Workshop on standardization of analytical methods for manure, soils, plants and water
130 pages
English
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Workshop on standardization of analytical methods for manure, soils, plants and water

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Le téléchargement nécessite un accès à la bibliothèque YouScribe
Tout savoir sur nos offres
130 pages
English

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Scientific and technical research
Target audience: Scientific

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Publié par
Nombre de lectures 17
Langue English
Poids de l'ouvrage 1 Mo

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COMMISSION OF THE EUROPEAN COMMUNITIES
agriculture
Workshop on standardization of analytical
methods for manure, soils, plants and water COMMISSION OF THE EUROPEAN COMMUNITIES
agriculture
Workshop on standardization of analytical
methods for manure, soils, plants and water
Edited by Prof. Dr. A. COTTENIE
GHENT
6 to 9 June 1978 , , ci1
ccrvu 37294
! ßiSLIQTHEDUE
Directorate-General for Agriculture
1979 EUR 6368 EN LEGAL NOTICE
Neither the Commission of the European Communities nor any person acting
on behalf of then is responsible for the use which might be made of
the following information COMMISSION
OF THE
EUROPEAN COMMUNITIES
Workshop on
STANDARDIZATION OF ANALYTICAL METHODS
FOR MANURE, SOILS, PLANTS ANU WATER
Gent
6th to 9th June 1978 WORKSHOP ON STANDARDIZATION OF ANALYTICAL METHODS
FOR MANURE, SOILS,PLANTS AND WATER
CONTENTS
Introduction
5 METHODS FOR MANURE ANALYSIS
5 Sampling of manure
5 1. Sampling of aerated liquid pig manure
6 2. g of liquid pig manure
10 Parameters selected for characterisation of manures
10 Determinations
10 Essential parameters
10 1. Dry matter
11 2. Ash - Volatile or organic matter
11 3. Total Nitrogen
12 4. Phosphorus
1.13 5. Potassium
13 6. pH
13 7. Suspended solids
13 8. COD of liquid manure
16 9. Ammonium nitrogen
16 10. Nitrate n
17 11. Calcium
17 12. Magnesium
17 13.14. Copper and Zinc
17 15. Chloride
19 METHODS FOR SOIL ANALYSIS
19 1. pH
19 1.1. pH-H20
19 1.2. pH-KCl
19 2. Conductivity
20 3. Total CaC03
23 4. Organic matter •ur.cn
24 5. Total Ν
25 6. Ammoniacal and nitrate-nitrogen 7. Cation Exchange Capacity 26
8. Total Ρ27
9. Exchangeablecations:Ca,Mg, Κ and Na29
10. Sulphates (S04~~),30
11. Cl' 32
12.Totalcopper and zinc33
13.Extractable copper and zinc 33
METHODS FOR PLANT ANALYSIS34
1. Dry matter 34
2. Ash34
3. Analysisofashsolution34
4. Chloride36
5. Totalnitrogen37
6. Nitratenitrogen38
6.1.Distillationmethod38
6.2.Potentiometriedetermi nati oh of nitrates 39
METHODS FOR WATER ANALYSIS 40
1. Sampling40
2. Methods40
2.1.pH40
2.2.Conductivity40
2.3. Matterinsuspension41
2.4. Settleablematter41
2.5. Dry residue at 105°C 41
2.6. Residueat550°C41
2.7. Nitrogencompounds41
2.7.1.TotalKjeldahlΝ41
2.7.2. NH342
2.7.3. N02"43
2.7.4. NO3" 44
2.8.ChemicalOxygen Demand45
2.9.BiologicalOxygen Demand47
2.9.1.Principle47
2.9.2.Apparatus47
2.9.3.Reagents47