INTEGRATED NUTRIENT MANAGEMENT PRACTICES ON YIELD ATTRIBUTES, YIELD AND NUTRIENT UPTAKE OF HYBRID RICE GROWN UNDER SYSTEM OF RICE INTENSIFICATION - MUSTARD CROPPING SEQUENCE

A. NAYAK¹*, N. MANDI², A. MAHAPATRA³, C.M. KHANDA^4
1Regional Research and Technology Transfer Station, Bhawanipatna, 766001, Odisha University of Agriculture and Technology, Bhubaneswar, Odisha 751003, India
²Regional Research and Technology Transfer Station, Bhawanipatna, 766001, Odisha University of Agriculture and Technology, Bhubaneswar, Odisha 751003, India
³AICRP on Sunflower, Odisha University of Agriculture and Technology, Bhubaneswar, Odisha 751003, India
⁴Regional Research and Technology Transfer Station, Bhawanipatna, 766001, Odisha University of Agriculture and Technology, Bhubaneswar, Odisha 751003, India
* Corresponding Author : anshumanouat@gmail.com

Received : 01-06-2020     Accepted : 27-06-2020     Published : 30-06-2020
Volume : 12     Issue : 12       Pages : 9948 - 9952
Int J Agr Sci 12.12 (2020):9948-9952

Keywords : INM, Hybrid rice, SRI, Mustard, Nutrient uptake
Academic Editor : Argha Ghosh
Conflict of Interest : None declared
Acknowledgements/Funding : Authors are thankful to Regional Research and Technology Transfer Station, Bhawanipatna, 766001, Odisha University of Agriculture and Technology, Bhubaneswar, Odisha 751003, India for providing the financial support in carrying out the experiments
Author Contribution : All authors equally contributed

The field experiment was conducted during 2013-14 and 2014-15 at Regional Research and Technology Transfer Station (RRTTS) of Orissa University of Agriculture and Technology (OUAT), Bhawanipatna to evaluate the effect of Integrated Nutrient Management (INM) practices on yield, yield attributes and nutrient uptake of hybrid rice grown under System of Rice Intensification (SRI) –mustard cropping sequence. The results revealed that application of 120-60-60 kg N-P2O5-K2O (RDF) + FYM 5 t ha-1 with split application of N, ¼at transplanting (TP), ½ at active tillering (AT) and ¼ at panicle initiation(PI) registered significantly higher effective tillers m-2 (183), filled grains panicle-1 (213), grain yield (7545 kg ha-1) and straw yield (7241kg ha-1) of hybrid rice Ajay. The yield attributes and yield of mustard differed significantly with the residual effect of the nutrient management practices adopted in rice. At harvest, significantly higher siliquae plant -1, seeds siliqua-1, 1000 seed weight and seed yield (806 kg ha-1) were recorded in the treatment applied with 100% RDF + 5 t FYM ha-1 with split application of N ¼ at transplanting, ½ at active tillering and ¼ at panicle initiation. Higher siliquae plant -1, seeds siliqua-1, 1000 seed weight and seed yield (805 kg ha-1) were recorded with basal application of 20-10-10 kg N-P2O5-K2O (50% RDF) + 5 kg ha-1 Azotobacter and PSB to mustard. The treatment combination of RDF+5 t FYM (¼ N at TP, ½ N at AT and ¼ N at PI stage) to rice and 50% RDF+ Biofertilizer(BF) to mustard recorded highest Rice Equivalent Yield(REY) of 10122 kg ha-1 as well as total N, P and K uptake of 146.6, 51.1 and 219.0 kg ha-1, respectively by the rice-mustard sequence..

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