Draft International Standard ISO DIS 21577 ＆ Draft International Standard ISO DIS 209512018/03/26
1. Draft International Standard ISO DIS 21577 - 〝Soil quality — Field soil description〝 has been published for comment.
2. Draft International Standard ISO DIS 20951 〝Soil quality - Guidance on methods for measuring greenhouse gases （CO2, N2O, CH4） and ammonia （NH3） fluxes between soil and the atmosphere〝 has been published for comment.
DataSource：
CL:AIRERelational Files