Influence of NPK and poultry manure on physico-chemical properties of cowpea (Vigna unguiculata L.) grown of soil Prayagraj district

Abstract

The research was conducted at the research farm of Department of Soil Science and Agricultural Chemistry, Sam Higginbottom University of Agriculture, Technology and Sciences, Prayagraj, U.P. during the Rabi season in 2023-2024. The experiment was laid out in randomized block design with eighteen treatments and three replications with three levels of NPK and poultry manure and two levels of PSB respectively. The available nitrogen, phosphorus and potassium (kg ha-1), (%) OC, (%) pore space and water holding capacity of soil after crop harvest was found significant except on bulk density (Mg m-3), particle density (Mg m-3), pH and EC (dSm-1) of soil after harvest. The treatment T18 (@ 100% NPK + @ 100% Poultry Manure + @ 100% PSB) have significant findings which comprises yellowish brown and sandy loam textured neutral to lightly alkaline soil that is non- saline in nature. Physico-chemical properties of soil was found best in treatment T18 as compare with in treatment T1 (Absolute control).