Use of fire in land clearing: Proper ignition techniques important requirements for successful management of controlled burns
L. T. Burcham
Ralph L. Fenner
R. F. Grah
Authors AffiliationsKeith Arnold is Assistant Professor of Forestry, University of California College of Agriculture, Berkeley; L. T. Burcham is Forest Technician, State of California Division of Forestry, Sacramento; Ralph L. Fenner is Range Conservationist, California Forest and Range Experiment Station, U. S. Forest Service, Berkeley; Rudolf F. Grah is Extension Forester, University of California College of Agriculture, Berkeley.
Hilgardia 5(6):13-15. DOI:10.3733/ca.v005n06p13. June 1951.
The fourth of five articles reporting the findings in investigations in the effectiveness, the safety and the cost of the use of controlled burning as a tool for land clearing.s No attempt is made to provide one formula for prescribed burning in California; each fire is an individual case to be planned on the ground.
Also in this issue:Sugar beet production, 1951: California acreage likely to be lower than last year as farmers find it more profitable to shift to other crops
Sugar beets and climate: Effects of night and day temperature and day length on beet growth and sugar production investigated
Control of orangeworms: Cryolite, DDD, parathion found most effective against four main species of orangeworms in southern California
Pest control by bacteria: Alfalfa caterpillar in field reduced to sub-economic levels within two days by bacillus applied as spray
Nitrogen needs of citrus: Losses caused by leaching and volatilization can be reduced by management and irrigation practices
District pipe systems: Concrete irrigation systems compared in study of efficiency of open, closed, and semi-closed types
Nitrogen on cantaloupes: Fertilization tends to increase fruit size and reduce culls but does not affect mosaic infection and yield
Dairy industry research: Brief progress report outlines current work aimed at improving the maior dairy products of California
Mastitis control: Proper management of herd most important in successful program
Deciduous character of pepper: Tiny fruited form is crossed with non-deciduous variety to get easy-to-pick pepper for commercial use
Some carbohydrate and nitrogen constituents of alternate-bearing sugar prunes associated with fruit bud formation