Madras Agricultural Journal
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ORGANIC MANURE AND THEIR INTERACTIONS WITH INORGANIC FERTILIZERS ON NUTRIENT AVAILABILITY UPTAKE AND YIELD OF RAGI CROP

Abstract

Greenhouse experiment conducted with ragi Co.11 as a test crop showed that application of compost along with 75% NPK fertilizers recorded the highest grain yield followed by biogas slurry. Grain yield was higher in black soil when compared to red soil. Application of 100% NPK fertilizers along with organic materials generally resulted in higher availability of N, P, K, Ca, Mg, Fe, Mn, Zn, and Cu in soil and their respective uptake in the plant. The results showed that combined application is beneficial in terms of increased nutrient availability which resulted in higher crop yields.

Keywords: Organic manure, inorganic fertilizers, nutrient availability, uptake, ragi yield

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