00279nam a2200109Ia 450000500170000000800410001708200160005810000160007424500270009026000440011730000080016120260224040953.0260224s9999||||xx |||||||||||||| ||und||  a581.133 SCA  aScaife, A.  0aPlant nutrition 1982:   aLondon: Commonwealth Agri. Beauruc1982  a378