Soil nutrients are not even. They are not even across a field and they are not even with soil depth. Nutrients can differ drastically just a few inches of soil away. This is true even in ...

Destructive sampling is a research method that involves intentionally altering or damaging a specimen to address specific scientific questions. Because this process is irreversible, the University of ...

Cochran (1977) outlines eleven steps in the planning of a survey. Good sampling methods must exist in the environment of all of these steps. These steps are (1) a statement of the survey objectives, ...

A previous study showed that blood sampling either automatically, through a catheter, or by puncture of the tail vein is less stressful than facial vein phlebotomy in mice. We decided to investigate ...