Indian Journal of Agricultural Research

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Research Article

Indian Journal of Agricultural Research, volume 52 issue 2 (april 2018) : 207-210

Growth parameters of autumn rice under various irrigation schedules and nutrient management

Santosh K. Gadad, P.K. Gogoi, Milon Jyoti Konwar
1Department of Agronomy, Assam Agricultural University, Jorhat-13, Assam
Cite article:- Gadad K. Santosh, Gogoi P.K., Konwar Jyoti Milon (2018). Growth parameters of autumn rice under various irrigation schedules and nutrient management. Indian Journal of Agricultural Research. 52(2): 207-210. doi: 10.18805/IJARe.A-4875.

ABSTRACT

A field experiment was conducted at Instructional-cum-Research (ICR) Farm, Assam Agricultural University, Jorhat-13 during autumn season of 2015 to study the nutrient management of direct seeded autumn rice under various irrigation schedules. The experiment consisted of four irrigation schedules viz., I1(No irrigation), I2(Irrigation at tiller initiation (TI) + boot leaf stage (BL)), I3(Irrigation at TI + panicle initiation (PI) + BL), I4 (Irrigation at TI + PI + Grain filling stage(GF)) and three nutrient management practices viz.,F1(100 % RDF +2t/ha FYM), F2(50 % RDF +1.5 t/ha enriched compost), F3(50 % RDF + 1.5 t/ha Vermicompost). The trial was laid out in split plot design with three replications. The soil was sandy loam. Inglongkiri rice variety was used in the experiment.  Results revealed that irrigation schedule I3(Irrigation at TI + PI + BL) recorded significantly the highest growth characters of rice in terms of plant height, number of leaves per plant, and dry matter accumulation. Different nutrient management practices brought about significant differences in plant population per and dry matter accumulation. The highest of these parameters were recorded under application of 50% RDF along with 1.5 t/ha enriched compost and this was statically at par with F1 (100% RDF +2 t/ha FYM).

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