Who needs K?

FARMERS
INDUSTRIALISTS
DOCTORS
  • What is K?
    • Why plants need K
    • Why people need K
    • Why mankind cannot do without K
  • Who needs K?
    • Agricultural use
      • Why farmers use fertilisers
      • Why balanced fertilisation is important
      • Types of fertilisers
      • К fertilisers
      • How much K plants need
      • How much K plants absorb from soil
      • What will happen to yield in case of К defficiency
    • Industrial use of К
    • Medical use of К
  • Where does К come from?
    • How K mining began
    • How K is mined today
      • Mining method
      • Underground leaching
      • Evaporation from salt lakes
    • How much potash there is in the world
    • How K is processed
      • Flotation
      • Halurgy
    • Environmental effects of mining and production
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