00722naa a2200193 a 450000100080000000500110000800800410001910000160006024501050007626000090018165300310019065300300022170000240025170000180027570000180029370000170031170000240032877301760035218798552011-03-02       2010    bl uuuu     u00u1 u    #d1 aLEAL, O. A.  aThe effect of cover crops on the humification of organic material in a built soil after coal mining.  c2010  aLaser induced fluorescence  aRecovery of degraded area1 aCASTILHOS, R. M. V.1 aSANTOS, D. C.1 aPILLON, C. N.1 aKUNDE, R. J.1 aMILORE, D. M. B. P.  tIn: INTERNATIONAL BIOCHAR CONFERENCE, 3., 2010, Rio de Janeiro. Processing from terra preta de índios to the whole world. Rio de Janeiro: Embrapa Solos, 2010. p. 106-107.