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What is the total nitrogen content of the soil

What is the total nitrogen content of the soil, Total:12 items.

In the international standard classification, What is the total nitrogen content of the soil involves: Soil quality. Pedology.

RU-GOST R, What is the total nitrogen content of the soil

• GOST 26107-1984 Soils. Methods for determination of total nitrogen

Indonesia Standards, What is the total nitrogen content of the soil

• SNI 13-4721-1998 Methods for determination of total nitrogen content in soils

VN-TCVN, What is the total nitrogen content of the soil

• TCVN 7373-2004 Soils quality.Index values of total nitrogen content in the soils of Vietnam
• TCVN 6643-2000 Soil quality.Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant

Association Francaise de Normalisation, What is the total nitrogen content of the soil

• NF X31-111*NF ISO 11261:1995 Soil quality. Determination of total nitrogen. Modified kjeldahl method.
• NF X31-418*NF ISO 13878:1998 Soil quality. Determination of total nitrogen content by dry combustion ("elemental analysis").
• NF ISO 13878:1998 Qualité du sol - Détermination de la teneur totale en azote par combustion sèche ("analyse élémentaire")
• NF EN 16168:2012 Boues, biodéchets traités et sols - Détermination de la teneur totale en azote par combustion sèche

Korean Agency for Technology and Standards (KATS), What is the total nitrogen content of the soil

• KS I ISO 13878:2009 Soil quality－Determination of total nitrogen content by dry combustion(“elemental analysis”)

German Institute for Standardization, What is the total nitrogen content of the soil

• DIN ISO 13878:1998 Soil quality - Determination of total nitrogen content by dry combustion ("elemental analysis") (ISO 13878:1998)
• DIN ISO 14255:1998 Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant (ISO 14255:1998)

AENOR, What is the total nitrogen content of the soil

• UNE 77325:2003 Soil quality. Determination of total nitrogen content by dry combustion ("elemental analysis").

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