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2017•International Journal of Current Microbiology and Applied SciencesOpen access

Grain Yield and Nutrient Uptake of Direct Seeded Rice as Influenced by Application of Micronutrients

Manjunatha Bhanuvally, Y. M. Ramesha, D. Krishna Murthy, H. Yogeeshappa

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Abstract

An experiment was conducted during Kharif 2014 and 2015 at Agricultural Research Station, Dhadesugur, University of Agricultural Sciences, Raichur, Karnataka, India, to study the grain yield and nutrient uptake of direct seeded rice as influenced by application of micronutrients. Results revealed that, application of RDF + Zn (25 kg/ha) + FeSO4 (5 kg/ha) + 1 % FeSO4 spray at 25 DAS recorded significantly higher grain yield (6069 kg/ha) and straw yield (7270 kg/ha) and which was onpar with the application of RDF + Zn (25 kg/ha) + FeSO4 at 5 kg/ha (5911 and 7185 kg/ha, respectively) over the other treatments. However, application of RDF + Zn (25 kg/ha) + FeSO4 (5 kg/ha) + 1 % FeSO4 spray at 25 DAS recorded significantly higher uptake of nitrogen (65.0 kg/ha), phosphorus (13.4 kg/ha), potassium (108.7 kg/ha) and sulphur (13.4 kg/ha). Further, application of RDF + FeSO4 (5 kg/ha) recorded significantly least grain (5264 kg/ha) and straw yield (6588 kg/ha) compared to other treatments.

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An experiment was conducted during Kharif 2014 and 2015 at Agricultural Research Station, Dhadesugur, University of Agricultural Sciences, Raichur, Karnataka, India, to study the grain yield and nutrient uptake of direct seeded rice as influenced by application of micronutrients. Results revealed that, application of RDF + Zn (25 kg/ha) + FeSO4 (5 kg/ha) + 1 % FeSO4 spray at 25 DAS recorded significantly higher grain yield (6069 kg/ha) and straw yield (7270 kg/ha) and which was onpar with the application of RDF + Zn (25 kg/ha) + FeSO4 at 5 kg/ha (5911 and 7185 kg/ha, respectively) over the other treatments. However, application of RDF + Zn (25 kg/ha) + FeSO4 (5 kg/ha) + 1 % FeSO4 spray at 25 DAS recorded significantly higher uptake of nitrogen (65.0 kg/ha), phosphorus (13.4 kg/ha), potassium (108.7 kg/ha) and sulphur (13.4 kg/ha). Further, application of RDF + FeSO4 (5 kg/ha) recorded significantly least grain (5264 kg/ha) and straw yield (6588 kg/ha) compared to other treatments.

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Available abstract

An experiment was conducted during Kharif 2014 and 2015 at Agricultural Research Station, Dhadesugur, University of Agricultural Sciences, Raichur, Karnataka, India, to study the grain yield and nutrient uptake of direct seeded rice as influenced by application of micronutrients. Results revealed that, application of RDF + Zn (25 kg/ha) + FeSO4 (5 kg/ha) + 1 % FeSO4 spray at 25 DAS recorded significantly higher grain yield (6069 kg/ha) and straw yield (7270 kg/ha) and which was onpar with the application of RDF + Zn (25 kg/ha) + FeSO4 at 5 kg/ha (5911 and 7185 kg/ha, respectively) over the other treatments. However, application of RDF + Zn (25 kg/ha) + FeSO4 (5 kg/ha) + 1 % FeSO4 spray at 25 DAS recorded significantly higher uptake of nitrogen (65.0 kg/ha), phosphorus (13.4 kg/ha), potassium (108.7 kg/ha) and sulphur (13.4 kg/ha). Further, application of RDF + FeSO4 (5 kg/ha) recorded significantly least grain (5264 kg/ha) and straw yield (6588 kg/ha) compared to other treatments.

Key concepts: Straw, Kharif crop, Nutrient, Micronutrient, Animal science, Phosphorus, Potassium, Grain yield

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