Abstract
Abiotic stresses soil salinity is one of the major restricting the use of land for agriculture because it limits the crop growth and development. In these stressful conditions, improving productivity is important challenge because salinity has different effects on crop growth and developmental stages in different crops. Exogenous application of proline, humic acid and ascorbic acid has improved salt stress tolerance in various plant species. An experiment was conducted in farmer’s field at Raparla village, Battiprolu mandal during spring season, 2018 and 2019 to evaluate the effect of exogenous application of organics for alleviating salt stress on sorghum crop. The experiment was conducted in randomized block design with five treatments which replicated four times. Five treatments in this study were applied as follows: (T1) control i.e farmer’s practice; (T2) proline application at 0.6 g/L; (T3) ascorbic acid application at 0.2 g/L; (T4) humic acid application at 2 g/L; (T5) Combination of T1, T2, T3 and T4. The Results showed that all treatments (T2, T3 T4 and T5) effected on the yield characteristic and yield (kg/ha). The highest yield attributes and yield of sorghum crop (3460 and 3240 kg/ha) was significantly recorded by T5 (the combined application of proline + ascorbic acid + humic acid) followed by T2 (alone proline application).
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