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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.2018.7(5): 993-999
DOI: https://doi.org/10.20546/ijcmas.2018.705.123


Influence of Integrated Nutrient Management on Growth and Yield of Maize (Zea mays)
Krishnakhi Borah, Rinjumoni Dutta and Khagen Kurmi
Department of Agronomy, Assam Agricultural University, Jorhat-785013, India
*Corresponding author
Abstract:

A field experiment was conducted at Instructional-cum-Research Farm (ICR) of Assam Agricultural University, Jorhat during summer season of the year 2016 to evaluate the varietal response and integrated nutrient management practice for growth and yield of maize. The experiment was laid out in split plot design and replicated thrice. The soil of the experimental site was sandy loam in texture, acidic in reaction (pH 4.94), medium in organic carbon (0.72%), low in available N (159 kg/ha) and P2O5 (23.78 kg/ha) and medium in available K2O (160.5 kg/ha). Two composite variety of maize viz., RCM-76 and DA-61-A were sown in 18th of March (2016) and harvested by two picking on 24th June and 4th July. Experimental findings revealed that the two varieties did not differ significantly, however DA-61-A variety showed better response to different INM treatments. INM practices influenced the growth characters of maize in terms of number of leaves per plant and all yield attributing character of maize. 50% RD of N through fertilizer + 50% N replaced by enriched compost (I6) recorded the highest values for all crop physiological parameters (LAI, LAD and chlorophyll content). Similarly, the yield attributing characters viz., weight of cob with and without husk, length of cob, average diameter of cob, number of rows/cob, grain/row, grain/cob, 1000 grain weight, weight of grain per cob, yield (cob and stover yield) of maize was observed to be highest under 50% RD of N through fertilizer + 50% N replaced by EC (I6). The highest grain and stover yield being 39.8 q/ha and 78.4 q/ha respectively was produced from I6 (50% RD of N through fertilizer + 50% N replaced by EC) treatment.


Keywords: Nutrient Management, Growth and yield, Maize (Zea mays)
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How to cite this article:

Krishnakhi Borah, Rinjumoni Dutta and Khagen Kurmi. 2018. Influence of Integrated Nutrient Management on Growth and Yield of Maize (Zea mays).Int.J.Curr.Microbiol.App.Sci. 7(5): 993-999. doi: https://doi.org/10.20546/ijcmas.2018.705.123