00929naa a2200205 a 450000100080000000500110000800800410001910000210006024501530008126000090023452002890024365000180053265000090055065000090055970000250056870000170059370000130061070000210062377300790064421304542022-04-19       2021    bl uuuu     u00u1 u    #d1 aCHAGAS, J. K. M.  aLong-term effects of sewage sludge derived biochar on the accumulation and availability of trace elements in a tropical soil.h[electronic resource]  c2021  aThis study examined the effect of sewage sludge biochar, under field conditions for 5 yr, on the accumulation and availability of trace elements in a tropical soil. For this, 15 t ha?1 of sewage sludge biochar produced at 300 and 500 °C were applied in the first two growing seasons.  aSewage sludge  aSoil  aSolo1 aFIGUEIREDO, C. C. de1 aSILVA, J. da1 aSHAH, K.1 aPAZ-FERREIRO, J.  tJournal of Environmental Qualitygv. 50, n. 1, p. 264-277, Jan./Feb. 2021.