00454nam a2200133Ia 4500008004100000082002100041100002200062245005500084260004800139300001000187600004500197600003500242650004300277140224s9999    xx            000 0 und d  a631.45 '427.3 M2  aDavidescu, David.  aEvaluation of fertility by plant and soil analysis  aBucuresti (Romania)bEditura Academicc1982  a560p.  a David Davidescu and Velicica Davidescu.  aDavidescu, Velicica, jt. auth.  aFertility,Soil Analysis,Plant analysis