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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
IJCMAS is now DOI (CrossRef) registered Research Journal. The DOIs are assigned to all published IJCMAS Articles.
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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 2019: 96.39
Index Copernicus ICI Journals Master List 2019 - IJCMAS--ICV 2019: 96.39
For more details click here

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Original Research Articles

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
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(7): 3458-3469
DOI: https://doi.org/10.20546/ijcmas.2020.907.404


Effect of Integrated Nitrogen Management on Macronutrient Content and Uptake of Rice Fallow Rabi Blackgram
M. Latha*, P. Ratna Prasad, P.R.K. Prasad, R. Lakshmipathy and V. Srinivasarao
Department of Soil Science & Agril. Chemistry, Agricultural College, Bapatla, India
*Corresponding author
Abstract:

A field experiment was conducted on the residual effect of integrated nitrogen management on rice and rice fallow blackgram crop. The major nutrient content (N, P & K) and uptake by blackgram crop was studied during rabi season. The experiment was conducted at College Farm, Agicultural College, Bapatla during the kharif and rabi seasons of two years 2015 and 2016. The treatments consists of M1(100% RDN) and M2 includes 50% RDN + 25% N through FYM + 25% N through neem cake + recommended dose of microbial consortium (Azospirillum + PSB @ 2.5kg ha-1). The main treatments were imposed during kharif seasons of both the years and their residual effect was studied during rabi season with blackgram rabi crop. During the immediate kharif, the experiment was laid out in a split plot design without disturbing the soil for succeeding rabi crops with the two treatments given to kharif rice as main plot treatments and each of these divided into five sub-plots. Popular cultivars of rice (BPT 5204) and blackgram (PU 31) were used for this study. The highest nitrogen content was obtained in seed of blackgram (3.12 %) during 2015-16 and 3.25% during 2016-17 year. The highest nitrogen uptake was noticed in seed 95.03 kg ha-1 during 2015-16 and 104.81 kg ha-1 of blackgram during 2016-17 year. The overall highest phosphorus content was obtained in seed of 1.34% during 2015-16 and 1.25% during 2016-17 year. The overall highest phosphorus uptake was noticed in seed of 40.81 kg ha-1 during 2015-16 and 40.31 kg ha-1 in seed of blackgram during 2016-17 year while the highest potassium content was obtained at harvest stage of haulm of 0.52%, 0.60% during first and second years. The overall 20.78 kg ha-1 and 20.67 kg ha-1 of potassium uptakes were noticed in haulms of blackgram crop observed during 2015-16 and 2016-17 years respectively.


Keywords: INM, Yield of blackgram, Nutrient content, Nutrient, Uptake by rice fallow rabi blackgram
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How to cite this article:

Latha, M., P. Ratna Prasad, P.R.K. Prasad, R. Lakshmipathy and Srinivasarao, V. 2020. Effect of Integrated Nitrogen Management on Macronutrient Content and Uptake of Rice Fallow Rabi Blackgram.Int.J.Curr.Microbiol.App.Sci. 9(7): 3458-3469. doi: https://doi.org/10.20546/ijcmas.2020.907.404