A repository of research reports from the UCCE Tehama Agronomy and Weed Science Program. Click links to view results. Walnut:Document 2025 Preemergent demonstration Prune:Document Johnsongrass management: 2025 summary Olive:Document Tre-Hold Sprout Inhibitor: Paint mixes for olive sucker suppressionDocument Chemical management of olive suckers: 2025 trial results