a Department of Agronomy, N.M. College of Agriculture, Navsari Agricultural University, Navsari, Gujarat- 396450, India.

bDepartment of Natural Resource Management, ASPEE College of Horticulture, Navsari Agricultural University, Navsari, Gujarat396450, India.

c Department of Soil and Water Management Research Unit, Navsari Agricultural University, Navsari, Gujarat- 396450, India

DOI : https://doi.org/10.21276/AATCCReview.2024.12.03.311

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Abstract

A field experiment was conducted to studyaimed to investigate the impact of different organic nutrient sources on rice var. GNR-7 at the Organic Farm, ASPEE College of Horticulture, Navsari Agricultural University, Navsari, Gujarat, during theKharif season of 2021. The experiment was laid out in Randomized Block Design with a Factorial concept, consisting of two levels viz., soil application and foliar application. Total of 12treatments i.e.S1, 100% RDN through NADEP compost, S2, 80% RDN through NADEP compostalong with Azospirillium and PSB @ 2 l/ha each, S3, 60% RDN through NADEP compost along with Azospirillium and PSB @ 2 l/ha each and S4, Ghan-jivamrut @ 500 kg/ha + Jivamrut @ 500 l/ha, and that of foliar application was, F0, control, F1, Novel Organic liquid nutrient @ 1% and F2, Moringa leaf extract @ 3%. The application of foliar spray was done thrice at 15, 30 and 45 days after sowingwas replicated thrice.The result revealed that the mean data of nutrient content in rice grain and straw did not significantly change due to soil and foliar application of different organic nutrient sources.The total NPK uptake was recorded as significantly the highest with the S1 treatment, and was statistically similar to the treatment S2.The foliar application of treatment F2 recorded significantly the highest total NPK uptake by crop, but was statistically similar to treatment F1.
So, it can be concluded thatproviding 100 percent RDN through NADEP compost in the soil andalong with the application of 3 percent Moringa leaf extract or 1 percent Novel organic liquid nutrients on days 15, 30, and 45 post-planting on leaves, resulted in significantly higher grain yield, and total nutrient uptake of N, P, and K compared to treatments involving Ghan-jivamrut @ 500 kg/ha + Jivamrut @ 500 l/ha on soil, and the control.

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