Content of macro- and microelements in vermicomposts
2001
Kalembasa, D. (Akademia Podlaska, Siedlce (Poland). Katedra Gleboznawstwa i Chemii Rolniczej)
In 7 vermicomposts produced from waste activated sludge (waste produced on the sewage purification plants at Siedlce from industrial-municipal sewage) with addition of peat. sawdust by differentiated ratio the concentration of macro- and microelements were determinated using agricultural-chemical methods. In the dry matter the concentration of determinated elements was as follow in percent: N - 1.03, P - 0.86, K - 0.66, Ca - 3.60, Mg - 0.36, Na - 0.37, in mg/kg: Fe - 3872, Mn - 275, Zn - 539, Cu - 44.2, Cr - 131, Cd - 0.68, Ni - 6.12
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