Cotton phosphate fertilization: New soil test provides reliable and easily applied diagnostic guide to quantity of available phosphate
AuthorD. S. Mikkelsen
Author AffiliationsD. S. Mikkelsen is Assistant Professor of Agronomy, University of California, Davis.
Hilgardia 9(1):7-15. DOI:10.3733/ca.v009n01p7. January 1955.
A new soil test that tells how much phosphorus in the soil is available to crops—recently developed at the U.S.D.A. Western Regional Phosphate Laboratory—uses a sodium bicarbonate—baking soda—solution to extract the soil phosphate.
Also in this issue:The California apparatus for respiration trials with large animals
Farm population of California: Prospective adjustments in state's agriculture resulting from rapidly growing population studied
Brush control in ponderosa pine: Technics of prescribed burns to encourage growth of desirable game browse in second-growth timber
Timber in Humboldt County: Economic appraisal of forest conditions undertaken to investigate development and use of main resource
Allotments for California rice: Growers must choose between lower market prices and support prices with their production controls
Leaf curl plum aphid control: Tests in 1954 season developed spray treatments against insect pest of sudden economic importance
Control of nematodes on grapes: Soil fumigation with crop rotation tested as way to protect grape replants against root parasites
Harvest time affects valencias: Yield, fruit size and grade influenced by early, late, or midseason timing of orange harvesting
California livestock industry: Competitive position of state's industry influenced by transportation rate structure and distribution
External parasites of poultry: Tests indicate malathion may prove to be effective control for common external parasites of poultry