Nutritional needs of fruit trees indicated by leaf analysis
Authors AffiliationsOmund Lilleland is Pomologist, University of California, Davis; K. Uriu is Assistant Pomologist, University of California, Davis.
Hilgardia 14(11):12-12. DOI:10.3733/ca.v014n11p12. November 1960.
Deficiencies and excesses of essential elements occur in various California orchards. A major research project is aimed at detecting those faults and restoring the fruit trees to healthy and profitable condition.
Also in this issue:Cooperative buying for mass merchandising by retail grocery firms
Imported french parasite of walnut aphid established in California
Potentially serious cotton disease angular leaf spot established in California
Nitrogen fertilization of irrigated pastures to improve forage production capacity
Picking efficiency of cotton picker improved by unsynchronized speeds
Cattle feeding trials with acorns and oak leaves indicate need for supplementing dry range forage
Plant breeding of commercial peppers for disease resistance
New method for measuring movement of soil water
Seedless watermelons: In southern California
Principal damage of green apple aphid
Mechanical grape harvest
Black-eyed peas as swine feed
Solvent seasoning of redwood
Elongation and bending of asparagus spears
Plastic covers for vegetable crop frost protection
Virus disease of the granulate cutworm
Fruit cartons in bulge test
Nematode control for deciduous fruit and nut trees
Study of diurnal changes in plant transpiration
Onion downy mildew