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Research Article Open access CC BY 4.0

Impact of Different Formulations of Biofertilizer Consortia (NPK & NPKZn) on Proximate Nutritional Composition of Hybrid Maize (Co H (M) 8) Grains

M. Akash, M. Gnanachitra, D. Balachandar, P. Geetha

International Journal of Plant & Soil Science · pp. 413–424 · Published 21 Dec 2023

10.9734/ijpss/2023/v35i234257

Abstract

The study focused on the effect of liquid and powder formulations of biofertilizer consortia developed for NPK and NPKZn nutrition using Azospirillum, phosphobacteria, potash bacteria and zinc solubilizing bacteria on the proximate nutrient component analysis of maize grains and to evaluate their potential as nutrient-rich sources for both human and animal consumption. Cereals, particularly maize, is one of the globally utilized and significant crops, contributing substantially to human diet, as animal feed, substrate for fuel and occupying a considerable portion of agricultural land. The nutritional composition of maize, encompassing starch, carbohydrate, protein, crude fiber and ash plays an important role in dietary planning and epidemiological research. The experiment involves different treatments, each representing a specific biofertilizer consortium application method, such as liquid and powder formulations. The liquid formulation of NPK and NPKZn biofertilizer consortia applied through seed treatment and powder formulation of NPK and NPKZn biofertilizer consortia applied through seed coating and compared with the existing recommendation in maize crop. The results indicate variations in moisture content, protein levels, starch yield, carbohydrate composition, ash content, and crude fiber among the treatments. Notably, seed coating with NPKZn biofertilizer consortia in powder form, stands out with promising attributes, including high protein content (8.08%), significant starch yield (69.88%), and balanced amylose to amylopectin ratio. The findings contribute valuable insights for selecting optimal biofertilizer consortia formulations to enhance the nutritional quality of maize, crucial for both agricultural and dietary considerations.

Maize NPK and NPKZn biofertilizer consortia proximate nutritional composition

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