CN110183287A - A kind of broccoli Special basal fertilizer and preparation method thereof - Google Patents
A kind of broccoli Special basal fertilizer and preparation method thereof Download PDFInfo
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- CN110183287A CN110183287A CN201910429574.3A CN201910429574A CN110183287A CN 110183287 A CN110183287 A CN 110183287A CN 201910429574 A CN201910429574 A CN 201910429574A CN 110183287 A CN110183287 A CN 110183287A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D1/00—Fertilisers containing potassium
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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
-
- 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
- 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
- C05G5/00—Fertilisers characterised by their form
- C05G5/10—Solid or semi-solid fertilisers, e.g. powders
- C05G5/12—Granules or flakes
-
- 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
- C05G5/00—Fertilisers characterised by their form
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
Abstract
The present invention discloses a kind of broccoli Special basal fertilizer, and structure ecto-entad includes seedling layer, totally three layers of nutrient growth layer, bouquet grown layer, and Biodegradable films are coated between every layer；Seedling layer, nutrient growth layer, bouquet grown layer raw material include nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, animal wastes, vermiculite sand and adhesive, decomposed processing is passed through in animal wastes；Seedling layer nitrogenous fertilizer, phosphate fertilizer, potash fertilizer weight ratio be 8:1:11~12.5；The nitrogenous fertilizer of nutrient growth layer, phosphate fertilizer, potash fertilizer weight ratio be 8:1:7~8；The nitrogenous fertilizer of bouquet grown layer, phosphate fertilizer, potash fertilizer weight ratio be 8:1:4.5~5.5；The weight of animal wastes is respectively 10 times of other three seed manures gross weights in seedling layer, nutrient growth layer, bouquet grown layer；The weight of vermiculite sand is respectively this layer of nitrogenous fertilizer, phosphate fertilizer, 0.4~0.8 times of potash fertilizer total weight in seedling layer, nutrient growth layer, bouquet grown layer.This base manure can significantly improve Labile soil organic carbon composition, and fertility slow-release time is consistent substantially with broccoli growth cycle.
Description
Technical field
The invention belongs to base manure preparation field, especially a kind of broccoli Special basal fertilizer and preparation method thereof.
Background technique
Broccoli, it is full of nutrition, it is rich in protein, vitamin, carrotene, dietary fiber and mineral element, Neng Gouzeng
Strong immunity of organisms enhances vascular toughness, weight-reducing, and beautifying face and moistering lotion delays senescence, and it is the favorite vegetable of people that anticancer, which presses down cancer,
One of dish.
Currently, broccoli is according to its breediness, growth cycle is different, but growth course generally comprises Seedling Stage, nutrition
Growth period, bouquet growth period, four growth periods of the phase of blossoming and having seeds.In broccoli general Early maturity from be seeded into harvesting 90 days left sides
The right side, early-maturing variety 95~100 days, medium variety 105~110 days, seasonal strain was 120 days or so more.In broccoli planting process
In, with the difference in growth period, needed for fertilizer type and ratio it is also not identical.When Seedling Stage, nitrogen: phosphorus: the content of potassium
Ratio=8.3:1:10.4, potassium > nitrogen > phosphorus；When flower bud differentiation period, nitrogen: phosphorus: content ratio=7.0:1.0:8.3 of potassium, potassium > nitrogen >
Phosphorus；When the Curd formation phase, nitrogen: phosphorus: content ratio=7.3:1:5.4 of potassium, nitrogen > potassium > phosphorus.In addition, there are also boron, molybdenum etc. are micro
The requirement of element.It can be seen that broccoli needs to pay attention to constantly in planting process the content ratio composition of N, P, K in fertilizer,
So that broccoli is in optimum growh state always, yield is improved.
Before base manure refers to crop sowing or field planting, perennial crop is at the beginning of growth end of the season or Growing season, in conjunction with soil cultivation
The fertilizer applied.The purpose of basal dressing is to create good soil precondition for crop growth, meets crop pair
The basic demand of nutrition.As the fertilizer that base is applied be mainly organic fertilizer and mobility is small in the soil or performance fertilizer efficiency is relatively slow (late
Effect property) chemical fertilizer, for crop entire growth period provide in required nutrient, such as phosphate fertilizer, potash fertilizer and some trace element fertilizers
Material.And the late effect property of base manure is controlled, it directly determines the initial fertility degree of soil, the yield of broccoli is generated important
It influences.
In the prior art, for example, the patent of Patent No. 201810537858.X " a kind of raising pomegranate yield is slow with coating
Release base manure ", it is made of base granule with the coating layer for being coated on base granule surface, base granule includes chicken manure, grouts, corruption
The raw materials such as soil, biogas slurry are grown, the preparation of coating layer is to add water and stir starch from sweet potato, chitosan, and it is anti-that epoxychloropropane stirring is added
It answers, adds citric acid and calcium propionate is stirred to react, be eventually adding nano kaoline, thiophanate methyl and China tree juice and stir
To coating liquid；Coating liquid is coated in base granule surface, is dried to obtain coating layer.Using the biodegrade of coating layer, gradually
Release the fertilizer of base granule.
Such as patent " a kind of raising corn yield coated slow-release base manure and its system of Patent No. 201810270162.5
Acetate starch solution is ultrasonically treated, then carry out composite modified system with gelatin by Preparation Method " by the way that technological parameter is arranged
It is sprayed on base manure particle at coating agent.
Such as the patent " regularly released granular organic fertilizer and its production method " of Patent No. 01132015.X, according to not
It is divided into several little particles with growth cycle, respectively nutritional ingredient needed for addition, and is coated according to the release time of different cycles
There is the plant of different-thickness to be coated, the little particle organic fertilizer in each period bundles to form a bulky grain organic fertilizer.
Above-mentioned patented technology, which mostly uses greatly, realizes slow releasing function, and skill in the mode of base manure particle surface cladding thin film
Lack the verifying to the effect of sustained release in art scheme, therefore slow release effect and base manure are to the control effect of fertility initial in soil
Also it has no way of learning.
Summary of the invention
The present invention combination above problem, the entire growth cycle of broccoli can be completely covered by having invented a kind of sustained release period,
And the fertilizer component in soil can be constantly adjusted with the growth of broccoli, broccoli is made to be in best life always
The Special basal fertilizer of long status is realized especially by following technology.
A kind of broccoli Special basal fertilizer, structure ecto-entad include seedling layer, nutrient growth layer, bouquet grown layer totally three
Layer, Biodegradable films are coated between every layer；The seedling layer, nutrient growth layer, bouquet grown layer raw material include nitrogen
Decomposed processing is passed through in fertilizer, phosphate fertilizer, potash fertilizer, animal wastes, vermiculite sand and adhesive, the animal wastes；
The nitrogenous fertilizer of seedling layer, phosphate fertilizer, potash fertilizer weight ratio be 8:1:11~12.5；
The nitrogenous fertilizer of the nutrient growth layer, phosphate fertilizer, potash fertilizer weight ratio be 8:1:7~8；
The nitrogenous fertilizer of the bouquet grown layer, phosphate fertilizer, potash fertilizer weight ratio be 8:1:4.5~5.5；
The weight of animal wastes described in the seedling layer, nutrient growth layer, bouquet grown layer be respectively corresponding nitrogenous fertilizer,
10 times of phosphate fertilizer, potash fertilizer total weight；
The weight of vermiculite sand described in the seedling layer, nutrient growth layer, bouquet grown layer is respectively corresponding nitrogenous fertilizer, phosphorus
0.4~0.8 times of fertilizer, potash fertilizer total weight.
Above-mentioned broccoli Special basal fertilizer, nitrogenous fertilizer used, phosphate fertilizer, potash fertilizer can select on the market often between chemical fertilizer, such as
Urea, potassium nitrate etc. also can be used the moderate compound fertilizer of ratio, i.e., need to only guarantee the weight ratio of three.By using
Its structure is compressed to three layers by pressed-disc technique, each growth period of each layer of corresponding broccoli；And it is sprayed between adjacent two layers
Commercial type common biodegradable film (such as modified starch, chitosan or other one or more can biology drop
Solution material mixes), form Biodegradable films, spherical base manure by compacting is total to pressing process and Biodegradable films
Under same-action, extraordinary slow releasing function can be played.Seedling layer, nutrient growth layer, the slow-release time of bouquet grown layer are basic
It is consistent respectively with the Seedling Stage of broccoli, vegetative growth phase, bouquet growth period.When a large amount of this base manure is embedded in whole piece
Plant broccoli soil in when, with the effect of water and microorganism in soil, it will be able to guarantee and promoted soil just
Beginning fertility, enables broccoli to rapidly adapt to growing environment.Vermiculite sand has water imbibition, can inhale when soil moisture is excessive
Certain moisture is received, avoids base manure disintegration too fast, amount of water is discharged when soil moisture is very few, maintain the fertility in soil.
Preferably, the nitrogenous fertilizer, phosphate fertilizer of the seedling layer, the weight ratio of potash fertilizer are 8:1:12；The nitrogen of the nutrient growth layer
Fertilizer, phosphate fertilizer, potash fertilizer weight ratio be 8:1:7.5；The nitrogenous fertilizer of the bouquet grown layer, phosphate fertilizer, potash fertilizer weight ratio be 8:1:5.
Preferably, the partial size of the vermiculite sand is 0.5~1mm.
Preferably, described adhesive is cellulose family, starch based material.
The present invention also provides the preparation methods of above-mentioned broccoli Special basal fertilizer, comprising the following steps:
S1, the seedling layer, nutrient growth layer, bouquet grown layer respectively required nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, animal are weighed
Excrement, vermiculite sand and adhesive mix and obtain mixture I, mixture II, mixture III respectively；
S2, be separately added into 50% ethyl alcohol in mixture I, mixture II, mixture III and adhesive be made it is soft mixed
Close material I, soft mixture II, soft mixture III；
S3, soft mixture III is taken to suppress glomeration, fluidized drying to moisture content is no more than 3%, then sprays on surface
Biodegradable film；
S4, soft mixture II is wrapped in step S3 products obtained therefrom surface and suppresses glomeration, fluidized drying to moisture
Content is no more than 3%, then in surface sprayed biological degradation film；
S5, soft mixture III is wrapped in step S3 products obtained therefrom surface and suppresses glomeration, fluidized drying to moisture
Content is no more than 3%, obtains broccoli Special basal fertilizer finished product.
Preferably, in step S3, the pressure of compacting is 4~5MPa；In step S4, the pressure of compacting is 3~3.8MPa；
In step S5, the pressure of compacting is 1.8~2.5MPa.
Compared with prior art, the invention has the beneficial effects that:
The present invention is by 3 tablet forming techniques, according to the growth course of broccoli and period modulation seedling layer, nutrient growth
The sustained release duration of layer, bouquet grown layer, can be essentially identical with the growth cycle of broccoli, and can effectively tie up
The fertility in soil is held, provides a large amount of required nutrients for the entire growth course of broccoli.
Specific embodiment
Technical solution of the present invention will be clearly and completely described below, it is clear that described embodiment is only
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's all other embodiment obtained under the conditions of not making creative work, shall fall within the protection scope of the present invention.
Broccoli Special basal fertilizer provided by embodiment and comparative example once, the partial size of vermiculite sand used is 0.5~
1mm, adhesive used are microcrystalline cellulose, and Biodegradable films are modified starch film, and the preparation method comprises the following steps:
S1, the seedling layer, nutrient growth layer, bouquet grown layer respectively required nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, animal are weighed
Excrement, vermiculite sand and adhesive mix and obtain mixture I, mixture II, mixture III respectively；
S2, be separately added into 50% ethyl alcohol in mixture I, mixture II, mixture III and adhesive be made it is soft mixed
Close material I, soft mixture II, soft mixture III；
S3, soft mixture III is taken to suppress glomeration, fluidized drying to moisture content is no more than 3%, then sprays on surface
Biodegradable film；
S4, soft mixture II is wrapped in step S3 products obtained therefrom surface and suppresses glomeration, fluidized drying to moisture
Content is no more than 3%, then in surface sprayed biological degradation film；
S5, soft mixture III is wrapped in step S3 products obtained therefrom surface and suppresses glomeration, fluidized drying to moisture
Content is no more than 3%, obtains broccoli Special basal fertilizer finished product.
Embodiment 1
Broccoli Special basal fertilizer provided in this embodiment, structure ecto-entad include seedling layer, nutrient growth layer, bouquet
Totally three layers of grown layer, Biodegradable films are coated between every layer；The raw material of the seedling layer, nutrient growth layer, bouquet grown layer
It include nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, animal wastes, vermiculite sand and adhesive, decomposed processing is passed through in the animal wastes；
The nitrogenous fertilizer of seedling layer, phosphate fertilizer, potash fertilizer weight ratio be 8:1:12；
The nitrogenous fertilizer of the nutrient growth layer, phosphate fertilizer, potash fertilizer weight ratio be 8:1:7.5；
The nitrogenous fertilizer of the bouquet grown layer, phosphate fertilizer, potash fertilizer weight ratio be 8:1:5
The weight of animal wastes described in the seedling layer, nutrient growth layer, bouquet grown layer be respectively corresponding nitrogenous fertilizer,
10 times of phosphate fertilizer, potash fertilizer total weight；
The weight of vermiculite sand described in the seedling layer, nutrient growth layer, bouquet grown layer is respectively this layer of nitrogenous fertilizer, phosphorus
0.8 times of fertilizer, potash fertilizer total weight.
In the preparation, in step S3, the pressure of compacting is 4.5MPa to the broccoli Special basal fertilizer of the present embodiment；Step S4
In, the pressure of compacting is 3.4MPa；In step S5, the pressure of compacting is 2.2MPa.
Embodiment 2
Broccoli Special basal fertilizer provided in this embodiment, structure ecto-entad include seedling layer, nutrient growth layer, bouquet
Totally three layers of grown layer, Biodegradable films are coated between every layer；The raw material of the seedling layer, nutrient growth layer, bouquet grown layer
It include nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, animal wastes, vermiculite sand and adhesive, decomposed processing is passed through in the animal wastes；
The nitrogenous fertilizer of seedling layer, phosphate fertilizer, potash fertilizer weight ratio be 8:1:11；
The nitrogenous fertilizer of the nutrient growth layer, phosphate fertilizer, potash fertilizer weight ratio be 8:1:7；
The nitrogenous fertilizer of the bouquet grown layer, phosphate fertilizer, potash fertilizer weight ratio be 8:1:4.5；
The weight of animal wastes described in the seedling layer, nutrient growth layer, bouquet grown layer be respectively corresponding nitrogenous fertilizer,
10 times of phosphate fertilizer, potash fertilizer total weight；
The weight of vermiculite sand described in the seedling layer, nutrient growth layer, bouquet grown layer is respectively this layer of nitrogenous fertilizer, phosphorus
0.4 times of fertilizer, potash fertilizer total weight.
In the preparation, in step S3, the pressure of compacting is 4.5MPa to the broccoli Special basal fertilizer of the present embodiment；Step S4
In, the pressure of compacting is 3.4MPa；In step S5, the pressure of compacting is 2.2MPa.
Embodiment 3
Broccoli Special basal fertilizer provided in this embodiment, structure ecto-entad include seedling layer, nutrient growth layer, bouquet
Totally three layers of grown layer, Biodegradable films are coated between every layer；The raw material of the seedling layer, nutrient growth layer, bouquet grown layer
It include nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, animal wastes, vermiculite sand and adhesive, decomposed processing is passed through in the animal wastes；
The nitrogenous fertilizer of seedling layer, phosphate fertilizer, potash fertilizer weight ratio be 8:1:12.5；
The nitrogenous fertilizer of the nutrient growth layer, phosphate fertilizer, potash fertilizer weight ratio be 8:1:8；
The nitrogenous fertilizer of the bouquet grown layer, phosphate fertilizer, potash fertilizer weight ratio be 8:1:5.5；
The weight of animal wastes described in the seedling layer, nutrient growth layer, bouquet grown layer be respectively corresponding nitrogenous fertilizer,
10 times of phosphate fertilizer, potash fertilizer total weight；
The weight of vermiculite sand described in the seedling layer, nutrient growth layer, bouquet grown layer is respectively this layer of nitrogenous fertilizer, phosphorus
0.8 times of fertilizer, potash fertilizer total weight.
In the preparation, in step S3, the pressure of compacting is 4.5MPa to the broccoli Special basal fertilizer of the present embodiment；Step S4
In, the pressure of compacting is 3.4MPa；In step S5, the pressure of compacting is 2.2MPa.
Embodiment 4
Broccoli Special basal fertilizer provided in this embodiment, structure and material rate are same as Example 1.
In the preparation, in step S3, the pressure of compacting is 4MPa to the broccoli Special basal fertilizer of the present embodiment；In step S4,
The pressure of compacting is 3MPa；In step S5, the pressure of compacting is 1.8MPa.
Embodiment 5
Broccoli Special basal fertilizer provided in this embodiment, structure and material rate are same as Example 1.
In the preparation, in step S3, the pressure of compacting is 5MPa to the broccoli Special basal fertilizer of the present embodiment；In step S4,
The pressure of compacting is 3.8MPa；In step S5, the pressure of compacting is 2.5MPa.
Comparative example 1
The broccoli Special basal fertilizer that this comparative example provides, it is substantially the same manner as Example 1, the difference is that: the seedling
Layer nitrogenous fertilizer, phosphate fertilizer, potash fertilizer weight ratio be 8:1:10.5；The weight ratio of the nitrogenous fertilizer of the nutrient growth layer, phosphate fertilizer, potash fertilizer
For 8:1:6.5；The nitrogenous fertilizer of the bouquet grown layer, phosphate fertilizer, potash fertilizer weight ratio be 8:1:4.
Comparative example 2
The broccoli Special basal fertilizer that this comparative example provides, it is substantially the same manner as Example 1, the difference is that: the seedling
Layer nitrogenous fertilizer, phosphate fertilizer, potash fertilizer weight ratio be 8:1:13；The nitrogenous fertilizer of the nutrient growth layer, phosphate fertilizer, potash fertilizer weight ratio be
8:1:8.5；The nitrogenous fertilizer of the bouquet grown layer, phosphate fertilizer, potash fertilizer weight ratio be 8:1:6.
Comparative example 3
The broccoli Special basal fertilizer that this comparative example provides, it is substantially the same manner as Example 1, the difference is that: in step S3,
The pressure of compacting is 3.6MPa；In step S4, the pressure of compacting is 2.3MPa；In step S5, the pressure of compacting is 1.5MPa.
Comparative example 4
The broccoli Special basal fertilizer that this comparative example provides, it is substantially the same manner as Example 1, the difference is that: in step S3,
The pressure of compacting is 5.3MPa；In step S4, the pressure of compacting is 4MPa；In step S5, the pressure of compacting is 2.8MPa.It answers
Use-case 1: the sensory evaluation of Special basal fertilizer prepared by Examples 1 to 5 and comparative example 1~4
Appearance, hardness, weight differential is carried out to Special basal fertilizer prepared by Examples 1 to 5 and comparative example 1~4 to evaluate,
As a result: Examples 1 to 5, Special basal fertilizer appearance prepared by comparative example 1~2 do not have crack, and hardness is moderate, weight differential
Small, Special basal fertilizer prepared by comparative example 3 has a small amount of crack, and hardness is poor, slightly picking phenomenon, dedicated base prepared by comparative example 4
Fertile excessive high hardness.
It can be seen that pressing pressure size has a significant effect to the presentation quality of Special basal fertilizer.Examples 1 to 5 preparation
Special basal fertilizer quality is preferable.
Application examples 2: the slow-release time of Special basal fertilizer prepared by Examples 1 to 5 and comparative example 1~4 and the survey of basic fertility
Examination
1, slow-release time test result
Special basal fertilizer prepared by Examples 1 to 5 and comparative example 1~4 is put into the normal soil of plantation broccoli, 20
It is persistently placed 3 months under the conditions of DEG C, the growing environment of the broccoli of watering simulation daily, every the Special basal fertilizer of observation in 3 days
Variation.It is found after observation, the volume of the Special basal fertilizer of these embodiment and comparative examples all experienced the process slowly to become smaller.
Embodiment 1,2,3, in comparative example 1,2, originally the volume of Special basal fertilizer slowly becomes smaller, then at the 27th to 30 day
Between volume have no variation, then continued to become smaller at the 33rd day, then volume stops changing again between the 63rd to 66 day,
Ground starts slowly to become smaller again when observing again within 69 days.The growth cycle of this and broccoli coincide substantially.
The volume change process of Special basal fertilizer in embodiment 4 is similar to Example 1, but the time that volume is stagnated twice
Be advanced by about 3 days, embodiment 5 then volume dead time has been delayed about 3 days twice.
Time advance that the volume twice of Special basal fertilizer in comparative example 3 is stagnated about 9 days, the dedicated base in comparative example 4
The time that the volume twice of fertilizer is stagnated has been delayed about 12 days, differs greatly with the growth cycle of broccoli.
It can be seen that pressing pressure size has a significant effect to the slow-release time of Special basal fertilizer.Examples 1 to 5 preparation
The slow-release time of Special basal fertilizer is moderate, high with the growth period degree of conformity of broccoli.
2, basic fertility test result
The basic fertility of common broccoli planting soil is tested first, then prepares Examples 1 to 5 and comparative example 1~4
Special basal fertilizer be put into the normal soil of plantation broccoli, until all Special basal fertilizers all completely disappear, test is each again
Basic fertility in soil.
Labile soil organic carbon in embodiment 1 is very high, and nitrogen, phosphorus, the ratio of potash fertilizer are moderate, substantially without additionally adding other
Fertilizer；Labile soil organic carbon in embodiment 2 is higher, and potash fertilizer is slightly relatively low, needs to add a small amount of potash fertilizer；In embodiment 3
Labile soil organic carbon is higher, and potash fertilizer is slightly higher, needs to add a small amount of nitrogenous fertilizer and phosphate fertilizer；Soil basis fertilizer in comparative example 1
Power is general, and potash fertilizer is slightly too low, needs to add more amount potash fertilizer；Labile soil organic carbon in comparative example 2 is higher, and potash fertilizer
It is slightly excessively high, need to add a small amount of nitrogenous fertilizer and phosphate fertilizer；Labile soil organic carbon and 1 class of embodiment in comparative example 3 and comparative example 4
Seemingly, difference is little.
It can be seen that the scale of nitrogen, phosphorus, potash fertilizer has a significant effect to the basic fertility in soil, Examples 1 to 5
The basic fertility that can be obviously improved in soil and fertility of the Special basal fertilizer of preparation form.
Claims (6)
1. a kind of broccoli Special basal fertilizer, which is characterized in that its structure ecto-entad includes seedling layer, nutrient growth layer, bouquet
Totally three layers of grown layer, Biodegradable films are coated between every layer；The raw material of the seedling layer, nutrient growth layer, bouquet grown layer
It include nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, animal wastes, vermiculite sand and adhesive, decomposed processing is passed through in the animal wastes；
The nitrogenous fertilizer of seedling layer, phosphate fertilizer, potash fertilizer weight ratio be 8:1:11~12.5；
The nitrogenous fertilizer of the nutrient growth layer, phosphate fertilizer, potash fertilizer weight ratio be 8:1:7~8；
The nitrogenous fertilizer of the bouquet grown layer, phosphate fertilizer, potash fertilizer weight ratio be 8:1:4.5~5.5；
The weight of animal wastes described in the seedling layer, nutrient growth layer, bouquet grown layer is respectively corresponding nitrogenous fertilizer, phosphorus
10 times of fertilizer, potash fertilizer total weight；
The weight of vermiculite sand described in the seedling layer, nutrient growth layer, bouquet grown layer be respectively corresponding nitrogenous fertilizer, phosphate fertilizer,
0.4~0.8 times of potash fertilizer total weight.
2. broccoli Special basal fertilizer according to claim 1, which is characterized in that
The nitrogenous fertilizer of seedling layer, phosphate fertilizer, potash fertilizer weight ratio be 8:1:12；
The nitrogenous fertilizer of the nutrient growth layer, phosphate fertilizer, potash fertilizer weight ratio be 8:1:7.5；
The nitrogenous fertilizer of the bouquet grown layer, phosphate fertilizer, potash fertilizer weight ratio be 8:1:5.
3. broccoli Special basal fertilizer according to claim 1 or 2, which is characterized in that the partial size of the vermiculite sand be 0.5~
1mm。
4. according to claim 1 or 2 described in any item broccoli Special basal fertilizers, which is characterized in that described adhesive is fiber
Plain class, starch based material.
5. a kind of preparation method of broccoli Special basal fertilizer as claimed in claim 1 or 2, which comprises the following steps:
S1, weigh the seedling layer, nutrient growth layer, bouquet grown layer respectively required nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, animal wastes,
Vermiculite sand and adhesive mix and obtain mixture I, mixture II, mixture III respectively；
S2,50% ethyl alcohol is separately added into mixture I, mixture II, mixture III and soft mixture is made in adhesive
I, soft mixture II, soft mixture III；
S3, soft mixture III is taken to suppress glomeration, fluidized drying to moisture content is no more than 3%, then in surface sprayed biological
Degradation film；
S4, soft mixture II is wrapped in step S3 products obtained therefrom surface and suppresses glomeration, fluidized drying to moisture content
No more than 3%, then in surface sprayed biological degradation film；
S5, soft mixture III is wrapped in step S3 products obtained therefrom surface and suppresses glomeration, fluidized drying to moisture content
No more than 3%, broccoli Special basal fertilizer finished product is obtained.
6. the preparation method of broccoli Special basal fertilizer according to claim 5, which is characterized in that in step S3, compacting
Pressure is 4~5MPa；In step S4, the pressure of compacting is 3~3.8MPa；In step S5, the pressure of compacting is 1.8~
2.5MPa。
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Cited By (1)
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| CN110483214A (en) * | 2019-09-25 | 2019-11-22 | 中国农业大学 | A kind of high-effective organic and inorganic compound fertilizer and its production method |
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