Organic, biological and mineral fertilization on some plants and its effect on absorption of some nutrient elements

The aim of the present work is to study the effect of different fertilizers mineral fertilizers as (chemical ”super phosphate and/or potassium sulfate” and natural ”rock phosphate and/or feldspar’’) in absence or presence of biofertilizers as Bacillus strThe second part was conducted to study the residual effect of different fertilizers as (chemical mineral fertilizers ”super phosphate and/ or potassium sulfate” and natural mineral fertilizers ”rock phosphate and/or feldspar’’) in absence or presence of b