Nitrogen fertilizer synergist composition

A fertilizer synergist and composition technology, applied in fertilizer mixtures, fertilization devices, applications, etc., can solve problems such as nitrogen fertilizer loss, and achieve the effects of promoting yield increase, delaying loss, and reducing the amount of chemical fertilizers applied.

CN102491829BActive Publication Date: 2013-11-06湖南大方农化股份有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Publication Date
2013-11-06
Patent Text Reader

Abstract

The invention discloses a nitrogen fertilizer synergist composition, which, either in a solid or a liquid preparation form, comprises: 5%-12% of polyaspartic acid, 1%-5% of hydroquinone, and 1%-5% of dicyandiamide. A solid preparation form also includes 1%-20% of a functional assistant and a filling material, while a liquid preparation form also contains 1%-20% of an emulsifier and water. The nitrogen fertilizer synergist composition of the invention has the advantages of environmental friendliness, no pollution, enhancement of nitrogen fertilizer utilization rate, promotion of plant growth, and improvement of stress resistance ability in plants, etc.
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Description

technical field

[0001] The invention relates to a compound fertilizer application composition, in particular to an agricultural fertilizer synergist composition. Background technique

[0002] Nitrogen is one of the main nutrient limiting factors in agricultural soils. Under normal circumstances, the application of nitrogen fertilizers can obtain obvious yield-increasing effects. However, the loss of nitrogen in farmland soils can cause environmental pollution. my country has become the main consumer of nitrogen fertilizer in the world since the late 1980s, and is currently the country with the largest amount of chemical fertilizer use in the world, and the consumption may further increase.

[0003] Due to the loss of nitrogen in the application of nitrogen fertilizers, such as the volatilization of ammonia and the leaching of nitrate nitrogen, the utilization rate of nitrogen in existing nitrogen fertilizers is quite low, and the lost nitrogen-containing substances may also ...

Examples

Embodiment 1

[0028] Embodiment 1: A kind of soluble powder of nitrogenous fertilizer synergist composition.

[0029] A nitrogen fertilizer synergist composition of the present invention, the synergist composition is a soluble powder (SP), comprising the following components in mass fraction:

[0030] Polyaspartic Acid 5%

[0031] Hydroquinone 1%

[0032] Dicyandiamide 1%

[0033] Functional Auxiliary 10% and

[0034] Filling balance.

[0035] The functional additives in this embodiment include 8% lignosulfonate by mass fraction and 2% by mass fraction alkyl naphthalene sulfonate.

[0036] The filler in this example is composed of ammonium sulfate with a mass fraction of 70% and potassium chloride with a mass fraction of 13%.

[0037] The nitrogen fertilizer synergist composition of this example is prepared by mixing the above-mentioned components uniformly according to the mass ratio. The composition is finally crushed to 80-100 mesh, and the finished product is obtained after packag...

Embodiment 2

[0042] Example 2: A soluble granule of a nitrogen fertilizer synergist composition.

[0043] A nitrogen fertilizer synergist composition of the present invention, the synergist composition is a soluble granule (SG), comprising the following components in mass fraction:

[0044] Polyaspartic Acid 10%

[0045] Hydroquinone 1%

[0046] Dicyandiamide 2%

[0047] Functional Auxiliary 15% and

[0048] Filling balance.

[0049] The functional auxiliary agent in this embodiment includes 12% by mass fraction of anionic surfactant and 3% by mass fraction of alkyl naphthalene sulfonate.

[0050] The filler of this embodiment is composed of sodium sulfate with a mass fraction of 72%.

[0051] For the nitrogen fertilizer synergist composition of this example, the above-mentioned components are firstly mixed uniformly according to the mass ratio, then crushed to 80-100 mesh, then granulated by a rotary extrusion granulator, and finally baked. Dry, granulate, sieve, and pack to get the...

Embodiment 3

[0057] Embodiment 3: A kind of nitrogenous fertilizer synergist composition aqueous solution.

[0058] A nitrogen fertilizer synergist composition of the present invention, the synergist composition is an aqueous solution (AS), comprising the following components in mass fraction:

[0059] Polyaspartic Acid 10%

[0060] Hydroquinone 1%

[0061] Dicyandiamide 2%

[0062] Emulsifier 12% and

[0063] Water Make up to 100%.

[0064] The emulsifier of this embodiment is made of sodium alkylbenzene sulfonate of 5% by mass fraction, styrene (methyl styrene) phenol polyoxyethylene polyoxypropylene ether of mass fraction 5% and phenylethyl ether of mass fraction 2%. Composition of phenol polyoxyethylene ether.

[0065] The nitrogen fertilizer synergist composition of this embodiment is formulated through the following process: adding polyaspartic acid, hydroquinone and dicyandiamide to the reaction kettle in proportion, adding water in proportion and starting to stir, wait Afte...