COMPOSTING OF SEWAGE SLUDGE AND DIFFERENT PLANT RESIDUES

IMPROVING WATER USE EFFICIENCY USING DRIP AND SPRINKLER IRRIGATION TO GROW POTATOES AT TWO LOCATIONS IN THE NEW VALLEY.

USE OF BIOFERTILIZATION AND ORGANIC MANURE TO DECREASE THE ADVERSE ENVIRONMENTAL IMPACTS OF INORGANIC NITROGEN IN AGRO-ECOSYSTEM.

EFFECT OF SOME NITROGEN AND SULPHUR SOURCES ON PLANT GROWTH AND YIELD OF ONION (ALLIUM CEPA, L.)