Isbn: 9780860981848 - pest control safe for bees: manual and directory for the tropics and subtropics (2 Ergebnisse)

Zustand: Very Good. pp.224 with b/w. illus. Small 4to. Softback. Minor spotting to fore-edges of text block o/w. contents fine. Card covers thor. vg. Publisher's press release for this book loosely inserted. The most common method of pest control on crop plants is the use of insecticides and acaricides. But if these chemicals are applied at flowering time and pollinating bees and other insects are killed, crop yields are likely to be poor. A comprehensive, easy-to-follow guide to pest control in commercial crops that will have the minimum impact on bees. Includes tables of pesticides that are 'most toxic to bees', 'very toxic to bees' and 'least toxic to bees'.…

Zustand: Near Fine. pp.224 with b/w. illus. Small 4to. Softback. Some spotting and light marking to fore-edges of text block o/w. contents fine. Card covers nr. fine. The most common method of pest control on crop plants is the use of insecticides and acaricides. But if these chemicals are applied at flowering time and pollinating bees and other insects are killed, crop yields are likely to be poor. A comprehensive, easy-to-follow guide to pest control in commercial crops that will have the minimum impact on bees. Includes tables of pesticides that are 'most toxic to bees', 'very toxic to bees' and 'least toxic to bees'.…