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Choosing a lime - what you need to make better decisions

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The purchase of lime is a large upfront cost for growers and understandably they want to feel confident that their choice of lime is a good one and will ameliorate any acidity. Lime quality is a major factor that affects the extent of pH change and the time frame in which pH is changed.

Lisa Miller
Southern Farming Systems (SFS)

Key messages

  • Lime quality is affected mainly by its neutralising value and particle size and solubility plays a minor
  • role affecting performance in the first 6 to 12 months
  • A high quality lime has a NV above 90% and contains a high proportion of particle sizes less than 0.1mm
  • There are calculators available that can help growers compare the cost effectiveness of limes

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