THE USE OF LOW QUALITY SWEET POTATOES ROOTS (Ipomoea batatas) FOR ALPHA·AMYLASE PRODUCTION BY Aspergillus oryzae

THE IMPACT OF CHEMICAL AND PHYSICAL CHARACTERISTICS OF NORTH SINAI SOilS ON THE AGRICULTURAL POTENTIALITIES

ATTEMPT TO STUDY THE MICROMORPHOLOGICAL FEATURES OF POLLUTED SOILS AND RELATED TO SOIL PRODUCTIVITY

CHANGES OF SOIL PHYSICAL PROPERTIES AND MACRO NUTRIENT UPTAKE BY WHEAT IN DIFFERENT SOILS 'AS AFFECTED BY POLYMERS

RESPONSE OF (HAMED) OLIVE CULTIVAR TO IRRIGATION REGIME AND NITROGEN FERTIGATION UNDER SIWA OASIS CONDITIONS

MODELING NUTRIENTS UPTAKE AS A FUNCTION OF PLANT GROWTH RATE

FOLIAR APPLICATION OF SOME MICRONUTRIENTS ON THE ADAPTATION AND GENETIC BEHAVIOR OF SOME SOYBEAN CUL TIVARS UNDER DESERT CALCAREOUS SOIL

COMPACTION OF METAL SALT UREA COMPLEXES WITH SINGLE SUPERPHOSPHATE AND THEIR EFFECTS ON RADISH PLANT

FERRIHYDRITE AS A POTENTIAL IRON AMENDMENT IN CALCAREOUS SOILS