ES2339416A1 - Fertilizer product with nitrification inhibitor (Machine-translation by Google Translate, not legally binding) - Google Patents

Fertilizer product with nitrification inhibitor (Machine-translation by Google Translate, not legally binding) Download PDF

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Publication number
ES2339416A1
ES2339416A1 ES200803276A ES200803276A ES2339416A1 ES 2339416 A1 ES2339416 A1 ES 2339416A1 ES 200803276 A ES200803276 A ES 200803276A ES 200803276 A ES200803276 A ES 200803276A ES 2339416 A1 ES2339416 A1 ES 2339416A1
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Prior art keywords
fertilizer product
nitrification inhibitor
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urea
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ES200803276A
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ES2339416B1 (en
Inventor
Pablo Ramos Pedregosa
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Herogra Fertilizantes SA
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Herogra Fertilizantes SA
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    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05GMIXTURES 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
    • C05G3/00Mixtures of one or more fertilisers with additives not having a specially fertilising activity
    • C05G3/90Mixtures 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
    • C05G3/08
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/20Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
    • Y02P60/21Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures

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  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Fertilizers (AREA)

Abstract

Fertilizer product with nitrification inhibitor, formed by a solution of urea, phosphoric acid, potassium chloride, and diciandiamide, in water, with proportions of between 5 and 35% urea, between 3 and 35% of phosphoric acid, between 3 and 25% of potassium chloride, between 0.09 and 3% of diciandiamida and the rest water up to 100% in each case. (Machine-translation by Google Translate, not legally binding)

Description

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Producto fertilizante con inhibidor de la nitrificación.Fertilizer product with inhibitor of nitrification.

Sector de la técnicaTechnical sector

La presente invención está relacionada con los tratamientos del suelo para favorecer la nutrición de las plantas, con el fin de mejorar el desarrollo y la producción de las mismas, proponiendo un producto fertilizante que inhibe la nitrificación, favoreciendo la absorción del Nitrógeno por las plantas.The present invention is related to Soil treatments to promote plant nutrition, in order to improve their development and production, proposing a fertilizer product that inhibits nitrification, favoring the absorption of nitrogen by plants.

Estado de la técnicaState of the art

De entre los elementos esenciales para el desarrollo de las plantas, el Nitrógeno es el que presenta mayor variabilidad en el suelo, en donde existe un nitrógeno biológico u orgánico presente en los seres vivos que habitan el suelo a través de proteínas, aminoácidos y otras sustancias complejas, y un nitrógeno inorgánico, fundamentalmente bajo las formas nítrica y amoniacal, a las que acompañan en menor proporción nitritos y óxidos de Nitrógeno, siendo la proporción relativa de dicha formas del Nitrógeno, función de la naturaleza y características (drenaje, topografía, textura, etc.) del suelo del que se trate.Among the essential elements for development of plants, nitrogen is the one that presents the greatest variability in the soil, where there is a biological nitrogen or organic present in living beings that inhabit the soil through of proteins, amino acids and other complex substances, and a inorganic nitrogen, mainly in the nitric and ammonia, which are accompanied by nitrite and oxides to a lesser extent of Nitrogen, the relative proportion of said forms of the Nitrogen, nature function and characteristics (drainage, topography, texture, etc.) of the soil in question.

Las formas químicas del Nitrógeno asimilables por las plantas son el Nitrógeno nítrico y el amoniacal, pero también existe la forma ureica, aunque ésta se hidroliza rápidamente y se transforma en amoniacal, siendo catalizada esta reacción por la encima Ureasa.Chemical forms of assimilable Nitrogen by plants are nitric nitrogen and ammonia, but there is also the ureic form, although it quickly hydrolyzes and it becomes ammoniacal, this reaction being catalyzed by the on top of Ureasa.

El ión amonio puede ser absorbido directamente por las plantas, o bien ser retenido por las arcillas del suelo y posteriormente sufrir un proceso de nitrificación por el que por acción de bacterias nitrificantes se oxida y se convierte en nitrato.The ammonium ion can be absorbed directly by plants, or be retained by soil clays and subsequently undergo a nitrification process whereby nitrifying bacteria action oxidizes and becomes nitrate.

La nitrificación es la reacción mediante la cual el Nitrógeno amónico se transforma (oxida) en Nitrógeno nítrico, pudiendo esquematizarse dicho proceso de la manera siguiente:Nitrification is the reaction by which Ammonium Nitrogen is transformed (oxidized) into Nitric Nitrogen, said process can be schematized as follows:

1one

Teniendo lugar dicha transformación, en realidad, a través de dos reacciones consecutivas:Such transformation taking place, in reality, through two consecutive reactions:

a)to)
Nitrosación: Paso del amonio a nitrito, catalizada por bacterias Nitrosomonas:Nitrosation: Passage of ammonium to nitrite, catalyzed by Nitrosomonas bacteria:

22

b)b)
Nitratación: Paso del nitrito a nitrato, catalizada por bacterias Nitrobacter:Nitration: Passage of nitrite to nitrate, catalyzed by Nitrobacter bacteria:

33

Ahora bien, la forma de nitrato presenta una elevada solubilidad en agua, por lo que la fracción que no es absorbida por las plantas se puede perder fácilmente por lixiviación, o bien en condiciones anaerobias y por la acción de bacterias desnitrificantes, transformarse en compuestos volátiles (Nitrógeno molecular y óxidos de Nitrógeno), interrelacionándose todas las formas químicas señaladas, mediante reacciones químicas, cuya cinética determina la proporción relativa de cada una de ellas en el suelo.Now, the nitrate form presents a high water solubility, so the fraction that is not absorbed by plants can be easily lost by leaching, either under anaerobic conditions and by the action of Denitrifying bacteria, transform into volatile compounds (Molecular nitrogen and nitrogen oxides), interrelated all chemical forms indicated, through chemical reactions, whose kinetics determines the relative proportion of each of them on the floor.

Por ello, se debe ajustar en el tiempo la disponibilidad de las formas asimilables, a las necesidades de los cultivos, para aumentar la eficacia de la fertilización. Para lo cual se debe controlar la cinética de aquellas reacciones que tiendan a la formación de especies solubles, con el fin de evitar pérdidas innecesarias por lavado y reducir riesgos de fototoxicidad.Therefore, the time must be adjusted availability of assimilable forms, to the needs of crops, to increase the efficiency of fertilization. For the which should be controlled the kinetics of those reactions that tend to the formation of soluble species, in order to avoid unnecessary losses due to washing and reducing risks of phototoxicity

Dicho control se puede realizar de las formas siguientes:Said control can be performed in the ways following:

--
Actuando sobre la disponibilidad de las especies reaccionantes: Parcialización de la fertilización, empleando fertilizantes de liberación lenta, encapsulados, etc.Acting on the availability of reactive species: partialization of fertilization, using slow-release, encapsulated fertilizers, etc.

--
Actuando sobre agentes externos (encimas y bacterias) que catalizan las reacciones: Uso de fertilizantes con inhibidores de la Ureasa o fertilizantes con inhibidores de la nitrificación, ya que sin estos agentes catalíticos, las reacciones implicadas transcurren de forma mucho más lenta, con lo que se puede controlar la disponibilidad de los productos de la reacción.Acting on external agents (enzymes and bacteria) that catalyze the reactions: Use of fertilizers with Ureasa inhibitors or fertilizers with inhibitors of nitrification, since without these catalytic agents, the reactions involved run much slower, so you can control the availability of the products of the reaction.

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Los inhibidores de la nitrificación son sustancias que, añadidas al suelo, inhiben, mientras están presentes en él, la actividad y/o proliferación de las bacterias nitrosomonas, retrasando la oxidación del Nitrógeno amoniacal aportado a través de los fertilizantes, a nitrito, con lo cual se consigue que el Nitrógeno permanezca en forma amoniacal y sea retenido por el complejo arcilloso-húmico del suelo. La duración del efecto inhibidor depende fundamentalmente de las condiciones climáticas, edafológicas y del cultivo en particular, persistiendo el efecto, en general, entre seis y ocho semanas.Nitrification inhibitors are substances that, added to the soil, inhibit, while they are present in it, the activity and / or proliferation of nitrosomonas bacteria, delaying the oxidation of ammoniacal nitrogen provided through the fertilizers, to nitrite, with which the Nitrogen remains in ammoniacal form and is retained by the clay-humic soil complex. The duration of inhibitory effect depends fundamentally on the conditions climatic, edaphological and crop in particular, persisting the effect, in general, between six and eight weeks.

Objeto de la invenciónObject of the invention

De acuerdo con la invención se propone un producto fertilizante mezclado con Diciandiamida, con el cual se consigue inhibir de manera ventajosa la nitrificación, para favorecer la nutrición y el desarrollo de las plantas de los cultivos.According to the invention, a fertilizer product mixed with Diciandiamide, with which manages to advantageously inhibit nitrification, to promote nutrition and plant development of crops.

Este producto objeto de la invención se forma por una solución de Urea, Ácido Fosfórico, Cloruro Potásico y Diciandiamida, en agua, con unas proporciones en peso de entre 5 y 35% de Urea, 3 y 35% de Ácido Fosfórico, entre 3 y 25% de Cloruro Potásico, entre 0,09 y 3% de Diciandiamida y el resto agua hasta el 100% en cada caso.This product object of the invention is formed by a solution of Urea, Phosphoric Acid, Potassium Chloride and Diciandiamide, in water, with proportions by weight of between 5 and 35% Urea, 3 and 35% Phosphoric Acid, between 3 and 25% Chloride Potassium, between 0.09 and 3% of Diciandiamide and the rest water until 100% in each case.

Una combinación idónea del producto, en proporciones de peso, es con 32,6% de Urea, 7,7% de Ácido Fosfórico, 10% de Cloruro Potásico, 0,5% de Diciandiamida y 49,2% de agua.An ideal combination of the product, in Proportions of weight, is with 32.6% of Urea, 7.7% of Phosphoric Acid, 10% Potassium Chloride, 0.5% Diciandiamide and 49.2% water.

Se obtiene de este modo un producto que puede ser utilizado en aplicación directa sobre el suelo, mediante boquillas de proyección o inyectándolo.A product is thus obtained that can be used in direct application on the ground, by projection nozzles or injecting it.

Claims (2)

1. Producto fertilizante con inhibidor de la nitrificación, del tipo destinado para aplicación en el suelo, con el fin de facilitar la nutrición de las plantas de cultivo, caracterizado porque se forma por una solución de Urea, Ácido Fosfórico, Cloruro Potásico, y Diciandiamida, en agua, con una combinación en peso de entre 5 y 35% de Urea, entre 3 y 35% de Ácido Fosfórico, entre 3 y 25% de Cloruro Potásico, entre 0,09 y 3% de Diciandiamida y el resto agua hasta el 100% en cada caso.1. Fertilizer product with nitrification inhibitor, of the type intended for application in the soil, in order to facilitate the nutrition of crop plants, characterized in that it is formed by a solution of Urea, Phosphoric Acid, Potassium Chloride, and Diciandiamide , in water, with a combination in weight of between 5 and 35% of Urea, between 3 and 35% of Phosphoric Acid, between 3 and 25% of Potassium Chloride, between 0.09 and 3% of Diciandiamide and the rest water up to 100% in each case. 2. Producto fertilizante con inhibidor de la nitrificación, de acuerdo con la primera reivindicación, caracterizado porque una composición idónea del producto, en porcentajes de peso, es con 32,6% de Urea, 7,7% de Ácido Fosfórico, 10% de Cloruro Potásico, 0,5% de Diciandiamida y 49,2% de agua.2. Fertilizer product with nitrification inhibitor, according to the first claim, characterized in that an ideal composition of the product, in weight percentages, is 32.6% Urea, 7.7% Phosphoric Acid, 10% Potassium Chloride, 0.5% Diciandiamide and 49.2% water.
ES200803276A 2008-11-18 2008-11-18 FERTILIZING PRODUCT WITH INHIBITOR OF NITRIFICATION. Active ES2339416B1 (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1872806A (en) * 2006-06-09 2006-12-06 大连轻工业学院 Compound fertilizer of containing long acting urea, and preparation method
CN101050153A (en) * 2007-05-14 2007-10-10 王学文 Slow-release chelate complementary fertilizer of containing middle quantity and trace elements

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1872806A (en) * 2006-06-09 2006-12-06 大连轻工业学院 Compound fertilizer of containing long acting urea, and preparation method
CN101050153A (en) * 2007-05-14 2007-10-10 王学文 Slow-release chelate complementary fertilizer of containing middle quantity and trace elements

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Base de datos EPODOC, Oficina Europea de Patentes, La Haya, [recuperadoe el 16.04.2010]. Recuperado de EPOQUE; Número de acceso: CN1872806 & CN 1872806 A (DALIAN LIGHT IND COLLEGE) 06.12.2006 *
Base de datos EPODOC,Oficina Europea de Patentes, La Haya, [recuperadoe el 16.04.2010]. Recuperado de EPOQUE; Número de acceso: CN10105015 & CN101050153 A (WANG XUEWEN) 10.10.2007 *

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