Anexo 12 Normas para la nutrición sostenible en suelos agrarios

Toma de muestras.

Soil quality- Sampling- Part 1: Guidance on the design of sampling programmes.

ISO/DIS 10381-1

Soil quality- Sampling- Part 4: Guidance on the design of sampling programmes.

ISO/DIS 10381-4

Textura del suelo (contenido en arcilla y materia orgánica.

Soil quality-simplified soil description.

ISO 11259

Soil quality-Determination of particle size distribution in mineral soil material-Method by sieving and sedimentation.

ISO 11277

Soil quality - Determination of organic and total carbon after dry combustion (elementary analysis).

ISO 10694

pH.

Soil quality-Determination of pH.

ISO 10390

Metales pesados.

Soil quality-Extraction of trace elements soluble in aqua regia.

ISO 11466

Soil quality-Determination of cadmium, chromium, cobalt, copper, lead, manganese, nickel and zinc-Flame and electrothermal atomic absorption spectrometric methods.

ISO 11047

Nitrógeno.

Soil quality-Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant.

ISO 14255

Fósforo.

Soil quality-Determination of phosphorus-Spectrometric determination of phosphorus soluble in sodium hydrogen carbonate solution.

ISO 11263