Effect of Some Organic and Inorganic Soil Amendments on the Available N, P and K in Sandy and Calcareous Soils

PLANT GROWTH AND NUTRIENTS UPTAKE AS INFLU-ENCED BY APPLICATION OF FARMYARD MANURE AND SOME NATURAL MINERALS TO SANDY SOILS

EFFECT OF BIOORGANIC ADDITIVES ON CALCIUM SOLUBILITY FROM ROCK PHOSPHATE UNDER SANDY AND CLAYEY SOILS CONDITIONS

PHOSPHORUS BIOAVAILABILITY IN CALCAREOUS AND SANDY SOILS

ORGANIC AMENDMENTS AND THEIR EFFECT ON STATUS OF SOME NUTRIENTS IN SOIL AND PLANT

IMPACT OF SOME ORGANIC AND BIOFERTILIZERS SOIL AMENDMENTS ON THE FERTILITY STATUS, SOME SOIL PROPERTIES, AND PRODUCTIVITY OF SANDY SOILS

EFFECT OF ORGANIC MANURES AND PHOSPHORUS FERTILIZER ON FABA BEAN PLANT AND SOME PHYSICAL PROPERTIES OF SANDY AND ALLUVIAL CLAY SOILS

EFFECT OF ORGANIC RESIDUE ON YIELD AND NUTRIENT UPTAKE OF WHEAT UNDER SANDY AND CALCAREOUS SOILS CONDITIONS

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

MANAGEMENT OF SUPPLEMENTARY N-ORGANIC SOURCES AS A PARTIAL REPLACEMENT OF N-MINERAL AS RELATED TO AMELIORATION OF SANDY SOIL PROPERTIES AND YIELDS OF A SESAME-WHEAT CROPPING SEQU