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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 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
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Index Copernicus ICV 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2019.8(2): 619-635
DOI: https://doi.org/10.20546/ijcmas.2019.802.071


Influence of Date of Sowing and Foliar Application of Nutrients on Dry Matter Production, Partitioning and Growth Parameters of Soybean
G.M. Sumalatha1 and D.S. Uppar2*
Department of Seed Science and Technology, College of Agriculture, Dharwad, University of Agricultural Sciences, Dharwad, India
*Corresponding author
Abstract:

A field experiment on effect of planting date and foliar application of nutrients on crop growth and seed yield of soybean variety DSb 21, was conducted by following split plot design with three replications in Main Agricultural Research Station, UAS, Dharwad during kharif, 2016 and 2017. The experiment consisted of three sowing dates with fortnight interval (first fortnight of June, second fortnight of June and first fortnight of July) and foliar spray of eight treatments. Among the dates of sowing, first fortnight of June (D1) recorded significantly higher stem (9.86g/plant), leaf (7.91g/plant) and pod (2.78g/plant) at 60 DAS, highest total dry matter produced at 30, 60 DAS(5 g/plant and 20.55g / plant) and harvest (33.83 g/ plant), crop growth rate (17.23g /m2 day1) and leaf area duration (62.06 days) at 60-75 days after sowing. Foliar spray of KNO3 @ 0.5 % + KH2PO4 @ 0.5 % + Boron 0.50 % (T8) recorded higher stem weight (10.63 g), leaf (8.27 g) and pod (3.11 g) at 60 DAS, highest total dry matter produced at 60 DAS (22.02g), crop growth rate (17.38 g /m2 day1) and leaf area duration (60.23 days) at 60-75 days after sowing. Interaction effect of crop sown on first fortnight of June (D1) sprayed with KNO3 @ 0.5 % + KH2PO4 @ 0.5 % + Boron 0.50 % (T8) recorded highest stem (11.16g), leaf (8.69g) and pod (3.26g) at 60 DAS, highest total dry matter produced at 60 DAS (22.02g), crop growth rate (17.38 g /m2 day1) and leaf area duration (68.12days) at 60-75 days after sowing based on pooled analysis. In general, the results of this study indicated that planting date of first fortnight of June sprayed with KNO3 @ 0.5 % + KH2PO4 @ 0.5 % + Boron 0.50 % were suitable for soybean planting in the Dharwad region of Karnataka.


Keywords: Date of sowing, Nutrient spray, Dry matter partitioning, Crop growth rate and leaf area duration
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How to cite this article:

Sumalatha, G.M. and Uppar, D.S. 2019. Influence of Date of Sowing and Foliar Application of Nutrients on Dry Matter Production, Partitioning and Growth Parameters of Soybean.Int.J.Curr.Microbiol.App.Sci. 8(2): 619-635. doi: https://doi.org/10.20546/ijcmas.2019.802.071