Stratified random sampling is a method of sampling that divides a population into smaller groups that form the basis of test samples.

Sampling of water systems for Legionella, Pseudomonas aeruginosa or bacteriological can be somewhat daunting, with thoughts of "do I need to sample," "how to take a sample" and "where should I send ...

Manure has always been a valuable input to agricultural soils in our region. The value of manure has increased significantly in the last few years as the cost of commercial fertilizers has climbed to ...

A panel of crop advisers recognizes the benefits of corn tissue sampling but say scaling back or cutting it may be considered ...