Drift of sprays, dusts, spores: Radioactive tracers used in determining distribution pattern of small airborne particles
AuthorR. N. Colwell
Author AffiliationsR. N. Colwell is Assistant Professor of Forestry and Assistant Silviculturist in the Experiment Station, Berkeley.
Hilgardia 3(8):5-12. DOI:10.3733/ca.v003n08p5. August 1949.
Spraying and dusting of agricultural crops with insecticides, fungicides, herbicides, hormones or fertilizers can be made more effective through accurate information as to the distribution pattern obtainable under various sets of conditions.
Also in this issue:California apples: Acreage and production declining due to unfavorable grower earnings
Root-lesion nematode injury: Trials under way to determine resistant or tolerant rootstocks for fruit and nut trees
Egg production: Application of principles of genetics may hasten improvement of poultry
Timber growth studies: Tree growth in Whitaker's Forest, Tulare County, during 33-year period; 1915 to 1948
Successful dehydration of clingstone peaches: Clingstone peaches can be dried successfully when proper procedure is followed carefully
Citrus fruit size studies: Experimental test of 2,4-D sprays to increase orange and grapefruit fruit size
Soil test for phosphate: New method of chemical analysis of soil for available phosphate is rapid and accurate
Downy mildew in spinach: Eventual control of damaging disease may be indicated by studies of Iranian spinach
Vitamins in walnut meats: Studies made to determine content of vitamins thiamine, riboflavin, niacin
Fumigation with calcium cyanide dust