Potassium fixation capacity of soil in surface and sub-surface alkaline soils of Ballia district

Abstract

Potassium fixation capacity of soil with their physico-chemical, physical and chemical nature of surface and sub-surface soils of Ballia district was analysed from different village’s soil samples. Potassium fixation capacity of surface soil was ranges from 40.4 – 136.3 % and sub-surface soil ranged from 56.2 – 116.2 % of targated distinguished village soils with their nature as soil pH of surface soil ranged from 7.55 – 8.03 and sub-surface soil 7.21 – 8.35 and where EC was in considerable range in both depth, Organic carbon content varied from 0.37 – 1.20 % in surface soil and 0.18 – 0.60 % in sub-surface soil, Available N, P and K content in surface soil from 221.2 – 347.6 kg ha-1, 9.74 – 14.85 kg ha-1, 201.6 – 436.8 kg ha-1 and sub- surface soil ranged from 158.0 – 293.8 kg ha-1, 8.74 -12.81kg ha-1, 246.4 – 414.4 kg ha-1, the textural class of those soils varied from loamy sand to clay loam respectively