Return-stack orchard heater: Virtually smokeless heating service unde for 180 hours without cleaning demented Heater
AuthorsA. S. Leonard
Robert A. Kepner
Authors AffiliationsA. S. Leonard is Lecturer in Mechanical Engineering, Berkeley; Robert A. Kepner is Lecturer in Agricultural Engineering and Assistant Agricultural Engineer in the Experiment Station, Davis.
Hilgardia 4(6):8-10. DOI:10.3733/ca.v004n06p8. June 1950.
The Return-Stack orchard heater is the only bowl-type heater available at the present time which has been proved by field tests to provide reliable operation over long periods of time without cleaning and without objectionable amounts of smoke, even in mass heating.
Also in this issue:Weather effects on oranges: Fruit size and yields influenced by temperature, blossoming date and age of trees
Sugar beet growth research: All factors affecting growth of plants now subject to individual study in controlled environment laboratory
Giant-berry grapes: Principles of genetics employed to propagate varieties producing berries of larger size
Washington navel orange juice: Quality and mineral composition affected by chemical fertilizers, manure and covercrops
Navel orange juice bitterness: Rootstock determines amount of bitterness in juice of Washington Navel oranges investigations reveal
Wind machines: Operating costs in field trials less than heaters but protection is limited
Freeze injuries to citrus: Tests during 1949 reveal facts important to growers of Valencia oranges and Marsh grapefruit
Insect pests of alfalfa seed: Proper timing of control measures increases yield and quality of alfalfa seed
Melon aphid control: Effectiveness of insecticides influenced by weather, predator populations, and infestations in adjacent fields
The effect of dormant pruning on the carbohydrate metabolism of Vitis vinifera