T. W. Fisher – författare

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2 produkter

1. 

   Handbook of Biological Control

   Principles and Applications of Biological Control

   Av G. Gordh, Carl B. Huffaker m. fl.

   E-bok, 1999

   2200 kr

   Lägg i varukorg

   For many years the use of chemical agents such as pesticides and herbicides has been effective in controlling the many varieties of pests that infest both agricultural crops and backyard gardens. However, these pests are gradually becoming resistant to these agents, because the agents themselves …

2. 

   Handbook of Biological Control

   Principles and Applications of Biological Control

   Av T. W. Fisher, Thomas S. Bellows m. fl.

   Inbunden, 1999

   2099 kr

   Lägg i varukorg

   For many years the use of chemical agents such as pesticides and herbicides has been effective in controlling the many varieties of pests that infest both agricultural crops and backyard gardens. However, these pests are gradually becoming resistant to these agents, because the agents themselves …