Author(s): Medha Shreya and Dr. Victor Debbarma

Abstract: The field experiment was conducted at Crop Research Farm during Kharif season 2022, Department of Agronomy, Sam Higginbottom University of Agriculture, Technology & Sciences, Prayagraj, Uttar Pradesh. The objective was to study the effect of System of Rice Intensification and organic manure on yield attributes and economics of rice (Oryza sativa L.). The result showed that treatment six (T6) [25 cm x 25 cm + FYM (18t/ha)] recorded significantly higher number of panicles /plant (13.33) higher number of grains /panicle (155.67) higher test weight (24.92g),higher grain yield (5.73t/ha), higher straw yield (6.13 t/ha) harvest index (48.24%) compared to other treatment combination. The maximum gross return (201350 INR/ha), maximum net return (143237 INR/ha), highest benefit cost ratio (2.46) was also recorded in treatment 6[25 cm x 25 cm + FYM (18t/ha)].

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