acetic acid/sodium acetate buffer that 15 parts of soil, 0.5 part of soybean protein isolate, pH value 5.5, concentration are 1mol/L, enzyme activity
Power is 10000U/g 50 parts of 1 part of lipase, water.
Specific preparation method is as follows：
Step 1, the preparation of internal layer fertilizer
Step 1.1, weigh by weight 25 parts of agricultural residues powder, 5 parts of mushroom bran, husky fluffy 5 parts of grass meal, 10 parts of kelp residue,
10 parts of feces of livestock and poultry, 2 parts of EM bacteria agent, it is standby；
Step 1.2, the agricultural crop straw weighed in step 1.1, mushroom bran, husky fluffy grass meal, kelp residue, feces of livestock and poultry are mixed
Close, obtain compound, into compound plus water, water tariff collection is then weighed in addition step 1.1 45%
EM bacteria agent, fermented 10 days at 50 DEG C, after fermentation by tunning drying to moisture content be 6%, then crush, cross 40 mesh
Sieve, that is, obtain organic fertilizer；
Step 1.3,30 parts of 20 parts of organic fertilizer, ammonium polyphosphate, the urea 10 prepared in step 1.2 is weighed by weight
Part, 10 parts of biochemical fulvic acid potassium, 1 part of seaweeds, 3 parts of polyglutamic acid, it is standby；
Step 1.4, the well mixed rear thing of each raw material weighed in step 1.3 is placed in comminutor, it is 2mm that particle diameter, which is made,
Granular fertilizer, the granular fertilizer is internal layer fertilizer；
Step 2, the preparation of outer layer controlled-release material
Step 2.1, modified 20 parts of turf, 15 parts of chitin modified bentonite, soybean protein isolate 0.5 are weighed by weight
2 parts of the acetic acid/sodium acetate buffer, 1 part of lipase, 50 parts of water that part, pH value are 5.5, it is standby；
Step 2.2, crushed after the modification turf weighed in step 2.1 and chitin modified bentonite being mixed, then mistake
100 mesh sieves, obtain raw material powder；
Step 2.3, the water-loss reducer weighed in step 2.1 is added in the water that step 2.1 weighs, stand 1h, then with
800r/min speed stirring 30min, obtains glue；
Step 2.4, in the glue raw material powder obtained in step 2.2 addition step 2.3 obtained, ultrasonic disperse 5min,
Thick suspension is obtained, the acetic acid/sodium acetate buffer and lipase weighed is added in step 2.1 into thick suspension,
It is well mixed after activating 2h at 40 DEG C, activation, which finishes, obtains outer layer controlled-release material；
Step 3, the preparation of southern potato drip irrigation release and release control fertilizer
Internal layer fertilizer made from step 1.4 is poured into heat drying rotary drum, rolls and is preheated to 70 DEG C, setting rotary drum turn
Dynamic speed is 50r/min, while obtained outer layer controlled-release material in step 2.4 is delivered into two-fluid spray nozzle through pressure-bearing form, and
Being sprayed to after being atomized on the fertiliser granulates in rotary drum, spraying, which finishes, to be risen to 80 DEG C by temperature in rotary drum and is heating and curing,
Solidify 10min, obtain southern potato drip irrigation release and release control fertilizer.
Embodiment 2
A kind of southern potato drip irrigation release and release control fertilizer, its preparing raw material are made up of the component of following parts by weight：50 parts
Internal layer fertilizer, 4 parts of outer layer controlled-release material；
Wherein, internal layer fertilizer is prepared by the component of following parts by weight：25 parts of organic fertilizer, 25 parts of ammonium polyphosphate,
15 parts of urea, 15 parts of biochemical fulvic acid potassium, 3 parts of seaweeds, 2 parts of polyglutamic acid；
Organic fertilizer is prepared by the component of following parts by weight：35 parts of agricultural residues powder, 8 parts of mushroom bran, husky fluffy grass meal 8
Part, 6 parts of kelp residue, 6 parts of feces of livestock and poultry, living bacteria count are 5 × 1092.5 parts of individual/g EM bacteria agent；
Outer layer controlled-release material is prepared by the component of following parts by weight：Modified 25 parts of turf, chitin modified swelling
1.5 parts of acetic acid/sodium acetate buffer that 12 parts of soil, 0.8 part of carboxymethylated cellulosic, pH value 5.5, concentration are 1mol/L,
Enzyme activity is 10000U/g 60 parts of 1.5 parts of lipase, water.
Specific preparation method is as follows：
Step 1, the preparation of internal layer fertilizer
Step 1.1,35 parts of agricultural residues powder, 8 parts of mushroom bran, husky fluffy 8 parts of grass meal, 6 parts of kelp residue, poultry are weighed by weight
6 parts of poultry manure, 2.5 parts of EM bacteria agent, it is standby；
Step 1.2, the agricultural crop straw weighed in step 1.1, mushroom bran, husky fluffy grass meal, kelp residue, feces of livestock and poultry are mixed
Close, obtain compound, into compound plus water, water tariff collection is then weighed in addition step 1.1 50%
EM bacteria agent, fermented 11 days at 55 DEG C, after fermentation by tunning drying to moisture content be 5%, then crush, cross 40 mesh
Sieve, that is, obtain organic fertilizer；
Step 1.3,25 parts of 25 parts of organic fertilizer, ammonium polyphosphate, the urea 15 prepared in step 1.2 is weighed by weight
Part, 15 parts of biochemical fulvic acid potassium, 3 parts of seaweeds, 2 parts of polyglutamic acid, it is standby；
Step 1.4, the well mixed rear thing of each raw material weighed in step 1.3 is placed in comminutor, particle diameter, which is made, is
2.5mm granular fertilizer, the granular fertilizer are internal layer fertilizer；
Step 2, the preparation of outer layer controlled-release material
Step 2.1, modified 25 parts of turf, 12 parts of chitin modified bentonite, carboxymethylated cellulosic are weighed by weight
0.8 part, pH value be 5.5 1.5 parts of acetic acid/sodium acetate buffer, 1.5 parts of lipase, 60 parts of water, it is standby；
Step 2.2, crushed after the modification turf weighed in step 2.1 and chitin modified bentonite being mixed, then mistake
100 mesh sieves, obtain raw material powder；
Step 2.3, the water-loss reducer weighed in step 2.1 is added in the water that step 2.1 weighs, stands 1.5h, then
40min is stirred with 800r/min speed, obtains glue；
Step 2.4, in the glue raw material powder obtained in step 2.2 addition step 2.3 obtained, ultrasonic disperse 10min,
Thick suspension is obtained, the acetic acid/sodium acetate buffer and lipase weighed is added in step 2.1 into thick suspension,
It is well mixed after activating 1.5h at 50 DEG C, activation, which finishes, obtains outer layer controlled-release material；
Step 3, the preparation of southern potato drip irrigation release and release control fertilizer
Internal layer fertilizer made from step 1.4 is poured into heat drying rotary drum, rolls and is preheated to 75 DEG C, setting rotary drum turn
Dynamic speed is 55r/min, while obtained outer layer controlled-release material in step 2.4 is delivered into two-fluid spray nozzle through pressure-bearing form, and
Being sprayed to after being atomized on the fertiliser granulates in rotary drum, spraying, which finishes, to be risen to 90 DEG C by temperature in rotary drum and is heating and curing,
Solidify 8min, that is, obtain southern potato drip irrigation release and release control fertilizer.
Embodiment 3
A kind of southern potato drip irrigation release and release control fertilizer, its preparing raw material are made up of the component of following parts by weight：60 parts
Internal layer fertilizer, 3 parts of outer layer controlled-release material；
Wherein, internal layer fertilizer is prepared by the component of following parts by weight：30 parts of organic fertilizer, 20 parts of ammonium polyphosphate,
20 parts of urea, 20 parts of biochemical fulvic acid potassium, 5 parts of seaweeds, 1 part of polyglutamic acid；
Organic fertilizer is prepared by the component of following parts by weight：40 parts of agricultural residues powder, 10 parts of mushroom bran, husky fluffy grass meal
10 parts, 5 parts of kelp residue, 5 parts of feces of livestock and poultry, living bacteria count be 1 × 1093 parts of individual/g EM bacteria agent；
Outer layer controlled-release material is prepared by the component of following parts by weight：Modified 30 parts of turf, chitin modified swelling
Acetic acid/sodium acetate buffer 1 that 10 parts of soil, 1 part of acrylic acid-acrylamide copolymer, pH value 5.5, concentration are 1mol/L
Part, 80 parts of 2 parts of lipase, the water that enzyme activity is 10000U/g.
Specific preparation method is as follows：
Step 1, the preparation of internal layer fertilizer
Step 1.1, weigh by weight 40 parts of agricultural residues powder, 10 parts of mushroom bran, husky fluffy 10 parts of grass meal, 5 parts of kelp residue,
5 parts of feces of livestock and poultry, 3 parts of EM bacteria agent, it is standby；
Step 1.2, the agricultural crop straw weighed in step 1.1, mushroom bran, husky fluffy grass meal, kelp residue, feces of livestock and poultry are mixed
Close, obtain compound, into compound plus water, water tariff collection is then weighed in addition step 1.1 55%
EM bacteria agent, fermented 12 days at 60 DEG C, after fermentation by tunning drying to moisture content be 3%, then crush, cross 40 mesh
Sieve, that is, obtain organic fertilizer；
Step 1.3,20 parts of 30 parts of organic fertilizer, ammonium polyphosphate, the urea 20 prepared in step 1.2 is weighed by weight
Part, 20 parts of biochemical fulvic acid potassium, 5 parts of seaweeds, 1 part of polyglutamic acid, it is standby；
Step 1.4, the well mixed rear thing of each raw material weighed in step 1.3 is placed in comminutor, it is 3mm that particle diameter, which is made,
Granular fertilizer, the granular fertilizer is internal layer fertilizer；
Step 2, the preparation of outer layer controlled-release material
Step 2.1, modified 30 parts of turf, 10 parts of chitin modified bentonite, acrylic acid-acrylamide are weighed by weight
1 part of the acetic acid/sodium acetate buffer, 2 parts of lipase, 80 parts of water that copolymer 1 part, pH value are 5.5, it is standby；
Step 2.2, crushed after the modification turf weighed in step 2.1 and chitin modified bentonite being mixed, then mistake
100 mesh sieves, obtain raw material powder；
Step 2.3, the water-loss reducer weighed in step 2.1 is added in the water that step 2.1 weighs, stand 2h, then with
800r/min speed stirring 60min, obtains glue；
Step 2.4, in the glue raw material powder obtained in step 2.2 addition step 2.3 obtained, ultrasonic disperse 15min,
Thick suspension is obtained, the acetic acid/sodium acetate buffer and lipase weighed is added in step 2.1 into thick suspension,
It is well mixed after activating 1h at 60 DEG C, activation, which finishes, obtains outer layer controlled-release material；
Step 3, the preparation of southern potato drip irrigation release and release control fertilizer
Internal layer fertilizer made from step 1.4 is poured into heat drying rotary drum, rolls and is preheated to 80 DEG C, setting rotary drum turn
Dynamic speed is 60r/min, while obtained outer layer controlled-release material in step 2.4 is delivered into two-fluid spray nozzle through pressure-bearing form, and
Being sprayed to after being atomized on the fertiliser granulates in rotary drum, spraying, which finishes, to be risen to 100 DEG C by temperature in rotary drum and is heating and curing,
Solidify 5min, obtain southern potato drip irrigation release and release control fertilizer.
It should be noted that the preparation method of modified turf is as follows：
Sent after 1 part of nano-cellulose whisker, 2 parts of sodium carboxymethylcelluloses, 50 parts of water are mixed into 15min by weight
Enter and disperse 5min in ultrasonic cell disruptor, ultrasonic power 150W, be then spray-dried, add 50 parts of water ultrasonic disperses
30min, obtain pretreatment fluid；
5 parts of sodium hydroxides, 60 parts of water are stirred at 0 DEG C by weight, 4 parts of celluloses is then added and stirs to fibre
Plain complete swelling is tieed up, system clear is dispersed to using homogenizer, adds 20 parts of turfs, 1 part of calcium carbonate is uniformly dispersed, drop
After the hydrochloric acid reaction that adds 0.5 part of concentration to be 1mol/L is complete, 5 parts of above-mentioned pretreatment fluids stirring 10min are continuously added, stirring finishes
Filter, wash afterwards, vacuum drying, that is, obtaining being modified turf.
Explanation is needed further exist for, chitin modified preparation method for bentonite is as follows：
5 parts of chitosans are dissolved with the aqueous acetic acid that 100 parts of volume fractions are 5%, dissolving finishes to obtain chitosan solution,
Chitosan solution is mixed with 60 parts of bentonites, is tuned into homogeneous paste thing, pastel is placed in the micro-wave oven that power is 700W
Heat drying, dry finish obtain chitin modified bentonite.
Embodiment 1-3 has prepared the southern potato drip irrigation release and release control fertilizer to work well, in order to verify that potato is dripped
The effect of release and release control fertilizer is filled, the result of extraction of release and release control fertilizer is tested.
It should be noted that the internal layer fertiliser granulates without parcel prepared in experiment with embodiment 1 as a comparison case 1,
The internal layer fertiliser granulates prepared with embodiment 1 are wrapped up into after polyethylene obtained fertilizer as a comparison case 2, by above-mentioned all samples
Product are all dipped into clear water respectively, then test dissolution rate at regular intervals, and concrete outcome is shown in Table 1.
The fertilizer result of extraction of table 1
As shown in Table 1, comparative example 1 shows to make without sustained release without the almost all dissolvings at once of wrapping inner layer fertiliser granulates
With the fertilizer mode of this high concentration understands calcination root system of plant, influences potato growth；Comparative example 2 is with polyethylene parcel
Layer fertiliser granulates dissolve except the fertiliser granulates of no environmental sealing initially, fertilizer are almost no longer disengaged thereafter, so Ma Ling
The stage that potato needs most to obtain fertilizer in growth course cannot get enough fertilizer supplies, so as to influence the growth of potato；
The envelop rate of potato drip irrigation release and release control fertilizer prepared by embodiment 1,2,3 is higher, and as dripping irrigation water enters soil, fertilizer is persistently released
Go out, and early stage, rate of release was very fast, the later stage tends towards stability, and disclosure satisfy that the demand of different growth phases.
In order to further verify effect of fertilizer, overlay film is taken in the big mountain village yielding Demonstration area in Chizhou City, Anhui Province Shitai County
The mode of drip irrigation plants potato, wherein, experimental plot area is about 4000m2, the Potato Cultivars of plantation are grams new No. 4, experiment
It is 1000m that field is divided into area by period2Tetra- fields of A, B, C, D, wherein A fields apply embodiment 1 potato
Drip irrigation release and release control fertilizer, B fields apply the potato drip irrigation release and release control fertilizer of embodiment 2, and the potato that C fields apply embodiment 3 is dripped
Release and release control fertilizer is filled, D fields apply common fertilizer, also, the one-time use amount of A, B, C field fertilizer is 100kg/ mus, D fields
The one-time use amount of block manure material is composite fertilizer (N: P: K=15: 10: 20) 150kg/ mus, zinc sulfate 2kg/ mus, manganese sulfate 1kg/
Mu, boric acid 1kg/ mus.
Plant within 2 18th, 2016, on June 11st, 2016 is harvested, and each field randomly selects 10 plants of potatos, and investigation is planted
Strain Other Main Agronomic Characters, knot potato feature, yield etc., specific experiment the results are shown in Table 2-3.
The potato yield Components of table 2
It is plant height, individual plant potato weight, big-and-middle from table 2 it can be seen that after the drip irrigation release and release control fertilizer prepared using embodiment 1-3
Potato weight is above, using common fertilizer, illustrating that the potato dropper release and release control fertilizer that embodiment 1-3 is prepared has well
Effect.
The potato yield result of table 3
| Project | Yield (kg/ mus) | Units increased in production (kg/ mus) | Rate of growth (%) |
| Embodiment 1 | 3286 | 700 | 27.07 |
| Embodiment 2 | 3198 | 812 | 23.66 |
| Embodiment 3 | 3215 | 820 | 24.32 |
| Common fertilizer | 2586 | / | / |
From table 3 it is observed that after the drip irrigation release and release control fertilizer prepared using embodiment 1-3, relative to using conventional fertilizer
For the potato of material, yield improves more than 23%, it can be seen that, under identical cultivation condition, implement using the present invention
Raising of the example 1-3 drip irrigation release and release control fertilizer to potato yield yield has remarkable effect, and production-increasing function becomes apparent.
It should be noted that when being related to number range in claims of the present invention, it is thus understood that each number range
Any one numerical value can be selected between two end points and two end points, due to step method and the embodiment 1-3 phases of use
Together, in order to prevent from repeating, description of the invention preferred embodiment, but those skilled in the art once know substantially
Creative concept, then other change and modification can be made to these embodiments.So appended claims are intended to be construed to wrap
Include preferred embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (10)
- A kind of 1. southern potato drip irrigation release and release control fertilizer, it is characterised in that its preparing raw material by following parts by weight component group Into：The internal layer fertilizer of 40-60 parts, the outer layer controlled-release material of 3-5 parts；Wherein, the internal layer fertilizer is prepared by the component of following parts by weight：Organic fertilizer 20-30 parts, ammonium polyphosphate 20- 30 parts, urea 10-20 parts, biochemical fulvic acid potassium 10-20 parts, seaweeds 1-5 parts, polyglutamic acid 1-3 parts；The outer layer controlled-release material is prepared by the component of following parts by weight：It is modified turf 20-30 parts, chitin modified swollen Moisten native 10-15 parts, water-loss reducer 0.5-1 parts, acetic acid/sodium acetate buffer 1-2 parts, lipase 1-2 parts, water 50-80 parts.
- 2. southern potato drip irrigation release and release control fertilizer according to claim 1, it is characterised in that the organic fertilizer is by following heavy The component of amount number is prepared：Agricultural residues powder 25-40 parts, mushroom bran 5-10 parts, husky fluffy grass meal 5-10 parts, kelp residue 5-10 Part, feces of livestock and poultry 5-10 parts, EM bacteria agent 2-3 parts.
- 3. southern potato drip irrigation release and release control fertilizer according to claim 2, it is characterised in that effectively living in the EM bacteria agent Bacterium number >=109Individual/g.
- 4. southern potato drip irrigation release and release control fertilizer according to claim 1, it is characterised in that the water-loss reducer is propylene One kind in acid-acrylamide copolymer, carboxymethylated cellulosic or soybean protein isolate.
- 5. southern potato drip irrigation release and release control fertilizer according to claim 1, it is characterised in that the acetic acid/sodium acetate delays The pH value for rushing solution is 5.5, concentration 1mol/L.
- 6. southern potato drip irrigation release and release control fertilizer according to claim 1, it is characterised in that the enzyme activity of the lipase For 10000U/g.
- 7. the preparation method of southern potato drip irrigation release and release control fertilizer according to claim 1, it is characterised in that including following Step：Step 1, the preparation of internal layer fertilizerStep 1.1, agricultural crop straw 25-40 parts, mushroom bran 5-10 parts, husky fluffy grass meal 5-10 parts, kelp residue 5- are weighed by weight 10 parts, feces of livestock and poultry 5-10 parts, EM bacteria agent 2-3 parts, it is standby；Step 1.2, the agricultural crop straw weighed in step 1.1, mushroom bran, husky fluffy grass meal, kelp residue, feces of livestock and poultry are mixed, obtained To compound, into compound plus water, water tariff collection is set in compound then to add in step 1.1 EM weighed in 45-55% Microbial inoculum, ferment 10-12 days at 50-60 DEG C, by tunning drying to moisture content≤10% after fermentation, then crush, 40 mesh sieves are crossed, that is, obtain the organic fertilizer；Step 1.3, the organic fertilizer 20-30 parts prepared in step 1.2, ammonium polyphosphate 20-30 parts, urea are weighed by weight 10-20 parts, biochemical fulvic acid potassium 10-20 parts, seaweeds 1-5 parts, polyglutamic acid 1-3 parts are standby；Step 1.4, it is granulated after each raw material weighed in step 1.3 is well mixed, granulation, which finishes, obtains the internal layer fertilizer；Step 2, the preparation of outer layer controlled-release materialStep 2.1, modified turf 20-30 parts, chitin modified bentonite 10-15 parts, water-loss reducer 0.5-1 are weighed by weight Part, acetic acid/sodium acetate buffer 1-2 parts, lipase 1-2 parts, water 50-80 parts are standby；Step 2.2, crushed after the modification turf weighed in step 2.1 and chitin modified bentonite being mixed, then cross 100 mesh Sieve, obtains raw material powder；Step 2.3, the water-loss reducer weighed in step 2.1 is added in the water that step 2.1 weighs, stand 1-2h, then with 800r/min speed stirring 30-60min, obtains glue；Step 2.4, in the glue raw material powder obtained in step 2.2 addition step 2.3 obtained, ultrasonic disperse 5-15min, obtain To thick suspension, the acetic acid/sodium acetate buffer and lipase weighed is added in step 2.1 into thick suspension, is mixed Close uniformly after activating 1-2h at 40-60 DEG C, activation, which finishes, obtains the outer layer controlled-release material；Step 3, the preparation of southern potato drip irrigation release and release control fertilizerInternal layer fertilizer made from step 1.4 is poured into heat drying rotary drum, rolls and is preheated to 70-80 DEG C, setting rotary drum turn Dynamic speed is 50-60r/min, while obtained outer layer controlled-release material in step 2.4 is delivered into two-fluid spray nozzle through pressure-bearing form, And sprayed to after being atomized on the fertiliser granulates in rotary drum, temperature in rotary drum is risen into 80-100 DEG C after spraying is added Heat cure, solidify 5-10min, that is, obtain the southern potato drip irrigation release and release control fertilizer.
- 8. the preparation method of southern potato drip irrigation release and release control fertilizer according to claim 7, it is characterised in that the step Obtained internal layer fertilizer is 2~3mm of particle diameter granular fertilizer in 1.4.
- 9. the preparation method of southern potato drip irrigation release and release control fertilizer according to claim 7, it is characterised in that the modification The preparation method of turf is as follows：It will be sent into by weight after 1 part of nano-cellulose whisker, 2 parts of sodium carboxymethylcelluloses, 50 parts of water mixing 15min super Disperse 5min in sound wave cell disruptor, ultrasonic power 150W, be then spray-dried, add 50 parts of water ultrasonic disperses 30min, obtain pretreatment fluid；5 parts of sodium hydroxides, 60 parts of water are stirred at 0 DEG C by weight, 4 parts of celluloses is then added and stirs to cellulose Complete swelling, system clear is dispersed to using homogenizer, adds 20 parts of turfs, 1 part of calcium carbonate is uniformly dispersed, dropwise addition 0.5 part of concentration be 1mol/L hydrochloric acid reaction it is complete after, 5 parts of above-mentioned pretreatment fluids stirring 10min are continuously added, after stirring Filtering, washing, vacuum drying, that is, obtain being modified turf.
- 10. the preparation method of southern potato drip irrigation release and release control fertilizer according to claim 7, it is characterised in that the shell Glycan method for preparing modified bentonite is as follows：5 parts of chitosans are dissolved with the aqueous acetic acid that 100 parts of volume fractions are 5%, dissolving finishes to obtain chitosan solution, by shell Glycan solution is mixed with 60 parts of bentonites, is tuned into homogeneous paste thing, and pastel is placed in the micro-wave oven that power is 700W and heated Dry, dry finish obtains the chitin modified bentonite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711069175.8A CN107602262B (en) | 2017-11-03 | 2017-11-03 | Controlled-release fertilizer for southern potato drip irrigation and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711069175.8A CN107602262B (en) | 2017-11-03 | 2017-11-03 | Controlled-release fertilizer for southern potato drip irrigation and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107602262A true CN107602262A (en) | 2018-01-19 |
| CN107602262B CN107602262B (en) | 2021-01-05 |
Family
ID=61085344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711069175.8A Expired - Fee Related CN107602262B (en) | 2017-11-03 | 2017-11-03 | Controlled-release fertilizer for southern potato drip irrigation and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107602262B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108586080A (en) * | 2018-07-10 | 2018-09-28 | 思南县华丰果蔬专业合作社 | A kind of greening seedling long-acting special organic fertilizer and preparation method thereof |
| CN110452054A (en) * | 2019-09-10 | 2019-11-15 | 山东胜伟盐碱地科技有限公司 | A kind of dedicated MULTILAYER COMPOSITE fertiliser granulates of alkaline land improving and preparation method thereof |
| CN111517897A (en) * | 2020-05-21 | 2020-08-11 | 山东省农业科学院生物技术研究中心 | Controlled-release bacterial fertilizer special for peanuts and preparation method thereof |
| CN111978123A (en) * | 2020-09-10 | 2020-11-24 | 贵州天宝丰原生态农业科技有限公司 | Organic-inorganic compound fertilizer for increasing rice yield and preparation method thereof |
| CN113249262A (en) * | 2021-05-31 | 2021-08-13 | 中诚国联（河南）生物科技有限公司 | Compound microbial agent for preventing and treating diseases and application thereof |
| CN115745694A (en) * | 2022-12-05 | 2023-03-07 | 晋中学院 | Special balanced nutrient fertilizer for millet cultivation and preparation method and application thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104292025A (en) * | 2014-10-30 | 2015-01-21 | 潘虹 | Special water-holding and controlled-release fertilizer for wheat |
| CN105384531A (en) * | 2015-12-03 | 2016-03-09 | 南宁市金沙壮畜牧养殖有限责任公司 | Special slow-release compound fertilizer for mango and preparation method thereof |
| CN106588234A (en) * | 2016-11-01 | 2017-04-26 | 马鞍山科邦生态肥有限公司 | High-efficiency magnetic controlled release fertilizer helping improvement of potato nutrient content and preparation method thereof |
| CN106673833A (en) * | 2016-12-28 | 2017-05-17 | 贵州大学 | Drop irrigation fertilizer special for potatoes and production method of drop irrigation fertilizer |
| CN107266249A (en) * | 2017-06-23 | 2017-10-20 | 成都云图控股股份有限公司 | A kind of prevention and control vegetable insect disease type double membrane slow release fertilizer and preparation method thereof |
-
2017
- 2017-11-03 CN CN201711069175.8A patent/CN107602262B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104292025A (en) * | 2014-10-30 | 2015-01-21 | 潘虹 | Special water-holding and controlled-release fertilizer for wheat |
| CN105384531A (en) * | 2015-12-03 | 2016-03-09 | 南宁市金沙壮畜牧养殖有限责任公司 | Special slow-release compound fertilizer for mango and preparation method thereof |
| CN106588234A (en) * | 2016-11-01 | 2017-04-26 | 马鞍山科邦生态肥有限公司 | High-efficiency magnetic controlled release fertilizer helping improvement of potato nutrient content and preparation method thereof |
| CN106673833A (en) * | 2016-12-28 | 2017-05-17 | 贵州大学 | Drop irrigation fertilizer special for potatoes and production method of drop irrigation fertilizer |
| CN107266249A (en) * | 2017-06-23 | 2017-10-20 | 成都云图控股股份有限公司 | A kind of prevention and control vegetable insect disease type double membrane slow release fertilizer and preparation method thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108586080A (en) * | 2018-07-10 | 2018-09-28 | 思南县华丰果蔬专业合作社 | A kind of greening seedling long-acting special organic fertilizer and preparation method thereof |
| CN110452054A (en) * | 2019-09-10 | 2019-11-15 | 山东胜伟盐碱地科技有限公司 | A kind of dedicated MULTILAYER COMPOSITE fertiliser granulates of alkaline land improving and preparation method thereof |
| CN111517897A (en) * | 2020-05-21 | 2020-08-11 | 山东省农业科学院生物技术研究中心 | Controlled-release bacterial fertilizer special for peanuts and preparation method thereof |
| CN111978123A (en) * | 2020-09-10 | 2020-11-24 | 贵州天宝丰原生态农业科技有限公司 | Organic-inorganic compound fertilizer for increasing rice yield and preparation method thereof |
| CN113249262A (en) * | 2021-05-31 | 2021-08-13 | 中诚国联（河南）生物科技有限公司 | Compound microbial agent for preventing and treating diseases and application thereof |
| CN115745694A (en) * | 2022-12-05 | 2023-03-07 | 晋中学院 | Special balanced nutrient fertilizer for millet cultivation and preparation method and application thereof |
| CN115745694B (en) * | 2022-12-05 | 2024-10-01 | 晋中学院 | Special balanced nutrition fertilizer for millet cultivation and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107602262B (en) | 2021-01-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107602262A (en) | A kind of southern potato drip irrigation release and release control fertilizer and preparation method thereof | |
| CN103121878B (en) | Double membrane slow release fertilizer containing humic acid and preparation method thereof | |
| CN103588583B (en) | A kind of tea tree bio-organic fertilizer special and preparations and applicatio method thereof | |
| CN107201233A (en) | A kind of ecological, environmental protective soil conditioner and preparation method thereof | |
| CN106631617A (en) | Water-saving nutrient pot for saline-alkali soil and preparation method thereof | |
| CN108276210A (en) | A kind of tea oil tree special fertilizer and preparation method thereof | |
| NL2021724B1 (en) | Special film-coated controlled release fertilizer for peanut in dry poor soil and preparation method thereof | |
| CN107032922A (en) | A kind of humic acid functional bio-feritlizer and preparation method thereof | |
| CN108329109A (en) | A kind of raising corn yield coated slow-release base manure and preparation method thereof | |
| CN104744114A (en) | Special organic-inorganic compound fertilizer for persimmon trees | |
| CN108129187A (en) | Improve sandy salt-soda soil organic fertilizer and preparation method thereof | |
| CN106588356A (en) | Rice slow-release fertilizer and preparation method thereof | |
| CN104447042A (en) | Selenium-enriched tomato liquid fertilizer and preparation method thereof | |
| CN108707013A (en) | A kind of environmental protection organic slow-release fertilizer and preparation method thereof | |
| CN108129202A (en) | A kind of environment friendly and pollution-free fruit tree fertilizer and preparation method thereof | |
| CN100398625C (en) | Water-loss reducer of soil and its preparation method | |
| CN104447070A (en) | Compound fertilizer for corns and preparation method thereof | |
| CN106747899A (en) | A kind of film-coated and slow release fertilizer and preparation method thereof and making apparatus | |
| CN109627099A (en) | A kind of spherical particle alkaline conditioner and its preparation | |
| CN108727120A (en) | A kind of cauliflower plantation fertilizer and preparation method thereof | |
| CN105237309A (en) | Composite fertilizer for increasing yield of understory traditional Chinese medicine | |
| CN107912234A (en) | One kind is slow to ooze husky body and its preparation method and application | |
| CN100360476C (en) | Slow release organic and inorganic fertilizer | |
| CN104892326A (en) | Water-retain fertilizer taking bagasse as main raw material | |
| CN105175095A (en) | Fig planting rooting promoting fertilizer and preparation method therefor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210105 Termination date: 20211103 |