NITROGEN EFFECIENCY IN BARELY UNDER SALINE-SODIC CONDITIONDS AS AFFECTED BY UREA, COMPOST AND BIOFERTILIZER (Rhizobium radiobacter sp.)

UTILIZATION OF MODIFIED AIR-BLAST SPRAYER FOR WEED CONTROL

EFFECT OF WATER STRESS, BIOFERTILIZERS AND NITROGEN APPLICATION RATES ON COWPEA YIELD AND SOME WATER RELATIONS IN THE NORTH MIDDLE NILE DELTA REGION

INFLUENCE OF DIFFERENT SOURCES AND LEVELS OF NITROGEN AND ROCK PHOSPHATE ADDITION ON MAIZE PRODUCTIVITY AND SOIL FERTILITY

INFLUENCE OF INORGANIC NITROGEN, PHOSPHORUS AND BIO-FERTILIZERS ON GROWTH, YIELD AND YIELD COMPONENTS AND NUTRIENT UPTAKE OF CUCUMBER (Cucumis sativus L.)

CHEMICAL AND BIOLOGICAL INDICATORS OF SOIL QUALITY IN ORGANIC AND CONVENTIONAL FARMING SYSTEMS