CN1167747A - Long-acting additive for nitrogen fertilizer and nitrogen fertilizer adding the same - Google Patents
Long-acting additive for nitrogen fertilizer and nitrogen fertilizer adding the same Download PDFInfo
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- CN1167747A CN1167747A CN97110477A CN97110477A CN1167747A CN 1167747 A CN1167747 A CN 1167747A CN 97110477 A CN97110477 A CN 97110477A CN 97110477 A CN97110477 A CN 97110477A CN 1167747 A CN1167747 A CN 1167747A
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- additive
- nitrogen
- fertilizer
- weight
- nitrogen fertilizer
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Abstract
An additive of nitrogen ferilizer for making the nitrogen fertilizer long-acting and inhibiting the nitrating of the nitrogen fertilizer in soil contains guanyl thiourea and dicyandiamide. It can increase fertility by 40%, elongate the active period of nitrogen fertilizer to 100 days or more, and increase the yield of crops by 8-15%. It has low cost and consumption. The sugar content of crops can be increased.
Description
The present invention relates to a kind of being added in the fertilizer or urea that contains ammonium compound, influence the nitrogenous fertilizer long-acting additive of its nitrification in soil and the nitrogenous fertilizer of this additive of interpolation.
As everyone knows, ammonia-state nitrogen in the soil is under the effect of nitrite bacteria and nitrobacteria, be converted to nitric nitrogen, and nitric nitrogen is more much lower than ammonia-state nitrogen to the avidity of soil colloid, be subject to rainwater, the flushing of irrigation water and being lost simultaneously under deep subsoil anoxybiotic condition (particularly paddy field), is reduced into nitrogen oxide and nitrogen and volatilizees.Therefore, nitrated is the major cause of nitrogen loss in the soil.In contrast, ammonia-state nitrogen but can be adsorbed securely by soil, and is much more stable than nitric nitrogen, thus be difficult for from soil, losing, so, as long as the suitable nitrification that suppresses in the soil just can reduce the loss of nitrogen.Thereby the prolongation fertilizer efficiency reduces fertilising quantity and number of times, and this viewpoint from rationally utilizing nitrogenous fertilizer and saving the labour all is very desirable way.In order to suppress and control the nitrifying process of ammoniacal nitrogen, relevant scholar has carried out a lot of researchs both at home and abroad, once introduces guanyl thiourea (C No. 3544295 such as United States Patent (USP)
2H
6N
4S) have remarkable nitrated inhibition, soil is had extremely strong absorption affinity, particularly outstanding to the resistance of rainwater irrigation water flushing, its volatilization loss can be ignored, and is a kind of preferably long-acting additive.Chinese patent CN1109038A and CN1136547 also disclose a kind of new type nitrogen fertilizer (urea) long-acting synergist, have wherein adopted dicyandiamide (C
2H
4N
4) as nitrification inhibitor.But guanyl thiourea (C
2H
6N
4S) shortcoming is expensive, cereal crops ratio for input and output less, and in soil, easily be degraded; Dicyandiamide (C
2H
4N
4) shortcoming be large usage quantity, action time is shorter, and to Different Crop, different soils, the adaptability of the conditions such as different nitrogen sources fertilizer, different humidity, different moisture content is lower.
The object of the present invention is to provide a kind ofly has good restraining effect to nitrogenous fertilizer nitrated in soil, long action time, and cost is low, be applicable to the nitrogenous fertilizer long-acting additive of different conditions such as various crops and nitrogenous fertilizer and add the nitrogenous fertilizer of this additive.
For achieving the above object, the present invention adopts following technical scheme: namely adopt to contain 1-30% weight guanyl thiourea (C
2H
6N
4S) and 70-99% weight dicyandiamide (C
2H
4N
4) composition as the long-acting additive.The weight content that wherein better content range is an amidinothiourea is 2-15%, and the weight content of Dyhard RU 100 is 85-98%.Above-mentioned additive is applicable to various nitrogenous fertilizer, comprises unit nitrogenous fertilizer, nitrogen phosphorus fertilizer, azophoska and contains nitrogen organic fertilizer, and addition is purity nitrogen content 2-3% (weight) in the nitrogenous fertilizer.Above-mentioned two kinds of components have good synergy each other, and dicyandiamide can suppress the degraded of guanyl thiourea, and price is lower, can reduce the cost of additive; Guanyl thiourea then can reduce the consumption of additive, and make additive to conditions such as Different Crop, different soils, different nitrogen sources fertilizer, different humidity and different moisture content good action effect be arranged, adopt the fertilizer effectiveness of this additive to be prolonged significantly and to improve.
In sum, the present invention compared with prior art has following advantage:
1, can suppress nitrogenous fertilizer nitrated in soil effectively, make its fertilizer efficiency improve 40%, extend to action period more than 100 days, the common crop whole growth phase can be realized disposable base manure, alleviates peasant's labour intensity;
2, input-output ratio height.Can make cereal crops volume increase about 8% under the equal nitrogen amount fertilizer application condition, input-output ratio is about 1: 8, and industrial crops increase production about 15%, and input-output ratio is about 1: 15; The crops such as sugarcane, beet, watermelon, fruit can be improved sugar content after using;
3, cost is low, and consumption is little, easily accepts for the peasant.Its addition is the 2-3% of purity nitrogen content in the fertilizer, and good action effect is promptly arranged;
4, applied widely.To different soils, Different Crop, the different weather condition of different areas, different nitrogen sources fertilizer, the Different Fertilization method all has good action effect.
The invention will be further described below in conjunction with embodiment:
Embodiment 1: this additive contains the amidinothiourea of 1% weight, the Dyhard RU 100 of 99% weight, and the mixing of two components gets final product.
Embodiment 2: this additive contains the amidinothiourea of 2% weight, the Dyhard RU 100 of 98% weight, and the mixing of two components gets final product.
Embodiment 3: this additive contains the amidinothiourea of 10% weight, the Dyhard RU 100 of 90% weight, and the mixing of two components gets final product.
Embodiment 4: this additive contains the amidinothiourea of 15% weight, the Dyhard RU 100 of 85% weight, and the mixing of two components gets final product.
Embodiment 5: this additive contains the amidinothiourea of 30% weight, the Dyhard RU 100 of 70% weight, and the mixing of two components gets final product.
This additive can add in the molten mass of moisture single ammonium salt by solid form.Can in granulation and the solid-state ammonium salt of dry forward direction, add solid or lysate.Can be sold to peasant household with the inner wrapping form separately mixes voluntarily.Can make nitrogenous fertilizer premix with other little fertilizer, be mixed voluntarily by peasant household again.
Embodiment 6: press the urea pure nitrogen level and calculate, add this additive by 100: 2 part by weight, get final product.
Embodiment 7: press carbon ammonium pure nitrogen level and calculate, add this additive by 100: 2.2 part by weight, get final product.
Embodiment 8: press pure nitrogen level calculating in the nitrogen phosphorus fertilizer, add this additive by 100: 2.5 part by weight, get final product.
Embodiment 9: press pure nitrogen level calculating in the azophoska, add this additive by 100: 2.8 part by weight, get final product.
Embodiment 10: press pure nitrogen level calculating in the nitrogen organic fertilizer, add this additive by 100: 3 part by weight, get final product.
Claims (4)
1, a kind of long-acting additive contains the guanyl thiourea of 1-30% weight, and its molecular formula is C
2H
6N
4S, the dicyandiamide of 70-99% weight, its molecular formula is C
2H
4N
4
2, nitrogenous fertilizer long-acting additive according to claim 1 is characterized in that: the weight content of amidinothiourea is 2-15%, and the weight content of Dyhard RU 100 is 85-98%.
3, a kind of nitrogenous fertilizer that adds the described nitrogenous fertilizer long-acting additive of claim 1 is characterized in that: the additive that adds promising its purity nitrogen content 2-3% weight in nitrogenous fertilizer.
4, nitrogenous fertilizer according to claim 3 is characterized in that: nitrogenous fertilizer is unit nitrogenous fertilizer, nitrogen phosphorus fertilizer, azophoska, contains nitrogen organic fertilizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97110477A CN1167747A (en) | 1997-05-19 | 1997-05-19 | Long-acting additive for nitrogen fertilizer and nitrogen fertilizer adding the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97110477A CN1167747A (en) | 1997-05-19 | 1997-05-19 | Long-acting additive for nitrogen fertilizer and nitrogen fertilizer adding the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1167747A true CN1167747A (en) | 1997-12-17 |
Family
ID=5171447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97110477A Pending CN1167747A (en) | 1997-05-19 | 1997-05-19 | Long-acting additive for nitrogen fertilizer and nitrogen fertilizer adding the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1167747A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105110993A (en) * | 2015-09-25 | 2015-12-02 | 安徽飞天农用生物科技有限公司 | Controlled-release high-nitrogen liquid fertilizer with effect of improving nitrogen use efficiency and preparation method of controlled-release high-nitrogen liquid fertilizer |
-
1997
- 1997-05-19 CN CN97110477A patent/CN1167747A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105110993A (en) * | 2015-09-25 | 2015-12-02 | 安徽飞天农用生物科技有限公司 | Controlled-release high-nitrogen liquid fertilizer with effect of improving nitrogen use efficiency and preparation method of controlled-release high-nitrogen liquid fertilizer |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |