Abstract
Aims: Within the realm of sustainable agriculture and its attendant issues, there exists a compelling need for a viable approach to cropping systems that integrates pragmatic and economically sound crop management tactics. This is imperative to uphold land productivity and secure a lasting provision of crops for human consumption. Acknowledging the pivotal contribution of organic manure when combined with chemical fertilizers in crop cultivation and the safeguarding of soil well-being, a research inquiry was formulated for a noteworthy cropping sequence.
 Study Design: Randomized block design.
 Place and Duration: School of Agricultural Sciences, Nagaland University, Medziphema. Duration: 2019-2021.
 Methodology: The study took place from 2019 to 2021 at the School of Agricultural Sciences (SAS), Medziphema Campus in Nagaland. The primary aim was to assess the lasting impact of both manure and fertilizers on yield and soil condition in a ricebean system over this two-year duration. In the second week of April in both 2019 and 2020, Dhaincha (Sesbania aculeata), a green manure crop, was sown using seeds. After a 30-day decomposition period, this green manure was incorporated into the soil. Soil samples were collected from the upper 0-15 cm layer of each experimental plot and analyzed. The experimental field was laid out in randomized block design with three level of organic manures i.e., poultry manure (PM), pig manure (PGM) and farm yard manure (FYM) along with doses of inorganic fertilizers : 100% RDF, 75% RDF, 50% RDF. The treatment combinations included T1 : GM (Sesbania) + PM (0.7 t ha-1) + 100 % RDF; T2: GM (Sesbania) +PM (0.7 t ha-1) + 75 % RDF; T3: GM (Sesbania) + PM (0.7 t ha-1) + 50 % RDF ; T4: GM (Sesbania) + PGM (0.7 t ha-1) + 100 % RDF; T5: GM (Sesbania) +PGM (0.7 t ha-1) + 75% RDF; T6: GM (Sesbania) + PGM (0.7 t ha-1) + 50 % RDF; T7: GM (Sesbania) +FYM (4 t ha-1) + 100 % RDF; T8: GM (Sesbania) + FYM (4 t ha-1) + 75 % RDF; T9: GM (Sesbania) +FYM (4 t ha-1) + 50 % RDF.
 Results: In treatment T1, which involved the application of a blend of green manure and poultry manure at a rate of 0.7 tons per hectare, coupled with a full dose of RDF, exhibited outstanding outcomes in ricebean cultivation. This resulted in elevated seed yields, improved seed quality, sustained soil health, and maximized economic gains for farmers in the foothill conditions of Nagaland.
 Conclusion: The substantial enhancement in ricebean growth parameters can be credited to the rich nutrient content and beneficial micronutrients present in poultry manure. combining Recommended Dose of Fertilizers (RDF) with poultry manure, known for its ability to boost nodule formation in legumes, improved soil fertility, fostered beneficial microbial activity, and promoted legume health, ultimately leading to higher yields. In contrast, farmyard manure (FYM) outperformed pig manure due to its balanced nutrients, microbial activity, organic matter, and positive impact on soil quality, creating an optimal environment for plant growth. Poultry manure's capacity to stimulate nodule formation, enhance soil fertility, and support legume health resulted in increased nitrogen fixation and improved yields in leguminous crops, fostering early root development and robust growth in ricebean crops.
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