New program of research on olive cultural problems
H. T. Hartmann, Experiment Station, Davis.
California Agriculture 1(4):1-4. DOI: 10.3733/ca.v001n04p1a.
H. T. Hartmann is Associate in Pomology, Experiment Station, Davis.
Not available – first paragraph follows:
One problem which has plagued olive growers since antiquity is the irregular bearing nature of olive trees.