Herbicides on rangeland forage: Reduction of plant competition during seedling establishment on annual ranges by application of pre-emergence herbicides
AuthorsCyrus M. McKell
Burgess L. Kay
Authors AffiliationsCyrus M. McKell is Plant Physiologist, Crops Research Division, ARS, USDA, and Associate in Agronomy, University of California, Davis; Burgess L. Kay is Assistant Specialist in Range Management, University of California, Davis; Jack Major is Assistant Professor of Botany, University of California, Davis.
Hilgardia 13(4):7-9. DOI:10.3733/ca.v013n04p7. April 1959.
Excessive competition from resident annual grasses and forbs–for moisture and nutrients–is one of the primary problems in establishing improved forage species on annual ranges.
Also in this issue:Cotton price and production: Lower total farm earnings in 1959 prospect for California growers whether operating under Allotment Plan A or Plan B
Commercial cut flower industry: Further production increases without substantial increase in acreage may cause changes in successful marketing practices
Gibberellins on chrysanthemum: Properly timed applications of potassium gibberellate sprays improved flower shape of two commercial varieties of pompon
Aster yellows virus in celery: Spray treatment of natural breeding area of aster leafhopper controls spread of important virus disease to celery fields
Summer-planted solana berries: Tests in southern California and also at Davis show early summer plantings of new strawberry yield with variety Lassen
Herbicides on white potatoes: Weed control field trials with seven herbicides conducted in San Bernardino County with varying results in effectiveness
Codling moth investigations: Severe infestations in northern California walnut orchards in 1958 followed conditions favorable to the second brood
Parathion resistant mites: Performance of new acaricides evaluated in trials against strain of mites known to be resistant to phosphate compounds
Poultry house cleanout machine: Manure pickup device designed for use in obstruction-free area under strings of poultry cages shows high efficiency
Management of: Second growth stands of Douglas-fir
Nitrate concentration and ion balance in relation to citrus nutrition