003250000a22001450004500060000800000082001400008100001800022100002200040245005400062250000600116260001800122260000900140300000800149650002200157  a100  a631.4 MIL  aDonahue, R.L.  aMiller, Raymond W  aSoils : an introduction to soils and plant growth  a6  aPrentice Hall  c1992  a768  aSoil/ Plantgrowth