PE in poultry: Variety of factors found to affect control of avian pneumoencephalitis

Also in this issue:

California Clingstone peaches: Economic status, 1948

Effect of potash on oranges: Studies on deficiency and excess in relation to tree growth, composition and fruit quality

Studies on dehydration of figs: Reduction in yeast count achieved is considered advantage for this type of drying

Low volume spraying: Of deciduous fruit trees successful with air carrier speed sprayers

Irrigation practices: Efficiency of different systems determined by various factors

Avocado root rot: Two-phase series of experiments to determine control methods

Suggestions for vineyard fertiliization: Test plots recommended to determine most efficient fertilization proggram

Black-end of pear: Problem is subject of extensive field and laboratory studies

Two new table-wine grapes: Promising in combining high productivity and wine quality

Citrus red mite: New chemical gives promising results in control experiments

Sweet root orange trees: Symptomless hosts of the quick decline virus

New publications

Some factors affecting the irrigation requirements of deciduous orchards