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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 2018: 95.39
Index Copernicus ICI Journals Master List 2017 - 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
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.2018.7(4): 3784-3789
DOI: https://doi.org/10.20546/ijcmas.2018.704.426


Comparative Efficiency of Different Organic Acids Spraying in Groundnut on Available Nutrient Status of Calcareous Soils
I. Jagga Rao, P. Ravindra Babu, P.R.K. Prasad and N. Venkata Lakshmi
Department of Soil Science and Agricultural Chemistry, Agricultural College, Bapatla-522 101, India
*Corresponding author
Abstract:

A pot culture experiment was conducted in Agricultural College, Bapatla, Andhra Pradesh to study the “comparative efficiency of different organic acids spraying in groundnut on available nutrient status of calcareous soils" during kharif season of 2015-16. The experimental soil was Calcareous (collected from Vertisol profile), low in available nitrogen, medium in available phosphorus and high in available potassium. All the micronutrients except iron were sufficient in the soil with values above their critical limits. The treatments comprised of control (T1); FeSO4.7H2O @ 0.25% (T2); citric acid @ 0.25% (T3); acetic acid @ 0.25% (T4); oxalic acid @ 0.125% (T5); ascorbic acid @ 0.25% (T6); hydroxyl amine hydrochloride (T7) were replicated thrice in completely randomized design (CRD) with three replications. Foliar application of organic acids was applied to the respective pots at peak flowering, peg penetration and pod formation stage of the crop growth. Similarly, Foliar application of organic acids showed non-significant difference in N, P, K and significantly increased the S and Fe contents in soil. Availability of N, K nutrients was maximum in treatments treated with ascorbic acid @ 0.25%, P was higher in treatments received oxalic acid @ 0.125% and S, Fe contents in soil were higher in treatment supplied with FeSO4.7H2O @ 0.25% were found significantly superior to rest of the treatments.


Keywords: Available nutrient status, Groundnut, Calcareous soils, Organic acids
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How to cite this article:

Jagga Rao, I., P. Ravindra Babu, P.R.K. Prasad and Venkata Lakshmi, N. 2018. Comparative Efficiency of Different Organic Acids Spraying in Groundnut on Available Nutrient Status of Calcareous Soils.Int.J.Curr.Microbiol.App.Sci. 7(4): 3784-3789. doi: https://doi.org/10.20546/ijcmas.2018.704.426