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Drought takes toll on native oaks
Cover:
Although well adapted to periodic drought, populations of three species of native oak suffered setbacks from the severe 6-year drought on the California Central Coast. This blue oak (Quercus douglasii) was photographed in Hastings Natural History Reservation in Carmel Valley.
Photo by Norden H. (Dan) Cheetham
How nurseries can limit pesticide use
Cover:
Customers select purchases at a UC Davis Arboretum plant sale. Research showed that insecticide use in the nursery could be reduced without significantly affecting ornamental plant quality or sales. Photo by Jack Kelly Clark
Rice industry simmers: market challenges, resource constraints
Cover:
The beautiful curving lines of Sacramento Valey rice paddies – shown in this 1975 rice harvest photograph – are disappearing today as laser planing technology makes it possible to level fields with great precision. Photo by Jack Kelly Clark
Small is bountiful: A special report on small farms.
Cover:
With the help of UC Small Farm Advisor Pedro Ilic, Fresno County farmer Chan Eagle has obtained abundant yields of Japanese eggplant – tenfold the output of some surrounding farms. She also grows oriental herbs and other specialty vegetables.
Whitefly wars: silverleaf in the San Joaquin
Cover:
Silverleaf whiteflies cover cotton leaf. Adults transmit viruses as well as feed on sap; they are about 1/16 of an inch long – the width of a nickel. Photo by Tom Perring.
Bt's at bloom may replace dormant sprays
Cover:
The insect pathogen Bacillus thuringiensis proved effective in controlling peach twig borer on almonds, peaches and nectarines, offering a possible alternative to dormant organophosphates. Watne Johnson, staff research associate at UC Davis, is shown spraying Bt in a Colusa County almond orchard.
Photo by Jack Kelly Clark
November-December 1993
Volume 47, Number 6
Volume 47, Number 6