CN107473885A - A kind of special iron fertilizer of basic soil and its formula, preparation method - Google Patents
A kind of special iron fertilizer of basic soil and its formula, preparation method Download PDFInfo
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- CN107473885A CN107473885A CN201710695456.8A CN201710695456A CN107473885A CN 107473885 A CN107473885 A CN 107473885A CN 201710695456 A CN201710695456 A CN 201710695456A CN 107473885 A CN107473885 A CN 107473885A
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- attapulgite modified
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D5/00—Fertilisers containing magnesium
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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
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
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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
- C05G5/00—Fertilisers characterised by their form
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
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- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
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- Inorganic Chemistry (AREA)
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Abstract
The present invention relates to a kind of special iron fertilizer of basic soil and its formula, preparation method, it is related to technical field of fertilizers.The basic soil Special iron fertilizer formula, by mass percentage, including：First attapulgite modified 40 50%, second attapulgite modified 0.3% 1.5%, turf 23 30%, iron fertilizer 13 20%, bentonite adhesive 5 10%, first it is attapulgite modified with second it is attapulgite modified be it is acid treated be in weakly acidic attapulgite, effectively facilitate crop yield and improve its product quality.The preparation method of the special iron fertilizer of the basic soil, it is simple to operate controllable, industrialized production can be achieved, there is excellent economic value.The special iron fertilizer of the basic soil as made from the preparation method of the special iron fertilizer of above-mentioned basic soil, its nutrition-allocated proportion is reasonable, can provide ferro element for crop with continuous and effective, effectively facilitate it and grow, while prevents from improving soil environment, prevents from polluting environment.
Description
Technical field
The present invention relates to technical field of fertilizers, and the special iron fertilizer of more particularly to a kind of basic soil and its formula, making side
Method.
Background technology
China is large agricultural country, and it is the important measures for ensureing grain yield to apply fertilizer.But the chemical fertilizer profit in China for a long time
Reduced levels, only 30%-35%, high Fertilization Level and relatively low utilization rate of fertilizer are in rate, causes serious resource wave
Take and environmental problem.Developing new has efficiently and the multifunctional slow-release fertilizer of environmentally friendly feature is solve these problems important
Means.Slow release fertilizer can reduce nutrient release rate, and long-acting nutrient supply is provided for crop, both improves utilization rate of fertilizer
Decrease the pollution to environment.
But in the Northwest, or even whole northern area is mostly basic soil environment.And in alkaline soils, iron has
Effect property reduces, and is not easy to be absorbed by crop, such as lanzhou lily, easily causes the generation of crop iron chlorosis disease, or even leads
Cause plant withered death.
Currently for the Fe deficiency symptoms occurred in crop, such as lanzhou lily plantation.Add before generally use plantation into soil
The careless carbon of increasing amount improves soil environment and applies the method for ferric sulfate or cheated iron fertilizer within the breeding time of lily, but these
Method cost is too high and effect is not lasting, has aggravated the burden of peasant significantly, reduces the profit of lanzhou lily plantation industry,
Largely also bring potential threat to Environmental security and soil quality using turf and iron fertilizer simultaneously.
The content of the invention
It is an object of the invention to provide a kind of basic soil Special iron fertilizer formula, the formula nutritional reasonable mixture ratio, effectively
Solve above-mentioned technical problem, while effectively facilitate crop yield and improve its product quality.
It is simple to operate controllable another object of the present invention is to provide a kind of preparation method of the special iron fertilizer of basic soil,
Industrialized production can be achieved, there is excellent economic value.
Another object of the present invention is to provide a kind of alkali as made from the preparation method of the special iron fertilizer of above-mentioned basic soil
Property the special iron fertilizer of soil, its nutrition-allocated proportion is reasonable, can provide ferro element with continuous and effective for crop, effectively facilitate its growth hair
Educate, while prevent from improving soil environment, prevent from polluting environment.
The present invention is solved its technical problem and realized using following technical scheme.
The present invention proposes a kind of basic soil Special iron fertilizer formula, by mass percentage, including：
First attapulgite modified 40-50%, the second attapulgite modified 0.3%-1.5%, turf 23-30%, iron fertilizer
13-20%, bentonite adhesive 5-10%.
Preferably, the first attapulgite modified 47-49%, the second attapulgite modified 0.5%-1%, turf 25-29%,
Iron fertilizer 14-17%, bentonite adhesive 6-9%.
It is highly preferred that the first attapulgite modified 48-48.5%, the second attapulgite modified 0.5%-1%, turf 26-
28%, iron fertilizer 15-16%, bentonite adhesive 7-9%.
First it is attapulgite modified with second it is attapulgite modified be it is acid treated be in weakly acidic attapulgite.
The present invention proposes a kind of preparation method of the special iron fertilizer of basic soil, by above-mentioned basic soil Special iron fertilizer formula,
By first attapulgite modified, turf, iron fertilizer, and bentonite adhesive mixing, it is granulated, obtains initial sample.
In the attapulgite modified progress first time coating processing of the surface of initial sample parcel second.
The present invention proposes a kind of special iron fertilizer of basic soil, and it is made by above-mentioned preparation method.
The special iron fertilizer of basic soil and its formula of the embodiment of the present invention, the beneficial effect of preparation method are：
By turf and the rational proportion of bentonite adhesive, the ability of the water holding of soil, ventilation and fertilizer conservation is effectively improved,
Increase soil nutrient composition, especially more arid the Northwest simultaneously, soil environment is more suitable for long-term cropping, for example, it is blue
State lily etc..Meanwhile attapulgite has the function that to nurse one's health soil in itself and improves fertilizer efficiency, acid treated obtained modification is recessed
Convex rod soil not only retains its own original characteristic, also increase effectively the energy of adsorption of its specific surface area and heavy metal ion
Power, effectively slow down nutrient, such as the release of iron fertilizer.Iron fertilizer content is reasonable simultaneously, effectively meets crop, such as lanzhou lily
Required for growing, avoid waste simultaneously, pollute environment.
And the rational proportion of the acid core texture and iron fertilizer of turf, bentonite adhesive, attapulgite modified composition
The oxidation of iron fertilizer in alkaline soils can greatly be slowed down, ensure the long-acting supply of iron fertilizer.
Meanwhile preparation method is easy to accurately control, three-waste free discharge, large-scale industrial production can be achieved, have preferable
Economic value.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by embodiment it is required use it is attached
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore be not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is four groups for the treatment of group lanzhou lilies that test example of the present invention provides during 2015 and difference in 2016
Plant height column schematic diagram；
Fig. 2 is four groups for the treatment of group lanzhou lilies that test example of the present invention provides during 2015 and difference in 2016
Chlorophyll content column schematic diagram.
Embodiment
, below will be in the embodiment of the present invention to make the purpose, technical scheme and advantage of the embodiment of the present invention clearer
Technical scheme be clearly and completely described.Unreceipted actual conditions person, builds according to normal condition or manufacturer in embodiment
The condition of view is carried out.Agents useful for same or the unreceipted production firm person of instrument, it is the conventional production that can be obtained by commercially available purchase
Product.
It should be noted that the special iron fertilizer of basic soil provided by the invention can put on various crop, such as lanzhou lily,
Matrimony vine or eggplant etc., it is described in of the invention using lanzhou lily as target crop.
The special iron fertilizer of basic soil and its formula, preparation method of the embodiment of the present invention are specifically described below.
The present invention provides a kind of basic soil Special iron fertilizer formula, its by mass percentage, including：
First attapulgite modified 40-50%, the second attapulgite modified 0.3%-1.5%, turf 23-30%, iron fertilizer
13-20%, bentonite adhesive 5-10%.
Preferably, basic soil Special iron fertilizer formula by mass percentage, including：First attapulgite modified 47-
49%, the second attapulgite modified 0.5%-1%, turf 25-29%, iron fertilizer 14-17%, bentonite adhesive 6-9%.
It is highly preferred that basic soil Special iron fertilizer formula is by mass percentage, including：First attapulgite modified 48-
48.5%, the second attapulgite modified 0.5%-1%, turf 26-28%, iron fertilizer 15-16%, bentonite adhesive 7-9%；
Wherein, first it is attapulgite modified with second it is attapulgite modified be it is acid treated be in weakly acidic concave convex rod
Soil.By the rational proportion of above-mentioned each nutriment, make it that not only there are the multiple functions such as nutrition slow-release, soil conditioning, simultaneously
Effectively meet the nutritional need in lanzhou lily growth period, effectively facilitate it and grow, while prevent from improving soil environment, prevent
Pollute environment.It should be noted that " first ", " second " herein is only used for distinguishing attapulgite modified, i.e., the first modification bumps
Rod is native and second is attapulgite modified substantially identical.
Liked due to lanzhou lily and cool, avoid high temperature, be adapted in the loose grown on soil in the Northwest.But northwest compared with
For arid, therefore appropriate turf is added in soil, be effectively improved the ability of the water holding of soil, ventilation and fertilizer conservation, can also increase
Add soil nutrient composition.After the bentonite adhesive of addition is manured into soil simultaneously, energy water swelling, change solid, liquid in soil
The ratio of body, gas, make soil texture is loose, play a part of improve soil physical property, make soil water-retaining, fertilizer conservation again it is not dirty
Soil environment is contaminated, by the effect of turf and bentonite adhesive, soil property, especially arid area soil can be effectively improved
Earth.
The Northwest simultaneously, or even the region of whole northern area suitable planting lily is mostly basic soil environment.And
In basic soil, the validity of iron reduces, and is not easy to be absorbed by lanzhou lily, so as to cause lanzhou lily iron chlorosis disease
Occur.
Attapulgite has the function that good conditioning soil and improves fertilizer efficiency in itself, after acidified processing, not only protects
Its own original characteristic is stayed, further and the combination of the raw material such as turf makes it have a variety of work(such as nutrition slow-release, soil conditioning concurrently
Can, while the adsorption capacity of attapulgite modified specific surface area and heavy metal ion is also increase effectively, so as to effectively slow down
The release of the nutrients such as iron, improves the utilization rate of iron, while is effectively improved basic soil, prevents nutrient in basic soil
In be oxidized reduce effective rate of utilization, such as iron fertilizer in ferrous ion be oxidized to ferric ion etc., be effectively improved nutrition
The validity of element reduces, the drawbacks of being not easy to be absorbed by lanzhou lily.
Meanwhile and turf, bentonite adhesive, attapulgite modified composition acid core texture and iron fertilizer it is reasonable
Ratio can greatly slow down the oxidation of iron fertilizer in alkaline soils, ensure the long-acting supply of ferro element.
Preferably, in preferred embodiments of the present invention, attapulgite modified is that acid treated pH is the recessed of 5.0-6.5
Convex rod soil；The adsorption capacity of attapulgite modified specific surface area and heavy metal ion in the range of the pH is preferable, sustained release
Fertilizer efficiency effect is good.
Preferably, in preferred embodiments of the present invention, attapulgite modified is after acid soak 1.8-2.5h, is washed to
PH is 5.0-6.5, the attapulgite after drying；It is easy to operation, you can to realize small-scale operations, large-scale production can be realized again.
Wherein, drying can use the equipment such as baking oven to carry out, such as in 95-115 DEG C of dry 7-9h, effectively remove moisture removal, be easy to follow-up add
Work, storage etc..Likewise it is preferred that carrying out pulverization process to the attapulgite after drying, it is easy to the later stage to mix, such as be crushed to 100
Mesh etc..
Preferably, in preferred embodiments of the present invention, acid is sulfuric acid, nitric acid or hydrochloric acid, but because nitric acid and hydrochloric acid have
There is volatility, operation is more dangerous, therefore acid is preferably sulfuric acid, it is highly preferred that acid is preferably 4mol/L sulfuric acid, its acid treatment
Effect is good.
Iron fertilizer can be the organic iron fertilizers such as ferrous sulfate, ferrous carbonate or ferric sulfate, or the urea of three nitric acid six closes
The organic iron fertilizer such as iron or fulvic acid diamines iron, but chelate iron fertilizer by the absorption rate of crop more preferably, it is while more stable.
It is preferred that in preferred embodiments of the present invention, iron fertilizer is chelated iron, such as EDDHA-Fe6 etc., while chela
Iron and attapulgite modified cooperation are closed, the oxidation of related trace element in alkaline soils can greatly be slowed down, ensured micro
The long-acting supply of element.
Preferably, in preferred embodiments of the present invention, mass percent is also included in basic soil Special iron fertilizer formula
For 0.04-0.4% coating agent, for carrying out coating processing to the special iron fertilizer of basic soil, further effectively control element
Rate of release, so as to improve the utilization rate of fertilizer of the special iron fertilizer of basic soil.
It is highly preferred that in preferred embodiments of the present invention, coating agent is 0.02-0.2 including mass ratio：0.02-0.2's
Polyester resin and epoxy resin.By the structure of double-layer resin coating, the protection to nutrient in fertilizer is further enhanced,
So as to reach the function of slow release long-acting.
The preparation method that the present invention also provides a kind of special iron fertilizer of basic soil, it is matched somebody with somebody by the special iron fertilizer of basic soil
Side, first, by first attapulgite modified, turf, iron fertilizer, and bentonite adhesive mixing, it is granulated, obtains initial sample.
Alternatively, in preferred embodiments of the present invention, addition is first attapulgite modified when mixing, turf, iron fertilizer,
And the 15-25% of the gross weight of bentonite adhesive atomized water.Make to keep suitable humidity in mixed process, after being advantageous to
Continuous granulation, while effective dust.
Specifically, can be that mixed process at the uniform velocity adds atomized water, can also be directly in proportion by core material and atomization
Water mixes, and can also be after first core material is mixed, then mixes with atomized water, is not specifically limited herein.Preferably, exist
In preferred embodiments of the present invention, it is granulated as mixed raw material to be first made as to a diameter of 4-6mm roll bar, then pass through 40-
45rps/min disc granulation 12-20min, by way of the granulation of first pressure roller rear disk, significantly enhance final granulated fertilizer
Compactness, the stability of product quality is got a promotion, meanwhile, using which be granulated without sieving, you can obtain particle diameter
For 4-6mm granular initial sample, technological process is effectively saved.
Specifically, above-mentioned granulation can be carried out in pressure roller disc granulation all-in-one, be not specifically limited herein.
It should be noted that being granulated can also use existing fertilizer granulating process to carry out.
Then in the attapulgite modified progress first time coating processing of the surface of initial sample parcel second, iron is effectively improved
The slow release effect of fertilizer.
Preferably, also include second of coating in preferred embodiments of the present invention, after the processing of first time coating to handle, the
Secondary coating is handled：The surface of the initial sample after the processing of first time coating is wrapped up using coating agent, coating agent
Addition for basic soil Special iron fertilizer formula quality 0.06-0.3%.Specifically, can be by coating agent according to the above ratio
Make an addition in coating mixer, start mixer, coating agent is wrapped in the outer layer of the fertilizer after first time coating is handled, as
The second layer is release-controlled coated.Pass through two layers of release-controlled coated sustained release effect worked in coordination, effectively increase the special iron fertilizer of basic soil
Fruit, ferro element etc. is further prevented to be oxidized.
It is highly preferred that in preferred embodiments of the present invention, coating agent is 0.02-0.2 including mass ratio：0.02-0.2's
Polyester resin and epoxy resin, by the rational proportion of two kinds of resins, further enhance to attapulgite modified, iron fertilizer etc.
Protection, so as to reach the long-acting function of efficiency slow release.
The special iron fertilizer of the basic soil as made from above-mentioned preparation method, efficiency slow release is long-acting, is effectively improved in basic soil,
The Fe deficiency symptoms of lanzhou lily, while effectively prevent the pollution of the environment, reduce farmer's burdens simultaneously, effectively improve plantation lanzhou lily
Economic value.
Preferably, in preferred embodiments of the present invention, the grain diameter of the special iron fertilizer of basic soil is 4mm-6mm, is easy to
Sow and make.
The feature and performance of the present invention are described in further detail with reference to embodiments.
Embodiment 1
A kind of special iron fertilizer of basic soil, it is made by following preparation method：
By basic soil Special iron fertilizer formula, by first attapulgite modified, turf, iron fertilizer, and bentonite adhesive
In compound after being pulverized and mixed, 20% atomized water of compound gross weight is added, after stirring is sufficiently mixed it, input pressure
Roller disc granulation all-in-one, start pressure roller disc granulation all-in-one, be first compressed into a diameter of 4mm roll bar, roll bar is put into
Rotated after disk according to 45rps/min, shut down discharging after operating 13min, obtain initial sample.Then, in the surface of initial sample
After wrapping up the second attapulgite modified progress first time coating processing, matter of the addition for basic soil Special iron fertilizer formula is used
After 0.3% coating agent of amount continues second of coating processing, dry, the basic soil for obtaining particle diameter 4mm-6mm is special
Iron fertilizer.
Wherein, basic soil Special iron fertilizer formula, by mass percentage, including：First attapulgite modified 48%, the
Two attapulgite modified 1.2%, turf 25%, iron fertilizer 16%, bentonite adhesive 9.5%.
Attapulgite modified is after 4mol/L sulfuric acid soaks 2.5h, and it is 6.5 to be washed to pH, the concave convex rod after drying
Soil.Iron fertilizer is chelated iron.
It is 1 that coating agent, which includes mass ratio,：1 polyester resin and epoxy resin.
Embodiment 2
A kind of special iron fertilizer of basic soil, it is made by following preparation method：
By basic soil Special iron fertilizer formula, by first attapulgite modified, turf, iron fertilizer, and bentonite adhesive
In compound after being pulverized and mixed, 23% atomized water of compound gross weight is added, after stirring is sufficiently mixed it, input pressure
Roller disc granulation all-in-one, start pressure roller disc granulation all-in-one, be first compressed into a diameter of 6mm roll bar, roll bar is put into
Rotated after disk according to 45rps/min, shut down discharging after operating 15min, obtain initial sample.Then, in the surface of initial sample
After wrapping up the second attapulgite modified progress first time coating processing, matter of the addition for basic soil Special iron fertilizer formula is used
After 0.2% coating agent of amount continues second of coating processing, dry, the basic soil for obtaining particle diameter 4mm-6mm is special
Iron fertilizer.
Wherein, basic soil Special iron fertilizer formula, by mass percentage, including：First attapulgite modified 48.3%,
Second attapulgite modified 0.7%, turf 27%, iron fertilizer 15.8%, bentonite adhesive 8%.
Attapulgite modified is after 4mol/L sulfuric acid soaks 2.5h, and it is 6.5 to be washed to pH, the concave convex rod after drying
Soil.Iron fertilizer is chelated iron.
It is 1 that coating agent, which includes mass ratio,：1 polyester resin and epoxy resin.
Embodiment 3
A kind of special iron fertilizer of basic soil, it is made by following preparation method：
By basic soil Special iron fertilizer formula, by first attapulgite modified, turf, iron fertilizer, and bentonite adhesive
In compound after being pulverized and mixed, 18% atomized water of compound gross weight is added, after stirring is sufficiently mixed it, input pressure
Roller disc granulation all-in-one, start pressure roller disc granulation all-in-one, be first compressed into a diameter of 5mm roll bar, roll bar is put into
Rotated after disk according to 45rps/min, shut down discharging after operating 17min, obtain initial sample.Then, in the surface of initial sample
After wrapping up the second attapulgite modified progress first time coating processing, matter of the addition for basic soil Special iron fertilizer formula is used
After 0.04% coating agent of amount continues second of coating processing, dry, the basic soil for obtaining particle diameter 4mm-5mm is special
Iron fertilizer.
Wherein, basic soil Special iron fertilizer formula, by mass percentage, including：First attapulgite modified 48.8%,
Second attapulgite modified 1.2%, turf 26%, iron fertilizer 15.56%, bentonite adhesive 8.4%.
Attapulgite modified is after 4mol/L sulfuric acid soaks 2.5h, and it is 6.5 to be washed to pH, the concave convex rod after drying
Soil.Iron fertilizer is chelated iron.
It is 1 that coating agent, which includes mass ratio,：2 polyester resin and epoxy resin.
Embodiment 4
A kind of special iron fertilizer of basic soil, it is made by following preparation method：
By basic soil Special iron fertilizer formula, by first attapulgite modified, turf, iron fertilizer, and bentonite adhesive
In compound after being pulverized and mixed, 20% atomized water of compound gross weight is added, after stirring is sufficiently mixed it, input pressure
Roller disc granulation all-in-one, start pressure roller disc granulation all-in-one, be first compressed into a diameter of 6mm roll bar, roll bar is put into
Rotated after disk according to 45rps/min, shut down discharging after operating 13min, obtain initial sample.Then, in the surface of initial sample
After wrapping up the second attapulgite modified progress first time coating processing, matter of the addition for basic soil Special iron fertilizer formula is used
After 0.1% coating agent of amount continues second of coating processing, dry, the basic soil for obtaining particle diameter 4mm-6mm is special
Iron fertilizer.
Wherein, basic soil Special iron fertilizer formula, by mass percentage, including：First attapulgite modified 48.9%,
Second attapulgite modified 1%, turf 27%, iron fertilizer 16.5%, bentonite adhesive 6.5%.
Attapulgite modified is after 4mol/L sulfuric acid soaks 2.5h, and it is 6.2 to be washed to pH, the concave convex rod after drying
Soil.Iron fertilizer is chelated iron.
It is 1 that coating agent, which includes mass ratio,：2 polyester resin and epoxy resin.
Embodiment 5
By basic soil Special iron fertilizer formula, by first attapulgite modified, turf, iron fertilizer, and bentonite adhesive
In compound after being pulverized and mixed, 23% atomized water of compound gross weight is added, after stirring is sufficiently mixed it, input pressure
Roller disc granulation all-in-one, start pressure roller disc granulation all-in-one, be first compressed into a diameter of 6mm roll bar, roll bar is put into
Rotated after disk according to 45rps/min, shut down discharging after operating 15min, obtain initial sample.Then, in the surface of initial sample
After wrapping up the second attapulgite modified progress first time coating processing, dry, obtain particle diameter 4mm-6mm basic soil Special iron
Fertilizer.
Wherein, basic soil Special iron fertilizer formula, by mass percentage, including：First attapulgite modified 48.5%,
Second attapulgite modified 0.7%, turf 27%, iron fertilizer 15.8%, bentonite adhesive 8%.
Attapulgite modified is after 4mol/L sulfuric acid soaks 2.5h, and it is 6.5 to be washed to pH, the concave convex rod after drying
Soil.Iron fertilizer is chelated iron.
Test example
Method provided in an embodiment of the present invention and formula are repeated, enough fertilizer is made, Lanzhou is carried out in northwest somewhere
Lily planting experiment.Tetra- treatment groups of A, B, C and D are set, while each processing sets three replicated plots, each plot area
It is 4 × 4m.
Wherein, A uses embedding fertilizer provided by the invention, i.e., does not only carry out coating with the second attapulgite modified embedding
Iron fertilizer handled；B uses coating iron fertilizer provided by the invention, i.e., simultaneously by the second attapulgite modified embedding, and
The iron fertilizer for carrying out coating on this basis is handled；C is handled only with the chelating iron fertilizer of equivalent；D is not apply iron fertilizer
Blank control group, wherein, the iron fertilizer in A, B is chelating iron fertilizer.
Four treatment groups are respectively using the healthy lanzhou lily bulb that average weight is 21g, respectively on May 3rd, 2015
Sowing, wherein：Line-spacing 0.25m, spacing in the rows 0.15m, depth 5cm.Four treatment groups apply the fertilizer of equivalent, during which field management phase
Together.
After 2016, the lanzhou lily harvest of tetra- treatment groups of A, B, C and D, to the reason of the soil of four treatment groups
Change environment to be studied according to existing method, as a result as shown in table 1：
Soil physico-chemical property after 1 2016 years harvests of table
Wherein, the letter after each parameter represents the conspicuousness (p of difference<0.05).Same row same letter represents difference not
Significantly.
It can be obtained by table 1, in treatment group A and B, soil iron content is higher than treatment group C, but totally after harvesting, treatment group A,
B, each physical and chemical parameter difference is not notable in C and D soil.
Meanwhile measure in four groups for the treatment of groups, when lanzhou lily is in sowing time, budding period and florescence, in soil
DTPA-Fe, as a result as shown in table 2.
DTPA-Fe in the soil of table 2
It can be obtained by table 2, although treatment group B, in sowing time, the DTPA-Fe in soil is relatively low, and its slow release effect is most
Good, at budding period and florescence, the DTPA-Fe in soil is higher, and much larger than treatment group A, C and D, fertilizer efficiency is permanent, simultaneously
Effectively improve the utilization rate of iron in fertilizer.Meanwhile although treatment group A is ineffective compared with treatment group B, its slow release effect
It is more permanent apparently higher than treatment group C, fertilizer efficiency.
Meanwhile according to incidence=(plant number/every group of total plant number that yellows occur) % of iron chlorosis disease, contrast
Iron chlorosis disease incidences in 2015 and iron chlorosis disease incidence in 2016, as a result as shown in table 3.
The comparing result of table 3
It can be obtained according to table 3, the probability of iron chlorosis disease occurs for treatment group A, B, C in 2016 lanzhou lily compared to 2015
Declined every year, wherein, treatment group A rate of descent highest, mend iron best results, treatment group A, B compared to treatment group C, its
The probability of iron chlorosis disease occurred at 2015 and 2016 to be significantly reduced, and illustrates that the benefit iron for the treatment of group A, B is better,
It is more beneficial for being absorbed by lanzhou lily.
Biennial lanzhou lily yield is measured simultaneously, while is contrasted with treatment group D, calculates units increased in production.As a result such as the institute of table 4
Show.
The yield of table 4
It can be obtained according to table 4, treatment group A, B and the increase of C yield, wherein treatment group A unitss increased in production are treatment group C volume increase
3 times of amount, and treatment group B unitss increased in production are 5 times for the treatment of group C units increased in production, it can be seen that, basic soil provided by the invention is special
The yield of lanzhou lily is effectively improved with iron fertilizer.
Simultaneously four groups for the treatment of group lilies of measurement at 2015 and 2016, when lanzhou lily is in sowing time, rudiment
Plant height and chlorophyll content when phase and florescence, as a result as shown in Figure 1 and Figure 2.
It can be obtained by Fig. 1, at 2015 and 2016, lanzhou lily was at sowing time, budding period and florescence, treatment group
A and treatment group B plant height are superior to treatment group C and treatment group D, meanwhile, treatment group B plant height highest.
It can be obtained by Fig. 2, at 2015 and 2016, lanzhou lily was at sowing time, budding period and florescence, treatment group
Treatment group C and treatment group D are superior to treatment group B chlorophyll content, meanwhile, treatment group B chlorophyll content highest, i.e.,
Its light and effect are optimal, effectively improve the accumulation of dry in lanzhou lily stem tuber, improve product quality.
To sum up, the special iron fertilizer of the basic soil of the embodiment of the present invention and its formula, preparation method, formula nutritional proportioning are closed
Reason, effectively solve the Northwest's crop iron deficiency disease disease, effectively improve yield and quality.The preparation method is simple to operate can
Control, industrialized production can be achieved, there is excellent economic value.The fertilizer as made from above-mentioned preparation method, effectively facilitates crop
Grow, while prevent from improving soil environment, prevent from polluting environment.
Embodiments described above is part of the embodiment of the present invention, rather than whole embodiments.The reality of the present invention
The detailed description for applying example is not intended to limit the scope of claimed invention, but is merely representative of the selected implementation of the present invention
Example.Based on the embodiment in the present invention, what those of ordinary skill in the art were obtained under the premise of creative work is not made
Every other embodiment, belongs to the scope of protection of the invention.
Claims (10)
- A kind of 1. basic soil Special iron fertilizer formula, it is characterised in that by mass percentage, including：First attapulgite modified 40-50%, the second attapulgite modified 0.3%-1.5%, turf 23-30%, iron fertilizer 13- 20%, bentonite adhesive 5-10%；Preferably, the described first attapulgite modified 47-49%, the second attapulgite modified 0.5%-1%, the turf 25-29%, the iron fertilizer 14-17%, the bentonite adhesive 6-9%；It is highly preferred that the first attapulgite modified 48-48.5%, the second attapulgite modified 0.5%-1%, described Turf 26-28%, the iron fertilizer 15-16%, the bentonite adhesive 7-9%；Described first it is attapulgite modified with described second it is attapulgite modified be it is acid treated be in weakly acidic concave convex rod Soil.
- 2. basic soil Special iron fertilizer formula according to claim 1, it is characterised in that be also including mass percent 0.04-0.4% coating agent；Preferably, the coating agent is 0.02-0.2 including mass ratio：0.02-0.2 polyester resin and epoxy resin.
- 3. basic soil Special iron fertilizer formula according to claim 1, it is characterised in that described first is attapulgite modified With described second it is attapulgite modified be after the acid soak 1.8-2.5h, it is 5.0-6.5 to be washed to pH, the bumps of drying Rod soil；Preferably, the acid is sulfuric acid, nitric acid or hydrochloric acid, preferably sulfuric acid, preferably 4mol/L sulfuric acid.
- A kind of 4. preparation method of the special iron fertilizer of basic soil, it is characterised in thatBasic soil Special iron fertilizer formula as described in claim 1, by the described first attapulgite modified, described turf, institute Iron fertilizer, and bentonite adhesive mixing are stated, is granulated, obtains initial sample；In the attapulgite modified progress first time coating processing of the surface of initial sample parcel second.
- 5. preparation method according to claim 4, it is characterised in that also include second after the first time coating processing Coating processing, second of coating processing are：The surface of the initial sample after the processing of first time coating is wrapped up using coating agent, the addition of the coating agent For the 0.06-0.3% of the quality of the basic soil Special iron fertilizer formula.
- 6. preparation method according to claim 5, it is characterised in that the coating agent is 0.02-0.2 including mass ratio： 0.02-0.2 polyester resin and epoxy resin.
- 7. preparation method according to claim 4, it is characterised in that be granulated a diameter of for mixed raw material is first made as 4-6mm roll bar, then pass through 40-45rps/min disc granulations 12-20min.
- 8. preparation method according to claim 4, it is characterised in that add first modified attapulgite when mixing Native, described turf, the iron fertilizer, and the 15-25% of the gross weight of bentonite adhesive atomized water.
- 9. a kind of special iron fertilizer of basic soil, it is characterised in that as the preparation method system described in claim 4-8 any one .
- 10. the special iron fertilizer of basic soil according to claim 9, it is characterised in that the special iron fertilizer of basic soil Grain diameter is 4mm-6mm.
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103563611A (en) * | 2013-07-24 | 2014-02-12 | 王运海 | Planting method for lilies |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103563611A (en) * | 2013-07-24 | 2014-02-12 | 王运海 | Planting method for lilies |
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| Title |
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| 高华 等: "凹凸棒土改性方法研究进展", 《资源开发与市场》 * |
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