Nitrate in lemon soil cultures: Nutrient experiments show increased nitrate concentrations improved tree growth and yield but with a loss in fruit size
AuthorsA. R. C. Haas
Joseph N. Brusca
Authors AffiliationsA. R. C. Haas is Plant Physiologist, Ernerdus, University of California, Riverside; Joseph N. Brwca is Principal Laboratory Technician, University of California, Riverside.
Hilgardia 10(12):9-10. DOI:10.3733/ca.v010n12p9. December 1956.
Nitrogenous fertilizers—in some form—are applied to most lemon orchards and in the majority of cases constitute the only fertilizers used. The growing of legume or other cover crops for the most part has been abandoned.
Also in this issue:Lemon industry in California: Market for fresh lemons and market for lemon juice products essentially one economic market with interlocked problems
Natural radioactive isotopes: Soil atmospheres high in radioactivity when compared with the open atmosphere due to releases by soils and rocks
Growth regulating metabolites: Gibberellin compounds derived from rice disease-producing fungus exhibit powerful plant growth regulating properties
Fertilizer injury to lettuce: Damage reproduced by application of toxic concentrations of inorganic commercial fertilizer materials or animal manure
Milo for laying hens efficient: No significant differences between corn and milo in rations for laying hens were found in two on-the-farm feeding trials
Rose clover yield and quality: Applications of superphosphate increased forage production over 300% and protein content 70% in Placer County trials
Inheritance of certain fruit and seed characters in watermelons