CN109678623A - Sunflower special-purpose control-release fertilizer - Google Patents
Sunflower special-purpose control-release fertilizer Download PDFInfo
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- CN109678623A CN109678623A CN201910049809.6A CN201910049809A CN109678623A CN 109678623 A CN109678623 A CN 109678623A CN 201910049809 A CN201910049809 A CN 201910049809A CN 109678623 A CN109678623 A CN 109678623A
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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
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
-
- 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
- C05G3/90—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting the nitrification of ammonium compounds or urea in the soil
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Soil Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Fertilizers (AREA)
Abstract
The present invention relates to a kind of sunflower special-purpose control-release fertilizers, it includes nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, sulfur fertilizer, iron fertilizer and zinc fertilizer, in sunflower special-purpose control-release fertilizer, the content of various effective chemical elements is respectively as follows: nitrogen with the weight percent of pure nutrition calculation for 26%-28%, phosphorus pentoxide is 10%-12%, potassium oxide is 7%-9%, sulphur is 0.2%-2.0%, iron is 0.2%-0.6%, zinc is 0.2%-0.7%, dicyandiamide is 0.5%-1% and humic acid is 6%-9%, wherein, nitrogenous fertilizer includes Controlled Release Nitrogen Fertilizer, the content of nitrogen in Controlled Release Nitrogen Fertilizer for institute's Nitrogen element total amount in nitrogenous fertilizer 28.6%-34.6%.Fertilizer nutrient proportion as described above according to the present invention is reasonable, meet demand of the sunflower time of infertility to nutrient, utilization rate of fertilizer is high, save the investment and cost of labor of top dressing, suitable iron fertilizer and zinc fertilizer are added simultaneously, the content of iron zinc in sunflower seed can be improved, strengthens for sunflower quality improving, micro-element nutrition and economic benefit promotion lays the foundation.
Description
Technical field
The present invention relates to a kind of release and release control fertilizers, more particularly, to a kind of suitable for the same dedicated control of sunflower broadcast of seed manure
Release fertilizer.
Background technique
Background of related of the invention is illustrated below, but these explanations might not constitute it is of the invention existing
Technology.
Sunflower is one of the four big oil crops that the world is planted extensively.For many years, hybrid sunflower because its plant it is whole
Homogeneous cause, high yield, high oil, various advantages such as Comprehensive Traits are good, grain quality is uniform and depth are by farmer and fats and oils processing
The welcome of enterprise is planted extensively in multiple provinces, autonomous regions and municipalities, China.
The rational application of fertilizer can dramatically increase grain yield and improve seed oil content, if but fertilizer application excess, it can not only make
At the increase of input cost and the waste of resource, also environment can be polluted because nutriment is not effectively absorbed.In recent years,
During sunflower planting, peasant's blindness in fertilising is larger, and it is very few that there are organic manure application rates, nitrogenous fertilizer and Phosphorus fertilizer usage
The problems such as inadequate.The fertilization mode of peasant is still the method that chemical fertilizer bottom application adds top dressing, carries out top dressing fertilising to sunflower and exists
Some drawbacks, first is that it is big to sunflower plant damage, it is unfavorable for kernel grouting and increase grain-weight；Second is that it is laborious, take a lot of work, increase cost
Investment and peasant burden.
With the development of fertilizer industry, Controlled Release Fertilizer increasingly caused by everybody concern, domestic release and release control fertilizer industry grinds
Study carefully in progress, China has been developed that a variety of release and release control fertilizers, and advantage of lower cost, generally the 1.2~1.3 of common fertilizer times.
Portioned product is mainly used for the crops such as rice, cotton, fruit tree at present, and achieves preferable effect.In rice, wheat, cotton
The Experiment On Fertilizer Efficiency of Long-lasting Ammonium-bicarbonate carried out on the crops such as flower, sugarcane, tealeaves, rubber and kelp is studies have shown that long in sandy soil
The fertilizer efficiency for imitating ammonium bicarbonate is higher than normal ammonium bicarbonate, and can reduce fertilizer application frequency, and effect of increasing production is obvious.With release and release control fertilizer production cost
Reduction and yield increase, extensive use of the release and release control fertilizer in all kinds of crop productions be chemical fertilizer development certainty side
To sunflower applies special-purpose control-release fertilizer and also will increasingly be paid close attention to by everybody.
Controlled Release Fertilizer can slow down or control the release of nutrient, and fertilizer efficiency period is long and stablizes, and be able to satisfy sunflower in entire breeding time
Demand to nutrient；Reduce the loss such as elution of fertilizer；Dose and number can be reduced, labour is saved, improves the benefit of fertilizer
It with efficiency, improves the yield and quality, saves agriculture production cost.
Summary of the invention
For the above-mentioned problems in the prior art, the object of the present invention is to provide a kind of suitable for sunflower growth
Special-purpose control-release fertilizer, it fully takes into account the nutrient requirement characteristics in sunflower growth period, by N P and K and middle microelement with suitable
Ratio cooperation, and suitable dicyandiamide, humic acid is added.It not only can satisfy the needs of sunflower the previous growth,
It is able to satisfy squaring period, florescence, pustulation period, maturity period nutrient demand, reduces fertilizer loss caused by multiple top dressing, improves fertilizer
Effect, it is horizontal that the iron fertilizer and zinc fertilizer of addition can be improved the iron of seed, zinc nutrition, the humic acid of addition can be improved soil productivity and
The dicyandiamide of sunflower seeds quality, addition can also improve fertilizer effectiveness.
According to an embodiment of the invention, providing a kind of sunflower special-purpose control-release fertilizer, which includes nitrogen
Fertilizer, phosphate fertilizer, potash fertilizer, sulfur fertilizer, iron fertilizer and zinc fertilizer, in sunflower special-purpose control-release fertilizer, the content of various effective chemical elements is with pure
The weight percent of nutrition calculation be respectively as follows: nitrogen be 26%-28%, phosphorus pentoxide 10%-12%, potassium oxide 7%-
9%, sulphur 0.2%-2.0%, iron 0.2%-0.6%, zinc 0.2%-0.7%, dicyandiamide are 0.5%-1% and humic
Acid is 6%-9%, wherein the nitrogenous fertilizer includes Controlled Release Nitrogen Fertilizer, and the content of the nitrogen in the Controlled Release Nitrogen Fertilizer is the nitrogenous fertilizer
The 28.6%-34.6% of middle institute's Nitrogen element total amount.
The fertilizer nutrient proportion according to the present invention being formulated as described above rationally, meets the sunflower time of infertility to nutrient
Demand, utilization rate of fertilizer is high, can remarkably promote the growth in sunflower seedling stage, improves sunflower leaf area, increases biomass.It uses
After iron fertilizer, zinc fertilizer, the content of iron and zinc in seed can increase, lay the foundation to improve the yield and quality later.By applying such as
The fertilizer of the upper formula can reduce the unreasonable application of chemical fertilizer, it is therefore prevented that the waste of fertilizer, while top dressing can also be avoided
The investment of bring human and material resources and fund reduces production cost.
The preferred embodiment of sunflower special-purpose control-release fertilizer according to the present invention, it is various in sunflower special-purpose control-release fertilizer
The content of effective chemical element with the weight percent of pure nutrition calculation be respectively as follows: nitrogen be 26%, phosphorus pentoxide 11%, chlorine
Change potassium is 8%, sulphur 1.0%, iron 0.6%, zinc 0.7%, dicyandiamide are 0.5% and humic acid is 8%.
Nitrogen member in the further preferred embodiment of sunflower special-purpose control-release fertilizer according to the present invention, in Controlled Release Nitrogen Fertilizer
The content of element is 30.8% of institute's Nitrogen element total amount in nitrogenous fertilizer.
Another preferred embodiment of sunflower special-purpose control-release fertilizer according to the present invention, Controlled Release Nitrogen Fertilizer are coated with resin urine
Element.
In an also preferred embodiment for sunflower special-purpose control-release fertilizer according to the present invention, the acquisition time of Controlled Release Nitrogen Fertilizer
It is 60 days.
Another preferred embodiment of sunflower special-purpose control-release fertilizer according to the present invention, in sunflower special-purpose control-release fertilizer
In, the parts by weight of various effective chemical elements are respectively as follows: 310 parts~345 parts common ureas, 200 parts~220 parts Controlled-release nitrogens
Fertilizer, 165 parts~195 parts monoammonium phosphate, 115 parts~150 parts potassium chloride, 0 part~55 parts ammonium sulfate, 10~30 part of seven water sulfuric acid are sub-
Iron, 10 parts~30 parts white vitriols, 5~10 parts of dicyandiamides and 60 parts~90 parts ammonium humate soil conditioners.
It is dedicated release-controlled in sunflower in another preferred embodiment of sunflower special-purpose control-release fertilizer according to the present invention
In fertilizer, the parts by weight of various effective chemical elements are respectively as follows: 325 parts of common ureas, 200 parts of Controlled Release Nitrogen Fertilizers, 181 parts of phosphoric acid one
Ammonium, 134 parts of potassium chloride, 15 parts of ammonium sulfate, 30 parts of ferrous sulfate heptahydrates, 30 parts of white vitriols, 5 parts of dicyandiamides and 80 parts of corruption
Grow sour ammonium soil conditioner.
Another preferred embodiment of sunflower special-purpose control-release fertilizer according to the present invention, phosphate fertilizer are selected from monoammonium phosphate, phosphorus
At least one of sour diammonium, calcium superphosphate, double superhosphate and calcium magnesium phosphate.
In another preferred embodiment of sunflower special-purpose control-release fertilizer according to the present invention, potash fertilizer is potassium chloride.
Compared with prior art, the nutrient formula of sunflower special-purpose control-release fertilizer according to the present invention is reasonable, meets sunflower
Breeding time grows the demand to nutrient.Utilization rate of fertilizer is high, can remarkably promote the growth of sunflower, joined in fertilizer appropriate
Iron fertilizer and zinc fertilizer, promote seed in iron and zinc accumulation, for improve sunflower yield and quality lay a good foundation.Together
When can reduce the investment of top dressing bring human and material resources and fund, improve economic well-being of workers and staff.
Specific embodiment
Exemplary embodiments of the present invention are described in detail below.Description to illustrative embodiments is only
It for illustration purposes, is definitely not to the present invention and its application or the limitation of usage.
The present invention proposes a kind of improved sunflower special-purpose control-release fertilizer, the sunflower special-purpose control-release fertilizer include nitrogenous fertilizer, phosphate fertilizer,
Potash fertilizer, sulfur fertilizer, iron fertilizer and zinc fertilizer, which can also include soil conditioner certainly can also be into one
Step includes calcareous fertilisers.In sunflower special-purpose control-release fertilizer according to the present invention, the parts by weight of various effective chemical elements are respectively as follows:
310 parts~345 parts common ureas, 200 parts~220 parts Controlled Release Nitrogen Fertilizers, 165 parts~195 parts monoammonium phosphate, 115 parts~150 parts chlorine
Change potassium, 0 part~55 parts ammonium sulfate, 10~30 parts of ferrous sulfate heptahydrates, 10 parts~30 parts white vitriols, 5~10 parts of dicyandiamides
And 60 parts~90 parts ammonium humate soil conditioners.It should be noted that can use known in the art and common
Various nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, sulfur fertilizer, iron fertilizer and zinc fertilizer, as long as can reach defined above various after the mixing of these fertilizer
The parts by weight of effective chemical element.
Advantageously, the parts by weight of each effective chemical element are respectively as follows: 325 parts of common ureas, 200 parts of Controlled Release Nitrogen Fertilizers, 181
Part monoammonium phosphate, 134 parts of potassium chloride, 15 parts of ammonium sulfate, 30 parts of ferrous sulfate heptahydrates, 30 parts of white vitriols, 5 parts of dicyandiamides with
And 80 parts of ammonium humate soil conditioners.
Formula fertilizer as described above according to the present invention can not only meet sunflower in breeding time to various fertilizer
Demand, but also the required middle microelement of its growth can be obtained by this fertilizer.In addition, according to the present invention by application
Sunflower special-purpose control-release fertilizer can also greatly save the fertilizer amount in sunflower planting, mitigate environmental pollution, it is therefore prevented that
The waste of fertilizer, while the investment of top dressing bring human and material resources and fund can also be reduced, to improve earning rate.It adopts
The yield and quality of sunflower can also be improved with the sunflower special-purpose control-release fertilizer of formula according to the present invention.
The content of various effective chemical elements of sunflower special-purpose control-release fertilizer according to the present invention is with the weight of pure nutrition calculation
Amount percentage be respectively as follows: nitrogen be 26%-28%, phosphorus pentoxide 10%-12%, potassium chloride 7%-9%, sulphur 0.2%-
2.0%, iron 0.2%-0.6%, zinc 0.2%-0.7%, dicyandiamide are 0.5%-1% and humic acid is 6%-9%.?
In sunflower special-purpose control-release fertilizer according to the present invention, nitrogenous fertilizer includes Controlled Release Nitrogen Fertilizer, and the content of the nitrogen in Controlled Release Nitrogen Fertilizer is institute
There is the 28.6%-34.6% of institute's Nitrogen element total amount in nitrogenous fertilizer.Further, the content of various effective chemical elements is with pure nutrient
The weight percent of calculating is respectively as follows: that nitrogen is 26%, phosphorus pentoxide 11%, potassium oxide 8%, sulphur 1.0%, iron are
0.6%, zinc 0.7%, dicyandiamide are 0.5% and humic acid is 8%.Here, nitrogenous fertilizer includes Controlled Release Nitrogen Fertilizer, in Controlled Release Nitrogen Fertilizer
The content of nitrogen be 30.8% of institute's Nitrogen element total amount in all nitrogenous fertilizer.Advantageously, Controlled Release Nitrogen Fertilizer is coated with resin urine
Element, the acquisition time of Controlled Release Nitrogen Fertilizer are 60 days.
Further, the nitrogenous fertilizer of sunflower special-purpose control-release fertilizer according to the present invention can be selected from urea, ammonium chloride, bicarbonate
One of ammonium and ammonium sulfate or more；The phosphate fertilizer of the sunflower special-purpose control-release fertilizer can selected from monoammonium phosphate, Diammonium phosphate (DAP),
One of calcium superphosphate, double superhosphate and calcium magnesium phosphate or more；The potash fertilizer of the sunflower special-purpose control-release fertilizer can be
Potassium sulfate or potassium chloride；Wherein, calcareous fertilisers can be one or both of calcium superphosphate, double superhosphate and calcium magnesium phosphate；It should
The iron fertilizer of sunflower special-purpose control-release fertilizer can be ferrous sulfate；The zinc fertilizer of the sunflower special-purpose control-release fertilizer can be zinc sulfate；Separately
Outside, 8% humic acid soil conditioner can be added in sunflower special-purpose control-release fertilizer according to the present invention.
Use weight percent content as described above the various groups of sunflower special-purpose control-release fertilizers being grouped as can for
Nutrition needed for day certain herbaceous plants with big flowers growth medium offer, to provide guarantee for sunflower growth.Due to sunflower according to the present invention
Nutrient needed for special-purpose control-release fertilizer is grown by sunflower carries out controlled release design, therefore, process of this fertilizer in the growth of sunflower
In can be absorbed by sunflower, have certain protective effect to soil quality, slow down the salt accumulation of soil.
The effect of sunflower special-purpose control-release fertilizer according to the present invention will be illustrated according to experiment below.Below to use
Special-purpose control-release fertilizer and traditional fertilization according to the present invention are planted sunflower respectively and are compared, wherein from the growth indexes of sunflower
The effect of two kinds of fertilizer is compared with two aspects of yield.
It is prepared herein using sunflower special-purpose control-release fertilizer component as described above according to the present invention, that is, uses 325 parts
Common urea, 200 parts of Controlled Release Nitrogen Fertilizers, 181 parts of monoammonium phosphate, 134 parts of potassium chloride, 15 parts of ammonium sulfate, 30 part of seven water sulfuric acid it is sub-
Iron, 30 parts of white vitriols, 5 parts of dicyandiamides and 80 parts of ammonium humate soil conditioners.Wherein, the content of effective chemical element
With the weight percent of pure nutrition calculation be respectively as follows: nitrogen be 26% (wherein 30.8% is Controlled-release nitrogen), phosphorus pentoxide 11%,
Potassium oxide is 8%, sulphur 1.0%, iron 0.6%, zinc 0.7%, dicyandiamide are 0.5% and humic acid is 8%.
Sunflower special-purpose control-release fertilizer according to the present invention is suitable for northern calacareous soil, in the Miyun County Ten Fort village Tong Jun
The village base Yun Ke, trial crops are sunflower.The result shows that per hectare applies sunflower special-purpose control-release fertilizer group according to the present invention
570 kilograms of Controlled Release Fertilizer for dividing preparation, (special-purpose control-release fertilizer, (it indicates that nitrogen content is 26%, phosphorus pentoxide to 26-11-8 for processing 1
The special-purpose control-release fertilizer that content is 11%, potassium oxide content is 8%, similarly hereinafter)) yield highest, reaches 264.2 kgs/acre, more traditional
Fertilizer treatment is 25.6 kgs/acre high, 43.6 kgs/acre high compared with blank control；Handle 2 (traditional fertilization) yield be 238.6 kilograms/
Mu is 18 kgs/acre higher than blank；Handle minimum 220.6 kgs/acre of 3 (blank control) yield.
As shown in table 1 below, it shows using sunflower special-purpose control-release fertilizer according to the present invention and traditional fertilization, not fertilizer test
It is compared in growth indexes and yield.
Test one
Test site: the Miyun County Ten Fort village the Tong Junzhuan base Yun Ke
Trial crops: sunflower (receiving seed) varieties of plant: Syngenta s606.
Plot area: long 30 meters wide 10 meters 300 square metres total.
Planting Row Distance: wide-narrow row planting, narrow row line-spacing 40cm, wide row line-spacing 60cm, spacing in the rows 35cm.
It is colonized the date: on July 1st, 2016
Test result
(1) harvest time growth indexes measurement result
September 32 days, when harvest, each 5 plants of cell grab sample measured plant plant height, stem thickness, faceplate diameter, the number of blade respectively.
Harvest time growth indexes measurement result shows: 1 (special-purpose control-release fertilizer) plant height of processing, stem thickness, faceplate diameter are all larger than
3 (blank controls) of 2 (traditional fertilizations) and processing are handled, are provided the foundation to improve yield；Handle 2 plant heights, stem thickness, faceplate diameter
3 (blank controls) are merely greater than handled, although illustrating that 2 fertilising of processing is more does not remarkably promote sunflower plant strain growth or raising
Yield.
(2) yield result
September 23 days, Controlled Release Fertilizer test concentrate surveying produce, 4 sample prescriptions are chosen in each processing, each sample prescription be arranged according to
20 plants of 2 sampling points of duplicate rows, i.e., each processing are arranged 8 sampling points and seed weighing are taken to survey production respectively.
Survey produce the result shows that, handle 1 (special-purpose control-release fertilizer, 26-11-8) yield highest, reach 264.2 kgs/acre, respectively
25.6 kgs/acre and 43.6 kgs/acre higher than 2 (traditional fertilizations) of processing and blank control, special-purpose control-release fertilizer significantly increases production
Amount；Handling 2 (traditional fertilization) yield is 238.6 kgs/acre, 18 kgs/acre higher than blank；Handle 3 (blank control) yield most
It is low, it is 220.6 kgs/acre.
Although referring to illustrative embodiments, invention has been described, but it is to be understood that the present invention does not limit to
The specific embodiment that Yu Wenzhong is described in detail and shows, without departing from claims limited range, this
Field technical staff can make various changes to the illustrative embodiments.
Claims (9)
1. a kind of sunflower special-purpose control-release fertilizer, including nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, sulfur fertilizer, iron fertilizer and zinc fertilizer, which is characterized in that in institute
It states in sunflower special-purpose control-release fertilizer, the content of various effective chemical elements is respectively as follows: nitrogen with the weight percent of pure nutrition calculation
For 26%-28%, phosphorus pentoxide 10%-12%, potassium chloride 7%-9%, sulphur 0.2%-2.0%, iron 0.2%-
0.6%, zinc 0.2%-0.7%, dicyandiamide 0.5%-1% and humic acid are 6%-9%,
Wherein, the nitrogenous fertilizer includes Controlled Release Nitrogen Fertilizer, and the content of the nitrogen in the Controlled Release Nitrogen Fertilizer is nitrogenous in the nitrogenous fertilizer
The 28.6%-34.6% of element total amount.
2. sunflower special-purpose control-release fertilizer according to claim 1, which is characterized in that in the sunflower special-purpose control-release fertilizer
In, the content of various effective chemical elements is respectively as follows: that nitrogen is 26%, phosphorus pentoxide is with the weight percent of pure nutrition calculation
11%, potassium oxide 8%, sulphur 1.0%, iron 0.6%, zinc 0.7%, dicyandiamide are 0.5% and humic acid is 8%.
3. sunflower special-purpose control-release fertilizer according to claim 2, which is characterized in that nitrogen in the Controlled Release Nitrogen Fertilizer
Content is 30.8% of institute's Nitrogen element total amount in the nitrogenous fertilizer.
4. sunflower special-purpose control-release fertilizer according to claim 1, which is characterized in that the Controlled Release Nitrogen Fertilizer is coated with resin urine
Element.
5. sunflower special-purpose control-release fertilizer according to claim 3 or 4, which is characterized in that the acquisition time of the Controlled Release Nitrogen Fertilizer
It is 60 days.
6. sunflower special-purpose control-release fertilizer according to claim 1, which is characterized in that in the sunflower special-purpose control-release fertilizer
In, the parts by weight of various effective chemical elements are respectively as follows: 310 parts~345 parts common ureas, 200 parts~220 parts Controlled-release nitrogens
Fertilizer, 165 parts~195 parts monoammonium phosphate, 115 parts~150 parts potassium chloride, 0 part~55 parts ammonium sulfate, 10~30 part of seven water sulfuric acid are sub-
Iron, 10 parts~30 parts white vitriols, 5~10 parts of dicyandiamides and 60 parts~90 parts of ammonium humate soil conditioner.
7. sunflower special-purpose control-release fertilizer according to claim 6, which is characterized in that in the sunflower special-purpose control-release fertilizer
In, the parts by weight of various effective chemical elements are respectively as follows: 325 parts of common urea, 200 parts of Controlled Release Nitrogen Fertilizers, 181 parts of phosphoric acid one
Ammonium, 134 parts of potassium chloride, 15 parts of ammonium sulfate, 30 parts of ferrous sulfate heptahydrates, 30 parts of white vitriols, 5 parts of dicyandiamides and 80 parts of corruption
Grow sour ammonium soil conditioner.
8. sunflower special-purpose control-release fertilizer according to claim 1, which is characterized in that the phosphate fertilizer is selected from monoammonium phosphate, phosphorus
At least one of sour diammonium, calcium superphosphate, double superhosphate and calcium magnesium phosphate.
9. sunflower special-purpose control-release fertilizer according to claim 1, which is characterized in that the potash fertilizer is potassium chloride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910049809.6A CN109678623A (en) | 2019-01-18 | 2019-01-18 | Sunflower special-purpose control-release fertilizer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910049809.6A CN109678623A (en) | 2019-01-18 | 2019-01-18 | Sunflower special-purpose control-release fertilizer |
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| CN109678623A true CN109678623A (en) | 2019-04-26 |
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ID=66193611
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| CN201910049809.6A Pending CN109678623A (en) | 2019-01-18 | 2019-01-18 | Sunflower special-purpose control-release fertilizer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113061065A (en) * | 2021-05-14 | 2021-07-02 | 内蒙古自治区农牧业科学院 | Special fertilizer for sunflower and preparation method and application method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS516901A (en) * | 1974-07-05 | 1976-01-20 | Dainichiseika Color Chem | GOSEI FUSHOKU |
| CN1235944A (en) * | 1999-06-18 | 1999-11-24 | 徐忱修 | Polyary long acting organic compound fertilizer and its preparing method |
| CN101857515A (en) * | 2010-06-10 | 2010-10-13 | 北京市农林科学院 | Coated controlled-release fertilizer specialized for summer corns and preparation method thereof |
-
2019
- 2019-01-18 CN CN201910049809.6A patent/CN109678623A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS516901A (en) * | 1974-07-05 | 1976-01-20 | Dainichiseika Color Chem | GOSEI FUSHOKU |
| CN1235944A (en) * | 1999-06-18 | 1999-11-24 | 徐忱修 | Polyary long acting organic compound fertilizer and its preparing method |
| CN101857515A (en) * | 2010-06-10 | 2010-10-13 | 北京市农林科学院 | Coated controlled-release fertilizer specialized for summer corns and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113061065A (en) * | 2021-05-14 | 2021-07-02 | 内蒙古自治区农牧业科学院 | Special fertilizer for sunflower and preparation method and application method thereof |
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