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CHANGES IN THE AVAILABLE MAGNESIUM AND ZINC CONTENTS OF SOILS AFTER THE APPLICATION OF SEWAGE SLUDGES AND SEWAGE SLUDGE – PEAT MIXTURES
sewage sludge peat fertilization zinc
2010/12/8
The main subject of our work was to evaluate the effects of applied organic fertilizers: farmyard manure, sewage sludges of various origin and the sludge-peat mixture on changes in the available magne...