Garden Pests in New Zealand

Garden Pests in New Zealand

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Description

"[...]however, the case is different. In order to compete in the world's markets, and to supply the growing demands of increasing population, a much higher and dependable standard of productivity is required than is found in nature. Consequently, whilst utilising, and increasing the efficiency of the so-called natural enemies as auxiliaries in his fight against destructive animals, man has found it necessary to develop an effective system of artificial control, involving chemicals, resistant plants, cultivation, crop rotation, etc., for the purpose of maintaining a more stringent balance to meet his requirements. Historical Review of New Zealand Conditions. [...]."show more

Product details

  • Paperback | 98 pages
  • 152 x 229 x 5mm | 141g
  • Createspace
  • United States
  • English
  • black & white illustrations
  • 1507557256
  • 9781507557259