Lemon response to phosphate: Substantial increase in yield of lemons followed application of phosphate in trials in two counties

Aldrich, D; Coony, J

Lemon response to phosphate: Substantial increase in yield of lemons followed application of phosphate in trials in two counties

Authors

D. G. Aldrich
J. J. Coony

Authors Affiliations

D. G. Aldrich, Jr., is Associate Chemist, University of California College of Agriculture, Riverside; J. J. Coony is Farm Advisor, San Diego County, University of California College of Agriculture.

Publication Information

Hilgardia 5(3):8-8. DOI:10.3733/ca.v005n03p8. March 1951.

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Abstract

Part II of a two-part progress report.

Part I of this progress report, published in the February 1951 issue of California Agriculture, described the marked improvement observed in the vegetative characteristics of lemon trees receiving soil applications of phosphate fertilizer in field trials in Ventura and in San Diego counties in 1949–50.

Also in this issue:

Farm products and real: Estate analysis of factors that may modify downward trend in prices temporarily deferred by current emergency

Poultry husbandry report: Brief progress report of advances in poultry research conducted during 1950 by the staff of the division

New planter for range seeding: Drill-type planter developed for seeding rolling hill grazing land without seed bed preparation

Spider mite control: Acaricides show selectivity on apples and pears in northern California

Walnut blight: Three compounds found effective in prebloom-postbloom spray program

Use of fire in land clearing: Controlled burns by planned application and confinement of fire to preselected wildland area a tool of many uses

Nitrogen sprays: Tests reported with fertilizer containing 44% organic nitrogen

Olive tree spacing: Studies indicate wide spacing of trees advantageous to yields

Concentration of certain constituents of the soil solution under orchard conditions