00353nam a2200097Ia 4500008004100000082001600041100003700057245007600094260007700170300000800247140113s9999    xx            000 0 und d  a581.13   H7  a"Goodall,D.W. and Gregory, F.G."  aChemical composition of plants as an index of their nutritional status.  a1947bImperial Bureau of Horticulture &  Plantation CropscKent(England)  a167