Effect of conjoint application schedules of organic and inorganic sources of nutrients on growth, yield and economics of rice

SHAKTI OM PATHAK; B.P. DHYANI; NIDHI LUTHRA; U.P. SHAHI; GAURAV SHUKLA

doi:10.59797/ija.v68i4.5453

Authors

SHAKTI OM PATHAK Assistant Professor, S.G.T. University, Gurugram, Haryana, 122 505
B.P. DHYANI Professor, Sardar Vallabh Bhai Patel University of Agriculture and Technology, Meerut, Uttar Pradesh 250110
NIDHI LUTHRA Assistant Professor, C.C.R. (PG), Muzaffarnagar, Uttar Pradesh, 251 001
U.P. SHAHI Associate Professor, Sardar Vallabh Bhai Patel University of Agriculture and Technology, Meerut, Uttar Pradesh 250 110
GAURAV SHUKLA Senior Research Fellow, ICAR-Indian Agricultural Research Institute, New Delhi 110 012

DOI:

https://doi.org/10.59797/ija.v68i4.5453

Keywords:

Economics, growth parameters, rice, Integrated, yield

Abstract

A field experiment was conducted during (kharif) summer season of 2019 and 2020 at Crop Research Centre, Sardar Vallabh Bhai Patel University of Agriculture and Technology, Modipuram, Meerut, Uttar Pradesh to study the effect of integrated use of chemical nitrogen fertilizer and green manure on performance of rice (Oryza sativa L.). The experiment consists of fourteen treatment combinations of conjoint application of organic and inorganic sources of nutrients was laid-out in randomized block design with three replications. The results showed that the significant highest dry matter accumulation (1,205.90 g/m2 ) at harvest stage, leaf-area index (4.18), crop growth rate (16.34 g/m2 /day), relative growth rate (7.09 mg/g/day), grain yield (3.88 t/ha) and straw yield (6.64 t/ha) recorded in the 25% recommended N through dhaincha incorporated + 75% N through chemical fertilizer was found at par with RDF (120N : 60P : 50K) and 25% recommended N through vermicompost incorporated 10 days before transplanting + 75% N through chemical fertilizer and it was significantly superior over rest of the treatment combinations. The substitution of 25% N through incorporated dhaincha at planting was found most promising in terms of productivity, profitability and performed better than other treatments and may be recommended for farmers of Uttar Pradesh and similar agro-eco regions.

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