The experiment was conducted at the Tamil Nadu Rice Research Institute, Aduthurai, Thanjavur, Tamil Nadu, India during summer season 2023 with an objective to study the impact of nutrient management and microbial consortia practices on machine transplanted rice on ADT 56 variety. The experiment was laid out in randomized block design with 10 treatments which are replicated three times. The experiment was carried out assigning four age of seedlings (12, 15, 18, 21 days old seedlings), two methods of planting viz., machine and normal. Mat nursery was prepared for 8 row Yanmer transplanting machine. The result revealed that mechanized transplanting with 15 days old seedling with 100% RDF + Microbial consortia recorded higher shoot length (17.3 cm), plant height 114.7 (cm), number of panicles (383/m2), No. of grains/panicle (255/panicle) and grain yield (5747 kg/ha) whereas 21 days old seedlings with no fertilizer showed decrease in grain yield (3056 kg/ha). Higher net income (62009 ₹/ha) and B:C ratio (2.2) was recorded in 15 days old seedling with 100% RDF and application of Microbial consortia respectively. Microbial consortia: Azatobacter vinelandii MAZO 36 + Phosphorus Solubilizing Bacteria + Arbuscular Mycorrhizae fungi + Potash Releasing bacteria + Zinc solubilizing bacteria (Nursery + Main field).