00928naa a2200205 a 450000100080000000500110000800800410001910000210006024501520008126000090023352002890024265000180053165000090054965000090055870000250056770000170059270000130060970000210062277300790064321304542022-04-19       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 soilh[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.