Soil potassium for potatoes: Depletion of soil potassium by cropping necessitates potash fertilization in certain areas of Kern and Tulare counties
AuthorsK. B. Tyler
O. A. Lorenz
P. M. Nelson
J. C. Bishop
Authors AffiliationsK. B. Tyler is Assistant Olericulturist, University of California, Riverside; O. A. Lorenz is Professor of Vegetable Crops, University of California, Riverside; P. M. Nelson is Senior Laboratory Technician, University of California, Riverside; J. C. Bishop is Associate Specialist, University of California, Shafter.
Hilgardia 13(6):8-8. DOI:10.3733/ca.v013n06p8. June 1959.
Fertilizer experiments–and a nutrient survey during the 1958 spring season–showed that some fields in Kern and Tulare counties are being depleted of exchangeable soil potassium to the point of deficiency, through frequent cropping to potatoes.
Also in this issue:State's irrigation districts: Segment of California's agricultural economy increasing in importance as changes in the water payment complex evolve
Processing limas for freezing: Unit costs drop rapidly as percentage of grade-out drops and as total volume and effective utilization of plant increase
Traffic-induced compaction: Inexpensive and relatively easy to use new soil penetrometer enables measurement of variations in degree of compaction
Reduction of wildfire hazard: Removal of dead fuel reduced damage by wildfire in treated portion of experimental second growth ponderosa pine range
Lygus bug control in alfalfa: Increasing tolerance to insecticides complicates control of lygus bugs in state's major alfalfa seed producing areas
Pests of field beans: Insect and mite damage to pink, red beans investigated in Sutter Basin area
California red scale parasites: Colonization and recovery of three species introduced from the Orient in 1956–1957 indicate establishment in California
Control of tomato leaf miners: Comparative field tests indicate Dylox and Diazinon may be suitable as replacements for parathion in control programs
Quality of brussels sprouts: Low temperatures during handling operations retarded quality deterioration in study of temperature effects on respiration
Recent contributions of insect physiology to insect toxicology and control