00523naa a2200169 a 450000100080000000500110000800800410001910000170006024500730007726000090015065000180015965300290017765300170020670000190022370000190024277300920026121059452019-05-08       2002    bl uuuu     u00u1 u    #d1 aRAIJ, B. van  aRationale of the the economy of soil testing.h[electronic resource]  c2002  aSoil analysis  aRationale of the economy  aSoil testing1 aCANTARELLA, H.1 aQUAGGIO, J. A.  tCommunications in Soil Science and Plant Analysis, V. 33gn. 15/18, p. 2521-2536, 2002.