One of my favorite places to kayak is a mile or so above a small hydroelectric dam. The river tends to get warm and sluggish during these dog days of summer. Kayaking over the weekend, it certainly ...

Most algae problems can be controlled by using copper products. However, you should not use copper products if there are trout or koi found in the pond. Duckweed and watermeal are two free-floating ...

A new study has revealed both the promise and the complexity of using duckweed as a biological tool for managing nitrogen pollution in rice agriculture. While this tiny floating plant can sharply curb ...