Optimization of a new organic approach to natural biostimulant (Jeevamrutha) for yield and quality management in Senna (Cassia angustifolia Vahl.): an agriculturally highly export-oriented crop
2024
Alagowdanahally Channakeshavegowda Jnanesha | Sripathi Venugopal | S. Ranjith Kumar | Ashish Kumar | Deepa Bisht | Chandan Singh Chanotiya | Raj Kishori Lal
Senna is a leguminous and industrial crop that produces high-quality glycosides (sennosides) in its leaves and pods, which have substantial therapeutic effects for alleviating constipation worldwide. However, further research on employing Jeevamrutha in Senna is required. As a result, the experiment was carried out at CSIR-CIMAP in Hyderabad for two consecutive years, in the years 2020–2021 and 2021–2022. The main aim is to identify the optimum dose of Jeevamrutha for higher growth, yield, and quality in Senna. The study used a randomized complete block design (RCBD) with seven treatments repeated three times. From the obtained result, it was observed that the application of 150 L of Jeevamrutha per acre observed significantly high leaf yields (1,085.2 kg·ha−1) and pod (318.7 kg·ha−1) equivalent to T2 in comparison to other treatments, i.e., application of 125 L of Jeevamrutha per acre (1,022.5 kg·ha−1, 312.1 kg·ha−1), and was succeeded by T3, i.e., application of 100 L of Jeevamrutha per acre (998.5 kg·ha−1, 288.5 kg·ha−1, respectively). Lower leaf yield (700.2 kg·ha−1) and pod yield (487 kg·ha−1) were observed in the control (T7). Similarly, the application of 150 L of Jeevamrutha per acre recorded significantly higher sennoside content in leaves (2.01%) and pods (3.11%), in comparison to other treatments, and was followed by T2 (1.98%, 3.09%) and T3 (1.89%, 2.97%). A similar trend was noticed in returns, i.e., the application of 150 L of Jeevamrutha per acre recorded significantly higher gross returns (USD\begin{document}${\$} $\end{document}1,495 ha−1) and net returns (USD\begin{document}${\$} $\end{document}1,066.4 ha−1).
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