[Biological activation of soils deficient in potassium by addition of natural phosphates].
D010710:Phosphates / Q000494:pharmacology*; D011188:Potassium; D012987:Soil; D012988:Soil Microbiology
D010710:Phosphates; D012987:Soil; D011188:Potassium
PHOSPHATES/effects; SOIL/microbiology
Activation biologique de sols carencés en P, par addition de phosphates naturels.