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A field experiment was conducted under loamy sand soil during kharif, 2016 at S.K.N. College of Agriculture, Jobner, Rajasthan study to the effect of fertility levels and organic manures on growth, yield and quality of clusterbean. The treatments consisted of four fertility levels i.e. F0 (Control), F1 (50% RDF), F2 (75% RDF) and F3 (100% RDF and four liquid biofertilizers i.e. B0 (Control), B1 (N-fixer), B2 (P-fixer) and B3 (N+P fixer) were replicated three times in randomized block design. The results showed that the seed, straw, biological yields, N, P and K content and uptake in seed and straw and protein content of clusterbean increased significantly with the increase in each level of applied fertilizer up to 75% RDF. However, there was no significant difference between 75% and 100% RDF. Results further indicated that seed inoculation with N+P fixer showed significantly highest seed, straw and biological yields K content in seed and straw, total uptake of N, P, K and protein content over all the treatments, while both P-fixer and N-fixer remained at par with each other but proved significantly superior over control. Based on the results of one years investigation, it can be concluded that Combined application of 75% RDF and N+P-fixer recorded significantly higher seed yield (1745 kg/ha) and proved equally effective as 100% RDF when combined with N+P-fixer.