William B. Morrison | Akateeminen Kirjakauppa

Early recognition and control of weeds invariably leads to considerable savings in the cost of herbicides used on crops and in gardens. This atlas is an indispensable full colour photographic guide to the 40 most common weeds afflicting arable farmland and gardens. The weeds have all been photographed at cotyledon and seedling stage to permit early identification and control. Accompanying line drawings highlight major features and calendar germination and flowering times.