Before-and-after tests on emitters show organic fertilizers can be injected through low-volume irrigation systems

by Lawrence Schwankl, Glenn McGourty
Published 1992-09-01

Furrow torpedoes improve irrigation water advance

by Lawrence Schwankl, Blaine Hanson, Anthanasios Panoras
Published 1992-11-01

In laboratory and field tests, water conditioners fail to improve infiltration or prevent clogging

by Jan Hopmans, Lawrence Schwankl, Stephen Grattan, Josh Gravenmier
Published 1992-11-01