Abstract
ABSTRACT Field experiments were conducted for two years to evaluate the ameliorating effect of locally available diverse organic materials on saline sodic soil. The treatments comprised no-amendment (control), 100% GR (16.2 t ha−1), vermicompost, spent mushroom compost of Pleurotus ostreatus, farm yard manure, sheep dung and green manure (Prosopis julifera) each applied @ 10 t ha−1. Compared to 100% GR, the pooled EC reduced for two treatments spent mushroom compost and sheep dung (by 45 and 19%, respectively) while it was comparable (slight increased by 1.5%) for vermicompost. In 2019, soil pH for vermicompost and sheep dung was significantly on par with 100% GR, although this trend was insignificant in 2020. It can be concluded that vermicompost and sheep dung can be used in amelioration of sodic and saline sodic soil, respectively, and mushroom compost followed by natural leaching can be used in amelioration of saline soils.
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