Welcome video from Dr. Vimala Nair, one of the course instructors, giving an overview and objectives of the course.
Introduces the instructors and outlines the course structure, objectives, and the content for each module.
Describes tools and techniques for sampling upland and wetland soils and how to prepare a soil for analysis.
Explains water soluble phosphorus (WSP) as an important parameter in P-related issues, the extraction procedure for WSP, and soil testing for phosphorus, including choice of extractant and the extraction procedure for Mehlich 1-P, and compares two procedures for phosphorus analysis.
Shows the laboratory techniques for evaluating P dynamics in soils and sediments by determining P extracted from soils, including oxalate-extractable P, iron-oxide strip P, and total P in soil.
Explains why soil P fractionation procedures are performed and compares fractionation schemes and their modifications.