Assertion: comfrey's potassium | /r/HasProperty | k
Facets:
Source sentences:
text: Based on this I calculated how much Potassium (K), Nitrogen (N) and biomass the 13 m2 comfrey patch can potentially produce in a year.
text: But those same roots extract vital potassium (the K in fertilizer's N-P-K) from deep soil layers and it is distributed throughout the comfrey plant.
text: Based on this I calculated how much Potassium (K), Nitrogen (N) and biomass the 13 m2 comfrey patch can potentially produce in a year.