Heilongjiang Provincial Standard of the People's Republic of China
Latest
DB23/T 3638-2023
Scope
This document stipulates the methods and technical points for sampling and investigating basic environmental factors of surface soil in dry fields, paddy fields and grasslands. This document is applicable to the sampling and investigation of basic environmental factors of surface soil in cultivated land and grasslands.
DB23/T 3638-2023 Referenced Document
GB/T 36393 Soil quality.Guidance on the procedure for investigation of natural, near-natrual and cultivated sites
DB23/T 3638-2023 history
2023DB23/T 3638-2023 Technical regulations for surface soil sampling of cultivated land and wasteland