65.080 - Fertilizers
ICS 65.080 Details
Fertilizers
Dungemittel
Engrais
Gnojila
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This European Standard specifies a method for the determination of total nitrogen in nitrate-free calcium cyanamide.
- Standard9 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies a method for the determination of methylen-urea (MU) oligomers in inorganic fertilizers using high-performance liquid chromatography (HPLC).
The method is applicable to all fertilizers, which do not contain interfering organic compounds.
- Standard16 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies a method for the determination of total nitrogen in calcium cyanamide.
The method is applicable to calcium cyanamide containing nitrates.
- Standard9 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies the method for taking a sample of solid and liquid forms of organic fertilizers, organo-mineral fertilizers and inorganic fertilizers containing more than 1 % by mass of organic carbon, when in packages, containers or in bulk, to test for levels of controlled pathogens present.
- Standard14 pagesEnglish languagesale 10% offe-Library read for1 day
This European Standard specifies methods for determining temperature and time profiles during composting and anaerobic digestion for the production of compost and digestate.
The process monitoring is an organized check and recording of the temperature during a specific time of the composting and anaerobic digestion process.
This standard only applies to composting and anaerobic digestion.
This standard is intended to be used by manufacturers, and enforcement agencies for the purpose of manufacturing control.
The requirements of this standard may differ from national legal requirements for the production process of compost and digestate.
- Standard9 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies methods for the determination of quantity of the following solid and liquid
fertilizing products: organic fertilizers, organo-mineral fertilizers, inorganic fertilizers, liming materials
and inhibitors in packages, containers or in bulk.
This document is applicable to fertilizing products blends where organic fertilizers, organo-mineral
fertilizers, inorganic fertilizers, liming materials and inhibitors are the highest % of the blend by mass
or volume, or in the case of liquid form by dry mass. If organic fertilizers, organo-mineral fertilizers,
inorganic fertilizers, liming materials and inhibitors are not the highest % of the blend, the European
Standard for the highest % of the blend applies. In case a fertilizing product blend is made up of
components in equal quantity, the user decides which standard to apply.
This document is not applicable to the quantity determination of: growing media, soil improvers and
plant biostimulants.
- Standard20 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies methods for sampling of soil improvers and growing media for subsequent determination of quality and quantity. It outlines the principles to be taken into consideration when taking the sample and ensuring an adequate quantity is available for testing.
This document applies to material in solid form (including pre-shaped growing media) and liquid form.
This document is intended to be used by manufacturers, buyers and enforcement agencies in verifying claims made for these materials. It is not intended that it should necessarily be used for the purpose of manufacturing control.
The requirements of this document can differ from the national legal requirements for the declaration of the material concerned.
- Standard38 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies references to methods for the determination of the following physical and chemical properties and specific contaminants in liming materials:
--neutralizing value;
--Reactivity;
--Grain size/Granulometry;
--Total calcium oxide content (CaO);
--Total magnesium content (MgO);
--Cadmium content;
--Hexavalent chromium content;
--Mercury content;
--Nickel and lead content;
--Arsenic content;
--Total chromium content.
- Standard11 pagesEnglish languagesale 10% offe-Library read for1 day
This European Standard specifies a complexometric method for the determination of the calcium content and the magnesium content of liming materials. It is not applicable to products with a mass fraction less than 2% (m/m) magnesium or those with a mass fraction more than 1% P2O5 and is not applicable to silicate liming materials.
- Standard11 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies a method for the determination of cyanamide nitrogen in fertilizers. The method is applicable to calcium cyanamide and calcium cyanamide/nitrate mixtures.
- Standard9 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies a method for the determination of phosphorus in fertilizer extracts.
The method is applicable to all extracts of fertilizers for the determination of the different forms of phosphorus as phosphorus soluble in mineral acids, water-soluble phosphorus, phosphorus soluble in solutions of ammonium citrate, phosphorus soluble in 2 % citric acid and phosphorus soluble in 2 % formic acid.
- Standard13 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies a method for the determination of nitrogen content in IBDU (isobutylidene-diurea) and CDU (crotonylidenediurea) using high-performance liquid chromatography (HPLC).
- Standard12 pagesEnglish languagesale 10% offe-Library read for1 day
The document establishes the methodology for the detection of different pathogens (Salmonella spp, Escherichia Coli and Enterococcaceae).
- Technical specification7 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies a method for the detection and enumeration of Enterococcaceae in fertilizers of
the following Product Function Categories (PFCs) of EU fertilizing products, as described in Regulation
(EU) 2019/1009 [1]:
• PFC 1(A): Organic fertilizer;
• PFC 1(B): Organo-mineral fertilizer;
• PFC 1(C): Inorganic fertilizer, which contains more than 1 % by mass of organic carbon, other than
organic carbon from chelating or complexing agents, nitrification inhibitors, denitrification
inhibitors or urease inhibitors, coating agents, urea or calcium cyanamide. The present method was
validated on products known as present on the market in April 2021 and conform to Regulation (EU)
2019/1009 [1] that are inorganic fertilizers with more than 1 % of organic carbon such as poultry
manure and struvite with low level of organic matter. In case that other products would be developed
having other physical and chemical characteristics, it might become necessary to develop different
methods to correctly account for pathogens they might contain.
This document specifies a colony-count technique on selective media, Slanetz Bartley agar or Bile Esculin
Azide agar, respectively. The method is based on EN ISO 7899-2:2000.
- Technical specification17 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies the method for taking a sample of solid and liquid forms of organic fertilizers, organo-mineral fertilizers and inorganic fertilizers containing more than 1 % by mass of organic carbon, when in packages, containers or in bulk, to test for levels of controlled pathogens present.
- Standard14 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies methods for sampling of soil improvers and growing media for subsequent determination of quality and quantity. It outlines the principles to be taken into consideration when taking the sample and ensuring an adequate quantity is available for testing.
This document applies to material in solid form (including pre-shaped growing media) and liquid form.
This document is intended to be used by manufacturers, buyers and enforcement agencies in verifying claims made for these materials. It is not intended that it should necessarily be used for the purpose of manufacturing control.
The requirements of this document can differ from the national legal requirements for the declaration of the material concerned.
- Standard38 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies methods for determining temperature-time profiles during composting and anaerobic digestion for the production of compost and digestate.
The process monitoring is an organized check and recording of the temperature during a specific time of the composting and anaerobic digestion process.
This document only applies to composting and anaerobic digestion.
This document is intended to be used by manufacturers and enforcement agencies for the purpose of manufacturing control.
The requirements of this document can differ from national legal requirements for the production process of compost and digestate.
- Standard9 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies methods for the determination of quantity of the following solid and liquid fertilizing products: organic fertilizers, organo-mineral fertilizers, inorganic fertilizers, liming materials and inhibitors in packages, containers or in bulk.
This document is applicable to fertilizing products blends where organic fertilizers, organo-mineral fertilizers, inorganic fertilizers, liming materials and inhibitors are the highest % of the blend by mass or volume, or in the case of liquid form by dry mass. If organic fertilizers, organo-mineral fertilizers, inorganic fertilizers, liming materials and inhibitors are not the highest % of the blend, the European Standard for the highest % of the blend applies. In case a fertilizing product blend is made up of components in equal quantity, the user decides which standard to apply.
This document is not applicable to the quantity determination of: growing media, soil improvers and plant biostimulants.
- Standard20 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies a method for the determination of nitrogen content in IBDU (isobutylidenediurea) and CDU (crotonylidenediurea) using high-performance liquid chromatography (HPLC).
The method is applicable to all fertilizers which do not contain interfering organic compounds.
- Standard12 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies a method for the determination of phosphorus in fertilizer extracts.
The method is applicable to all extracts of fertilizers for the determination of the different forms of phosphorus as phosphorus soluble in mineral acids, water-soluble phosphorus, phosphorus soluble in solutions of neutral ammonium citrate, phosphorus soluble in 2 % citric acid and phosphorus soluble in a mass fraction of 2 % formic acid.
The method has only been validated on inorganic fertilizers but can be applicable to all extracted phosphorous if proper extraction methods are used.
- Standard13 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies a method for the determination of methylen-urea (MU) oligomers in inorganic fertilizers using high-performance liquid chromatography (HPLC).
The method is applicable to all fertilizers which do not contain interfering organic compounds.
NOTE By the condensation of urea and formaldehyde, several oligomers are formed, such as methylen-diurea (MDU), dimethylen-triurea (DMTU), trimethylen-tetraurea (TMTU) and higher oligomers. The three molecules named here are the most soluble in water, while the higher compounds are insoluble in hot water, but their nitrogen is available for plants by microbiological decomposition. Also, urea is always a companion of MU-oligomers.
- Standard16 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies the analytical method for the simultaneous determination of N-(n-butyl) thiophosphoric triamide (NBPT) and dicyandiamide (DCD) in fertilizers by high-performance liquid chromatography (HPLC) method.
- Standard20 pagesEnglish languagesale 15% off
This document specifies a method for the determination of total nitrogen in calcium cyanamide. The method is applicable to calcium cyanamide containing nitrates.
- Standard9 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies a method for the determination of cyanamide nitrogen in fertilizers. The method is applicable to calcium cyanamide and mixtures of calcium cyanamide with calcium nitrate.
- Standard9 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies a method for the determination of total nitrogen in nitrate-free calcium cyanamide.
- Standard9 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies an inductively coupled plasma-optical emission spectrometer (ICP-OES) method for the determination of the ammonium citrate, disodium-etheylenediamine tetraacetic acid (EDTA) soluble phosphorus and potassium content in fertilizer extract solutions. This document is applicable to all inorganic fertilizer products, whether compound or complex fertilizer products or blends thereof, and straight concentrated fertilizer products.
- Technical specification26 pagesEnglish languagesale 15% off
TThis document specifies a complexometric method for the determination of the calcium content and the magnesium content of liming materials.
It is not applicable to products with a mass fraction less than 2 % magnesium or those with a mass fraction more than 1 % P2O5 and is not applicable to silicate liming materials.
- Standard11 pagesEnglish languagesale 10% offe-Library read for1 day
This document is applicable to liming materials, which contain oxides, hydroxides, carbonates or silicates of the nutrients calcium (Ca) or magnesium (Mg) and the function of which is to correct soil acidity. It is applicable to fertilizing products, which are classified as PFC 2 or the PFC 2 component in PFC 7 of Regulation (EU) 2019/1009 [3].
NOTE The methods referred to in this document have not been tested for fertilizing product blends (PFC 7) [3].
This document specifies references to the methods for the determination of the following physical and chemical properties and specific contaminants in liming materials:
- Determination of the cadmium content;
- Determination of the chromium VI content;
- Determination of the mercury content;
- Determination of the nickel content;
- Determination of the lead content;
- Determination of the arsenic content;
- Determination of the total chromium content;
- Determination of neutralizing value;
- Determination of the reactivity;
- Determination of the grain size/granulometry;
- Determination of the total CaO content;
- Determination of the total MgO content.
This document does not specify references to the methods for the determination of the following physical and chemical properties and specific contaminants in liming materials, as they are covered in other European Standards:
- Determination of the copper and zinc content;
- Determination of the chloride content;
- Determination of quantity (indicated by mass or volume);
- Determination of the phosphonates content.
- Standard11 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies general requirements, analytical methods, sampling and preparation of test sample, marking and labelling, packaging, transport and storage for liquid methylene-urea slow release fertilizers. This document applies to pure liquid slow release fertilizers, i.e. methylene urea (MU). This document does not apply to mixtures of nitrogenous fertilizers containing liquid slow release fertilizers.
- Standard5 pagesEnglish languagesale 15% off
This document specifies three different methods (Methods A, B and C) for the determination of sulfur present in fertilizers extracts in the form of sulfates. Method A specifies the gravimetric method. Method B specifies the method using inductively coupled plasma optical spectrometry (ICP-OES). Method C specifies the method using ion chromatography (IC).
- Standard28 pagesEnglish languagesale 10% offe-Library read for1 day
This European Standard specifies a method for the determination of quantity of soil improvers, excluding liming materials and growing media in bulk and in packages. This document applies to material that is in solid form, but not in block form to be sold by dimension, and which exceeds the particle size restriction in EN 12580 and where the declared nominal particle size is greater than 60 mm.
- Standard15 pagesEnglish languagesale 10% offe-Library read for1 day
This European Standard specifies methods for the determination of a quantity of soil improvers and growing media in bulk and in packages. This is a reference method, which is designed with an appropriate precision level so that it can be used to validate any quantity declaration made.
This standard is applicable to material that is in solid form, reconstituted if necessary, but not to blocks sold as such by dimension; for these, see EN 15761. This method is not applicable for material with more than 10 % (V/V) of particles greater than 60 mm in size; for these, see EN 15238.
The requirements of this standard may differ from the national legal requirements for the declaration of the products concerned.
Where there is no legal requirement to use this method, for example in quantity control of packaged product, then it is permissible for any other methods to be used so long as these other methods can be demonstrated to be comparable with this standard method in giving the same quantity with the same precision.
Material which has become excessively wet and which cannot be easily broken down into a flowable material will not be suitable for the determination of quantity and may not give a representative result. However, because of the diverse nature and bulk density of these materials, it is not possible to quantify what is ‘excessive’.
This standard is intended to be used by manufacturers, buyers and enforcement agencies in verifying claims made for these products. It is not intended that it should necessarily be used for the purpose of manufacturing control.
- Standard15 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies a method for the determination of the chloride content in organic fertilizers, organo-mineral fertilizers, inorganic fertilizers and liming materials by potentiometric titration.
- Technical specification8 pagesEnglish languagesale 10% offe-Library read for1 day
The document establishes the methodology for the determination of the nitrogen content including total nitrogen and ammoniacal, nitric, urea, organic nitrogen as well as the calculation of the nitrogen content as a result of ammonium nitrate.
- Technical specification15 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies a method for the determination by ion pair chromatography of the iron chelated by each individual ortho(hydroxy)-ortho(hydroxy) isomer of the chelating agents [o,o] EDDHA, [o,o] EDDHMA and by HBED in organo-mineral fertilizers, having an organic matrix based on vegetal residues (cocoa shells, grape residue, soybean residue, …), algae extract, and animal meal (feather, bones, blood, ...) and containing one or more of these substances, except for [o,o] EDDHMA and HBED mixes.
The method allows the identification and the determination of the total concentration of water soluble iron chelates of these chelating agents. Also, after derivatization with Fe, the soluble amount of the chelating agents can be determined when other micronutrients beside Fe are present in organo-mineral fertilizers containing [o,o] EDDHA, [o,o] EDDHMA or HBED.
This method is applicable to a mass fraction of the metal chelated of at least 0,625 %.
NOTE 1 The substances EDDHA and EDDHMA exist as several different isomeric forms. Positional isomers for the hydroxyl or methyl groups (in ortho, meta, and para positions) as well as stereo isomers (meso and dl-racemic forms) are known. Both meso and dl-racemic forms of the [ortho,ortho] EDDHA and [ortho,ortho]. Since para, meta and ortho methyl positional isomers of the EDDHMA present quite similar stability, they could be grouped: in the method here described the para, meta and ortho methyl positional isomers of the [o,o] EDDHMA are considered together. HBED (N,N'-bis(2-hydroxybenzyl)-ethylenediamine-N,N'-diacetic acid) does not present isomeric forms.
NOTE 2 At present, analytically pure standards only exist for [ortho,ortho] EDDHA, [ortho,ortho] EDDHMA and HBED. All other substances being unavailable as a standard, the influence of their eventual presence in the samples (with respect to the sensitivity and the selectivity of this method) has not been studied.
NOTE 3 The meso and the dl-racemic forms of [o,o] EDDHA and [o,o] EDDHMA can be determined separately by this method.
- Technical specification18 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies a horizontal method for the enumeration of yeasts and moulds present in plant biostimulant intended for use in agriculture, by means of the colony count technique after aerobic incubation at 25 °C +- 2,5 °C.
This document allows the enumeration of yeasts and moulds, in technical and formulated plant biostimulant, both in liquid and solid state. The method is applicable to microbial plant biostimulant except those composed of fungi or yeast to verify that the concentration of yeast and moulds does not exceed the respective limits described in the EU Fertilizers Regulation [1].
If necessary, yeast and mould enumerated can be identified using suitable identification tests.
- Technical specification17 pagesEnglish languagesale 10% offe-Library read for1 day
The document establishes the methodology for the extraction of phosphorus, which is soluble in neutral ammonium citrate in organo-mineral fertilizers.
- Technical specification6 pagesEnglish languagesale 10% offe-Library read for1 day
The document establishes the methodology for the determination of :
- total P2O5, K2O, CaO, MgO, Na2O, SO3 content in organic and organo-mineral fertilizers;
- inorganic As, Cd, total Cr, Hg, Ni, Pb, Cu, Zn content in organic and organo-mineral fertilizers;
- water soluble CaO, MgO, Na2O, SO3 content in organic and organo-mineral fertilizers;
- water soluble P2O5, K2O content in organo-mineral fertilizers;
- neutral ammonium citrate soluble P2O5 content in organo-mineral fertilizers;
- formic acid soluble P2O5 content in organo-mineral fertilizers;
- total B, Co, Fe, Mn, Mo content in organo-mineral fertilizers;
- water soluble B, Co, Cu, Fe, Mn, Mo, and Zn content in organo-mineral fertilizers;
- Technical specification11 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies the procedure for the digestion of different plant biostimulants with aqua regia to enable a subsequent determination of arsenic (As), cadmium (Cd), copper (Cu), chromium (Cr), mercury (Hg), nickel (Ni), lead (Pb) and zinc (Zn). The procedure can be also applied for determination of other elements. The procedure is applicable for all solid and/or liquid plant biostimulants.
This document is also applicable to the blends of fertilizing products where plant biostimulants are the main part of the blend. Otherwise, the Technical Specification for the main part of the blend applies.
The extracts are suitable for analysis using CEN/TS 17701-2 (ICP-AES) and CEN/TS 17701-3 (Hg analysis).
NOTE Alternatively, inductively coupled plasma mass spectrometry (ICP-MS) can be used for the measurement if the user proves that the method gives the same results.
- Technical specification10 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies a horizontal method for the detection of enteropathogenic Vibrio spp., which causes human illness in or via the intestinal tract [1]. The species detectable by the methods specified include Vibrio parahaemolyticus, Vibrio cholerae and Vibrio vulnificus.
It is applicable to the following:
- microbial plant biostimulants.
NOTE 1 The World Health Organization (WHO) has identified that V. parahaemolyticus, V. cholerae and V. vulnificus are the major contaminants of Vibrio spp. [1].
NOTE 2 For confirmation, it is possible to use PCR tests; in this case the laboratory validates the procedure and data generated.
- Technical specification33 pagesEnglish languagesale 10% offe-Library read for1 day
The document establishes the methodology for the determination of specific parameters including the determination of the organic carbon content and the dry matter content.
- Technical specification7 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies a method for the determination of the chelated micronutrient content and the chelated fraction of a micronutrient, in organo-mineral fertilizers, having an organic matrix based on vegetal residues (cocoa shells, grape residue, soybean residue, etc), algae extract, and animal meal (feather, bones, blood, etc) and containing UVCB, EDDHA, EDDHMA, HBED, EDDHSA micronutrients by the treatment with a cation exchange resin.
The limit of determination of the chelated micronutrient content highly depends on the specific electrical conductivity of the sample, on the amount of nutrient present, and varies between 0,005 % in simple matrices with high amounts of micronutrient, and 0,5 % in more complex cases (see 9.1).
- Technical specification13 pagesEnglish languagesale 10% offe-Library read for1 day
This document gives general guidelines for the detection and identification of the specified microorganism Escherichia coli in technical and formulated biostimulant products, both in liquid and solid state, and also the horizontal method for the enumeration of ß-glucuronidase-positive Escherichia coli in plant biostimulants products (both in liquid and solid state).
The qualitative method described in this document is based on the detection of Escherichia coli in a non-selective liquid medium (enrichment broth), followed by isolation on a selective agar medium. Other methods can be appropriate, depending on the level of detection required.
NOTE For the detection of Escherichia coli, subcultures can be performed on non-selective culture media followed by suitable identification steps (e.g. using identification kits).
The quantitative method described in this document uses a colony-count technique at 44 °C on a solid medium containing a chromogenic ingredient for detection of the enzyme ß-glucuronidase.
WARNING - Strains of Escherichia coli which do not grow at 44 °C and, in particular, those that are ß-glucuronidase negative, such as Escherichia coli O157, will not be detected.
- Technical specification20 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies a method for the determination of arsenic (As), cadmium (Cd), copper (Cu), chromium (Cr), lead (Pb), nickel (Ni) and zinc (Zn) in plant biostimulant digests using inductively coupled plasma-atomic emission spectrometry (ICP-AES).
This document is also applicable to the blends of fertilizing products where plant biostimulants are the main part of the blend. Otherwise, the Technical Specification for the main part of the blend applies.
This method is applicable to aqua regia digests prepared according to CEN/TS 17701-1. The method can be used for the determination of other elements, provided the user has verified the applicability.
- Technical specification13 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies a method for the determination of the soluble metal that remains in solution at different pHs after the application of a solution of the fertilizer substance containing micronutrient chelates in a tap water solution used as a reference.
The method applies to fertilizing products containing chelated micronutrients.
- Technical specification10 pagesEnglish languagesale 10% offe-Library read for1 day
This document establishes the methodology for the extraction of phosphorus by formic acid for subsequent determination of P in organo-mineral fertilizers.
- Technical specification6 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies a method for the determination of pH of a solution of ammonium nitrate fertilizers of high nitrogen content.
- Technical specification6 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies references to the methods for the determination of specific micronutrients, chelating and complexing agents. The document specifies references to the methods and requirements for inorganic micronutrient fertilizers in accordance with PFC 1 (C) (II) as specified in the Regulation (EU) 2019/1009 [1].
Inorganic micronutrient materials for this purpose are micronutrient salts or oxide and hydroxides, or micronutrient chelates or complexes and mixtures of them, in powder or granular form, aqueous or suspension preparation.
- Technical specification9 pagesEnglish languagesale 10% offe-Library read for1 day
The document establishes the methodology for the digestion by aqua regia of the different nutrients and trace elements (P, K, Ca, Mg, Na, S, B, Cu, Co, Fe, Mn, Mo, Zn, As, Cd, Cr, Hg, Ni, Pb) before the determination of their total content.
- Technical specification10 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies references to the methods for the determination of chelating and complexing agents in organo-mineral fertilizers. The document specifies references to the methods and requirements for organo-mineral fertilizers in accordance with PFC 1 (B) as specified in the Regulation (EU) 2019/1009 [1].
Organo-mineral materials for this purpose are organic fertilizers containing micronutrient chelates or complexes and/or mixtures of them, in powder or granular form, aqueous or suspension preparations.
- Technical specification8 pagesEnglish languagesale 10% offe-Library read for1 day