00477nam a22001577a 4500003000400000005001700004008004100021020001500062040000800077082002000085100001900105245005300124260005300177300001100230650007800241OSt20160302164720.0030206s2002    ck            000 0 spa d  a0521210542  cOSt04221a631.4bY686  aYoung, Anthony00aTropical soils and soil survey /cYoung, Anthony  aNew York: bCambridge university press,  c1976.  a468 p.042LEMBxSUELOS-TROPICALES xABONOS Y FERTILIZANTES xESTRUCTURAS DE SUELOS