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  1. 01-01-2004 L'objet de ce fascicule est d'aider les agriculteurs/-trices de zones isolées à prévenir et enrayer les maladies et les plaies qui peuvent affliger leurs cultures. Ces agriculteurs/-trices n'ont peut être pas accès aux conseillers agricoles ou à d'autres experts qui pourraient diagnostiquer la...
  2. 01-01-2004 This Agrodok series #28 concerns identification of crop damage caused by diseases, pests or mineral deficiencies. 77 pages, illustrations
  3. 01-01-1983 This book consists of many photos of disorders (many deficiencies) together with description notes on 16 temperate zone vegetable crops.
  4. Access Agriculture Training Video Calcium deficiency is common among high-yielding dairy cows. A calcium deficient cow does not eat much, is cold to touch, looks tired and is unable to stand up. She gives less milk. Untreated cows may die. To prevent calcium deficiency, do not dehorn your cows....
  5. Book 3 explains deficiency symptoms of the following nutrients: Boron and Molybdeunum plus salinity, two or more deficiency symptoms, grow-box gardening, and Index.
  6. 01-01-1990 This book will help to pinpoint and treat specific nutritional deiciencies in your plants. Book 2 explains deficiency symptoms of magnesium, copper, manganese, zinc, sulfur and iron.