A simple method of detecting viral DNA could make it possible to diagnose infectious diseases in the barn or in the field.
Saturated buffers can provide a cost-effective means of removing nitrates from tile drainage water before it flows into adjacent creeks and streams. However, the site must meet specific guidelines.
The secret is in the timing.
Chemical fertilizers should activate precisely when the crop needs more nutrients.
A garden filled with native shrubs and perennial grasses and flowers can both beautify a yard and protect the environment.
A lake covered in green slime is a sure sign of high levels of nitrogen and phosphorous.
A tiny aquatic plant called duckweed might help remove contaminants from ponds and slow-moving waterbodies and then could be harvested and incorporated into animal feed.
Bacteria levels in many South Dakota streams are too high.