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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.2020.9(1): 2317-2326
DOI: https://doi.org/10.20546/ijcmas.2020.901.263


Long term effect of Organic, Integrated and Inorganic Nutrient Management Practises on Soil Properties in a Vertisol
Praveen Karikatti1, S. N. Bhat1*, S. R. Balanagoudar1, B. G. Mastanareddy2,Veeresh1 and Satyanarayana Rao2
1Department of Soil Science and Agril. Chemistry, 2Department of Agronomy, University of Agricultural Sciences, Raichur- 584 104(Karnataka), India
*Corresponding author
Abstract:

A long term experiment on paddy  for eleven years ( 2005-06 to 2016-17) was conducted on a clayey textured Vertisol at Agricultural Research Station, Gangavati, UAS, Raichur to compare the influence of organic and conventional farming systems on soil physical, chemical and biological properties of soil with the following treatments viz., T1: 100 % N through organics, T2: 75 % N through organics,T3: Integrated N management (50 % N through organics & 50 % N through organics), T4: 100 % N through in-organics along with FYM @ 7 t/ha,  T5: 100 % RDF (150: 75:75 kg/ha).The experiment was laid out in a Randomized Block Design and treatments were replicated four times. Results revealed there was no such variation in physical properties of soil, particularly, bulk density and penetration resistance but maximum water holding capacity of soil differed significantly with different farming systems. The higher organic carbon content of 0.85 per cent was recorded due to 100 per cent substitution of N to paddy crop through organics. Available N (228 kg/ha-1) was higher in treatment containing complete organic farming treatment whereas higher available P and K (55.87 & 688.4 kg/ha-1 ) in treatment receiving 100 per cent N through in-organics along with FYM @ 7 t/ha. The DTPA extractable micronutrients Fe, Mn, Zn and Cu were significantly higher in treatment consisting of 100 per cent organics (7.4, 4.43, 0.73 and 0.56 ppm, respectively).


Keywords: Organics, Long term effect, Physical and chemical property of soil
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How to cite this article:

Praveen Karikatti, S. N. Bhat, S. R. Balanagoudar, B. G. Mastanareddy, H. Veeresh and Satyanarayana Rao. 2020. Long term effect of Organic, Integrated and Inorganic Nutrient Management Practises on Soil Properties in a Vertisol.Int.J.Curr.Microbiol.App.Sci. 9(1): 2317-2326. doi: https://doi.org/10.20546/ijcmas.2020.901.263