EFFECT OF ADDED ROCK PHOSPHATE AND COMPOST ON SOIL PHOSPHORUS FRACTIONS AFTER DIFFERENT INCUBATION PERIODS

INORGANIC PHOSPHORUS FORMS IN ALLUVIAL AND CALCAREOUS SOILS AS AFFECTED BY DIFFERENT PHOSPHORUS APPLICATION LEVELS AND INCUBATION PERIODS.

EFFECT OF ORGANIC AND INORGANIC PHOSPHORUS APPLICATION ON SOME CHEMICAL PROPERTIES AND SOIL PHOSPHORUS FRACTIONS

DISTRIBUTION AND TRANSFORMATION OF PHOSPHORUS FORMS IN SOIL AFTER LONG-TERM APPLICATIONS OF P FERTILIZER AND CROP RESIDUES

PHOSPHORUS FRACTIONS AS CORRELATED TO SOME SOIL PROPERTIES IN SOME SOIL SERIES OF EGYPT

PHOSPHORUS BIOAVAILABILITY IN CALCAREOUS AND SANDY SOILS

Changes in Phosphorus Fractions and its Availability Status as Affected by Appling of Bio and Mineral Fertilizers in The Calcareous Soils

Phosphorus Fractions in some Calcareous Soils of Egypt as Affected by Aging and their Properties

PHOSPHORUS ADSORPTION ISOTHERM IN SOIL UNDER ORGANIC FARMING USING PATCH AND FLOW METHODS

Organic Carbon in Humic Fractions in Soil Influenced by Organic, Inorganic and Bio Nitrogen Fertilizers under Different Incubation Periods