| abstract |
Org. fertilizer prepd. by low temp. drying of a mushroom culture medium at Ca 70 degrees C, esp. in a drum drier, comprises a powder or granulated prod. of composn.: total N 1.2 - 2.0%; total P2O5 0.7 - 1.2%; K 0.8 - 1.5%; CaO 6 - 13%; total Mg 0.2 - 0.35%, org. matter 50 - 70%, and with pH 68 - 7.2. Trace elements include Cu, Zn, Ba, Mn, Ca, Mo, and also Vitamins esp. B. |