- Author: Jeannette E. Warnert

Christmas tree production is a big business that offers economic benefits and environmental impacts, reported Erin Blakemore in Popular Science.
Christmas trees' environmental tolls include fuel for helicopters to harvest and trucks to transport, but UC Cooperative Extension farm advisor Lynn Wunderlich says fertilizer and pesticide use are the main culprits.
"There is pesticide use across the board," she said.
Christmas tree farmers can use integrated pest management tools to reduce pesticide use, including monitoring for pests and natural predators...
- Author: Jeannette E. Warnert

The recent identification of an Asian citrus psyllid infected with huanglongbing disease in a Riverside commercial citrus grove isn't surprising, said UC Cooperative Extension specialist Monique Rivera in an interview with Brian German of AgNetWest.
"We've had positive trees removed here in Riverside and we're not that far from LA," Rivera said. "Eventually those two quarantine circles are likely to merge here in Southern California."
Rivera said an HLB-infected ACP hasn't been found in Riverside commercial...
- Author: Jeannette E. Warnert

Rice farmers are encouraged to monitor vigilantly for a rise in yield-reducing armyworms, reported Jake Abbott in the Appeal-Democrat.
UC Cooperative Extension rice advisor Luis Espino said the most recent numbers were low but are expected to climb in the next few weeks. The pest can quickly devour rice foliage down to the water level. The crop may recover, but armyworm presence can lead to yield reduction.
“I've heard numerous stories where growers were used to some...
- Author: Jeannette E. Warnert

The newly appointed Presidential Director for the Clif Bar Endowed Organic Agriculture Institute, Houston Wilson, has already initiated a needs assessment of organic agriculture in California, reported Lee Allen in Western Farm Press. Wilson is using surveys and focus groups to determine production needs within target commodities.
“Our mission will be to develop research and extension for organic production of things like tree fruits, tree nuts and raisins, commodities representing a significant portion of the entire Central Valley, but with...
- Author: Jeannette E. Warnert

Considered among the most important agricultural innovations in the world, drip irrigation has been researched for decades. UC Cooperative Extension weed management advisor Aliasghar Montazar has taken a close look at its application in organic spinach cultivation, reported Matthew Grassi in Growing Produce.
Not only does drip irrigation use less water than irrigation with sprinklers, the slow emission of water near plant roots also diminishes the crops' susceptibility to disease. Growers believe that ongoing issues with downy mildew is at least partially caused by...