00417    a2200145   4500020001800000082001500018100002200033245008600055260003000141300001900171650001600190650002100206650001700227650002700244  a9781601730329  a631.4bMCK  aMckibben, William  aThe art of balancing soil nutrientsba practical guide to interpreting soil tests  aTeXasbAcres c2012g2012  aix,236p.c25cm  aAgriculture  aSoils - analysis  aSoil testing  aCrops - Soil fertility