TRANSITION OF MICROELEMENTS INTO ESTONIAN SOILS AT LIMING WITH OIL SHALE FLY ASH FROM CYCLONES AND CEMENT DUST:
QUANTITATIVE ASPECT
L. PETS
Tallinn, Estonia
| The quantities of 44 microelements of cyclone fly ash and 28 of cement dust origin carried into Estonian soils have been calculated on the basis of elemental composition of lime fertilizers used and their average load during 30 years. |