Cracked stem of celery: Boric acid sprays reduced incidence of disorder in field trials with nitrogen and potash fertilization
F. W. Zink
A. R. Spurr
Authors AffiliationsM. Yamaguchi is Assistant Olericulturist, University of California, Davis; F. W. Zink is Assistant Specialist in Vegetable Crops, University of California, Davis; A. R. Spurr is Assistant Olericulturist, University of California, Davis.
Hilgardia 7(5):12-12. DOI:10.3733/ca.v007n05p12. May 1953.
Boric acid sprays can control the occurrence of cracked stem in certain varieties of celery which follows excessive applications of nitrogen and potash fertilizers—or potash alone, when the soil fertility is optimal.
Also in this issue:Cotton-potato farms: Costs, returns, and relationships to scale of operation in Kern County
Mechanized cotton growing: Effects of mechanization on yield and quality studied in tests on planting, thinning, flaming and harvesting
Cotton fertilizers: Kind and amount needed for best production studied in field tests
Spider mite on cotton: Under leaf coverage obtained with low volume, low pressure sprayers
Pest control by seed treatment: Wireworms and seed-corn maggots can be controlled by treating seed with lindane prior to planting
Grape leaf skeletonizer: Two parasites of the western skeletonizer colonized in successful search for natural enemies of pest
Thinning tokay grapes: Results of a study on the relationship of thinning practices to lugs shipped, total yield and net income
Landscaping for summer shade: Good planning uses cooling influence of plants to reduce summer temperatures in living areas
Pre-packaged and bulk spinach: Survey of Berkeley housewives reveals buying practices and opinions on price and quality of spinach at retail
Studies in pigeon nutrition: Addition of vitamin supplements to commercial pigeon ration investigated for effect on squab production
Sugar beet by-product tested: Alternate for molasses palatable to cows when mixed with concentrates and does not affect milk quality
Plant buffer systems in relation to the absorption of bases by plants