00819nam a2200205 a 450000100080000000500110000800800410001910000180006024500560007826000340013430000270016852003190019565000090051465000150052365000160053865000090055465300140056365300150057765300210059213864362014-11-13       1980    bl uuuu      00u1 u    #d1 aWALKER, J. L.  aSoil fertility study methodologies for the tropics.  aHonolulu: [s.n.], 1980.c1980  aPaginação irregular.  aSampling Methods. Laboratory and greenhouse studies to determine plant. Nutriente requirements for different soils.Interpretation of greenhouse studies. Techniques for soil sampling, site selection and field plot. Practical use of discontinuous models for the  rapid interpretation of crops response in fertilizer.  asoil  aAdubação  aFertilidade  aSolo  aFertility  aFertilizer  aRegião tropical