Tomatoes make efficient use of applied nitrogen
Francis Broadbent, Department of Land, Air, and Water Resources, University of California, Davis
Kent B. Tyler, San Joaquin Valley Agricultural Research and Extension Center, Parlier
Donald M. May, Fresno County
California Agriculture 34(11):24-25. DOI: 10.3733/ca.v034n11p24.
Francis E. Broadbent is Professor of Soil Microbiology, Department of Land, Air, and Water Resources, University of California, Davis; Kent B. Tyler is Extension Vegetable Specialist, San Joaquin Valley Agricultural Research and Extension Center, Parlier; Donald M. May is Farm Advisor, Fresno County.
Although tomatoes are not as dependent on added nitrogen as other crops are, tests with labeled N show that they do make efficient use of nitrogen fertiher applications.