Knowing
Your Nitrogen
Timely, careful application of nitrogen
fertilizers not only helps plantings but
also can prevent water pollution. By Janis Keating
Testing
the Waters at a Texas Shoreline
Careful studies of an eroding island help
uncover solutions to preserving habitats. By Yu-Chun Su, Paul Jensen,
Marty Heaney, Bob Gearhart, Kay Jenkins,
and Charlie Belaire