1. 01-01-1994 11 pages, illustrated
  2. Book 3 explains deficiency symptoms of the following nutrients: Boron and Molybdeunum plus salinity, two or more deficiency symptoms, grow-box gardening, and Index.
  3. The definitive work on vegetable nutrition - nothing else we've seen comes close! Illustrates plant deficiency symptoms using more than 800 color photographs. Includes three volumes of detailed descriptions that teach what each nutrient does for plants and how to recognize the first and...
  4. 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.