Based on the bestselling Weeds of California and Other Western States; this is the perfect pocket-sized companion for anyone working in the field.These 48 cards

This encyclopedic yet easy-to-use 2-volume set covers 262 individual entries, including a full description of 451 species and another 361 plants compared as sim

This manual covers information essential for anyone using pesticides on California farms, including growers, managers and employees in an easy-to-use format; no