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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2018: 95.39
Index Copernicus ICI Journals Master List 2018 - IJCMAS--ICV 2018: 95.39
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
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Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2020.9(8): 1253-1260
DOI: https://doi.org/10.20546/ijcmas.2020.908.141


Effect of Fertigation Schedule on Water and Fertilizer Use Efficiency in Aerobic Rice
G. Yamuna and M. Dinesh Kumar*
Department of Agronomy, College of Agriculture, Shivamogga, India
*Corresponding author
Abstract:

Field experiments were conducted on sandy loam soils in the field unit of Agronomy division, College of Agriculture, Shivamogga, Karnataka, India during Kharif  season of 2015 and 2016. In this field trial, the effect of levels and methods of fertilizer application (surface and fertigation) with combination of water soluble fertilizers and normal fertilizers or alone on growth and yield of aerobic rice was studies.  The experiment was laid out in a Randomized Complete Block Design (RCBD) comprising of 3 replications and 12 treatments. Results revealed that nutrient uptake pattern increased with age till harvest for all the major elements. Nitrogen accumulation was highest (78.05 to 119.17 kg ha-1) closely followed by potassium (74.58-98.22 kg ha-1) and phosphorus (14.80 to 20.35 kg ha-1). Application of 100 per cent RDF along with surface irrigation resulted to accumulate 53.77 kg N ha-1, 9.84 kg P ha-1 and 28.25 kg K ha-1 in grains.  Compared to this, plots supplied with 100 (68.84 kg N ha-1, 11.87 kg P ha-1 and 31.20 kg K ha-1) or 125 (72.08 kg N ha-1, 12.81 kg P ha-1 and 32.53 kg K ha-1) per cent RDF through fertigation or conjunction of 25 per cent RDF through soil along with 75 (71.06 kg N ha-1, 12.44 kg P ha-1 and 31.73 kg K ha-1) or 100 (74.34 kg N ha-1, 13.55 kg P ha-1 and 33.66 kg K ha-1) per cent RDF through fertigation maintained higher uptake in grains. Further, these group of treatments performed best for achieving yield (60.95-68.92 q ha-1 grain) with higher water use efficiency (59.29 to 104.81 kg ha-cm-1) among the treatments tested.


Keywords: Aerobic rice, Drip, Fertilizers, Fertigation, Water soluble fertilizers
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How to cite this article:

Yamuna, B. G. and Dinesh Kumar, M. 2020. Effect of Fertigation Schedule on Water and Fertilizer Use Efficiency in Aerobic Rice.Int.J.Curr.Microbiol.App.Sci. 9(8): 1253-1260. doi: https://doi.org/10.20546/ijcmas.2020.908.141