This book Phosphorus Dynamics in Pigeonpea Rhizosphere in Conservation Tillage has been written to assess the utilization of fixed phosphorus in phosphorus deficient soils by pigeonpea rhizosphere and its impact on the other crop when it s grown with other crops under such soils. This book also emphasize on benefits of adoption conservation agriculture for maintaining soil health and soil quality. Adoption of conservation agriculture not only improves nutrient availability in soil furrow level but also improve soil physical, chemical and biological quality. Adoption of pigeonpea in cropping system in phosphorus deficient soils increase phosphorus availability with release of low molecular weight organic acids in rhizosphere soil and reduce dependence on chemical fertilizers.