<MC>Learn the basics for harvesting rainwater during a two-hour seminar Nov. 10 at Harmony Farm Supply and Nursery in Sebastopol.
Bruce Hallinan, who has installed dozens of rainwater harvesting systems around the Bay Area, will give advice on the best tank for your property, how much rainwater you can collect on a typical North Bay house, how to safely store the water and the best ways to install a rain tank, as well as different methods to use the water.
There will be a number of rain barrels, tanks and accessories on display. 10 a.m. to noon. Enrollment is limited to 30. Sing up on online at harmonyfarmsupply.com or call 823-9125.
<MC>Veteran Sonoma County horticulturist Robert Kourik will share the science of building up great soil during a workshop Nov. 10 at Sonoma State University.
Kourik, who has written several books, including "Roots Demystified," "Drip Irrigation for Every Landscape and All Climates," and "No Digging, for a Healthier Soil & Sustainable Garden," will talk about pore space, a root's interaction with soil, mulches and the benefits of no-till versus cultivated soil.
He also will touch on mychorrhizal association, root zones, soil indicators and nitrogen fixation, all with the goal of creating vigorous, vibrant landscapes. 8:30 a.m. to 4:30 p.m. Cost is $165. The class will be held in the School of Extended Education in Darwin Hall 107, 1801 E. Cotati Ave., Rohnert Park. For information and to register call 664-2394. Kourik can be reached at firstname.lastname@example.org.