Material Insights · Understanding the Material World

Maize and Potash

Their prices have moved together.

Maize (commodity) and Potash (commodity): 1 relationship.

How they are linked

1. Price link: crop demand

Cost and price · Moderate · Both ways

Maize is one of the heaviest users of potash, and grain prices set what growers can afford to spend on fertiliser. The effect works through planting seasons, so monthly moves hardly correlate (0.03) but yearly changes correlate at 0.44.

  • 0.03 monthly change correlation
  • 0.44 12-month change correlation
  • 1.05 fitted elasticity

Built from the site data on production routes, energy flows, industry value chains, input-output tables and prices.