knight-foundation
knight-foundation


Author Comment Last activity Moderation
liz "Here's a permalink to the PDF on our site: ee-soilsampling-sop-env-3-13.pdf " | Read more » over 6 years ago
gretchengehrke "Here's a great resource for soil sampling. Section 8.3.2 gives a good start for a step-by-step protocol for surface soil sampling. Table 8.2 is sup..." | Read more » over 6 years ago
warren "Here's an answer from the DIY Oil Testing guide by @gretchengehrke and @eustatic " | Read more » over 6 years ago