Citrus trees in water cultures: Information derived from studies using nutrient solutions as tools of research is of inestimable value to citrus industry
AuthorsH. D. Chapman
E. F. Wallihan
D. S. Rayner
Authors AffiliationsH. D. Chapman is Professor of Soils and Plant Nutrition, University of California, Riverside; E. F. Wallihan is Associate Chemist in Soils and Plant Nutrition, University of California, Riverside; D. S. Rayner is Principal Laboratory Technician in Soils and Plant Nutrition, University of California, Riverside; Harrietann Joseph is Senior Laboratory Technician in Soils and Plant Nutrition, University of California, Riverside.
Hilgardia 12(3):3-4. DOI:10.3733/ca.v012n03p3. March 1958.
Certain types of basic information about soil-plant relations are indispensable for a sound basis for soil management. However, soils are an extremely complex body—consisting of almost endless numbers of chemical compounds and minerals, aqueous solutions, gas, and microorganisms—and are continuously changing.
Also in this issue:Changes in orange marketing: Developing revolution in marketing and distribution of the nation's food products affects fresh and processed oranges
Effect of nontillage of navels: Relation of some tillage practices to water infiltration, yield, and quality of oranges part of fertilizer experiment
Splitting of Navel oranges: Studies indicate local temperature and humidity more closely related to incidence of injury than is soil moisture content
Albinism in citrus seedlings: Nongenetic absence or deficiency of chlorophyll in seedlings prevented by treating freshly extracted seeds with fungicide
Iron and zinc foliage sprays: Radioactive tracers being used in basic studies on factors influencing absorption and translocation of micronutrients
Chlorine absorption: All portions of citrus trees grown in soil cultures absorbed chlorine in test
Red mite on citrus: Timing control treatments important and influenced by climate of growing areas
Grocery store credit service: Combinations of credit with telephone and delivery services are related to the locations, ownership and sizes of stores
Woolly and green apple aphids: Field trials with new materials in orchard near Watsonville indicate same timing of spray treatment controls both pests
Toxicity studies with arsenic in eighty California soils
Arsenic fixation in relation to the sterilization of soils with sodium arsenite
Toxicity studies with sodium chlorate in eighty California soils