Increased Yields from Peppermint Crops through Improved Micro nutrient Nutrition (Stage 2)

  • 33 pages

  • Published: 15 May 2013

  • Author(s): Menary, Robert, Professor

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For some years the total area of peppermint grown in Australia has been declining due to poor oil yields. One aspect of production which has not received detailed attention is plant nutrition. Removal of plant material from fields over many years has depleted micro nutrient levels to a level where severe symptoms of deficiencies are widespread.
This report follows on from a preliminary study which identified elements which were in the deficiency range for peppermint. The deficient elements identified were sulfur, copper, boron and molybdenum.