CELLULASE EFFECTS ON SOME PHYSICAL AND CHEMICAL PROPERTIES OF SOILS.

EFFECT OF POLUTION ON THE WATER QUALITY OF RIVER NILE IN DAKAHLIA AND DEMITTE.

INFLUENCE OF IRRIGATION AND FERTILIZATION ON WATER USE AND EFFICIENCIES OF MAIZE ON SALINE SOIL

IMPACT OF AGRICULTURAL MACHINERY PRACTICES ON THE DEGRADATION OF SOME CHARACTERISTICES OF CLAYEY SOILS