PHOSPHORUS FRACTIONS IN SOIL AMENDED BY MANURE, INORGANIC AND BIO NITROGEN FERTILIZERS UNDER VARIOUS INCUBATION PERIODS

EFFECT OF LONG-TERM APPLICATIONS OF P FERTILIZERS AND CROP RESIDUES ON P ADSORPTION AND P BALANCE IN SOILS UNDER CORN-CLOVER CROPPING SYSTEM

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

Availability and Transformations of Phosphorus in Calcareous Sandy Soil as Affected by Farmyard Manure and Elemental Sulfur Applications

LONG-TERM UTILIZATION OF CROP RESIDUES FOR IMPROVING P STATUS IN SOIL

PHOSPHORUS BIOAVAILABILITY IN CALCAREOUS AND SANDY SOILS

EFFECT OF RESIDENCE TIME ON PHOSPHATE DISTRIBUTION IN PHOSPHATE/COMPOST TREATED SOIL

EFFECT OF RESIDENCE TIME ON PHOSPHATE DISTRIBUTION IN PHOSPHATE/COMPOST TREATED SOIL

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