Plant biostimulants - Determination of phosphonates
€50.00
Organic and organo-mineral fertilizers - Determination of specific elements
€58.00
Fertilizers — Determination of acid-soluble potassium content — Preparation of the test solution
€51.00
Fertilizers — Determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide — Titrimetric method
Fertilizers and soil conditioners — Final samples — Practical arrangements
Fertilizers — Extraction of phosphates soluble in mineral acids
Fertilizers — Sampling — Minimum mass of increment to be taken to be representative of the total sampling unit
€77.00
Solid fertilizers — Reduction of samples
Fertilizers — Determination of bulk density (loose) of fine-grained fertilizers
Fertilizers and soil conditioners — Classification
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Solid fertilizers — Preparation of samples for chemical and physical analysis
Solid fertilizers and soil conditioners — Test sieving
Solid fertilizers — Measurement of static angle of repose
Solid fertilizers — Simple sampling method for small lots
Solid fertilizers — Sampling plan for the evaluation of a large delivery
