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  1. The Citrus Blackfly In Asia, And The Importation Of Its Natural Enemies Into Tropical America

  2. Earthwalk Activities

  3. Greenhouse screening for Fusarium wilt resistance in lupine

  4. Soil Fragmentation and Friability. Effects of Soil Water and Soil Management

  5. Global review of forest pests and diseases

  6. The Bluegrass Webworm

  7. The Contribution Of Research To The Development Of Organic Farming In Europe

  8. Ethics and animal welfare in organic animal husbandry: an interdisciplinary approach

  9. Livestock geography and land use

  10. The Western Grass-Stem Sawfly: A Pest Of Small Grains