14-N nitrogen fertilizer tracing experiments in the San Joaquin Valley (1972–73)
AuthorsA. B. Carlton
A. A. R. Hafez
Authors AffiliationsA. B. Carlton is Soils Specialist at the San Joaquin Valley Agricultural Research and Extension Center, Parlier; A. A. R. Hafez is Post Graduate Research Soil Scientist, University of California, Davis.
Hilgardia 27(11):10-13. DOI:10.3733/ca.v027n11p10. November 1973.
This report describes the establishment of a long-term, field-scale nitrogen tracing experiment for fertilizer-nitrogen at the Kearney Field Station, Parlier. The isotopic 14-nitrogen (obtained from Los Alamos through the cooperation of the U. S. Atomic Energy Commission) has been found to be an effective, practical fertilizer-nitrogen tracer—and is expected to be of particular value in future experiments toward understanding the cycling of nitrogen through the environment.
Also in this issue:Goals of research… food for people–quality of land and life
Citrus pest management studies in Tulare County
Lygus bug resistant cotton
Weather effects on baits for controlling european brown garden snails in citrus
Citrus stubborn disease organism cultured from beet leafhopper
Phylloxera-resistant grape rootstocks for the coastal valleys of California