Fig. 1

Showing a) Area of stomata b) Stomatal aperture c) Area of guard cells d) Stomatal index of wheat (Triticum aestivum L.) plants grown in non-amended, 2.5% and 5% biochar, 2.5% and 5% vermicompost, 2.5% and 5% Perlite and 2.5% and 5% activated biochar amended soil under 80% moisture under 50% moisture. Note: Where, T0 = non-amended soil, T1 = 2.5% biochar amended soil, T2 = 5% biochar amended soil, T3 = 2.5% vermicompost amended soil, T4 = 5% vermicompost amended soil, T5 = 2.5% perlite amended soil, T6 = 5% perlite amended soil, T7 = 2.5% activated biochar amended soil, T8 = 5% activated biochar amended soil