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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
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Index Copernicus ICV 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2018.7(12): 2713-2724
DOI: https://doi.org/10.20546/ijcmas.2018.712.309


Irrigation and Fertilizer Management in Cowpea under Zero Tilled Condition of South Konkan Coastal Zone of Maharashtra
V.A. Rajemahadik*, V.N. Shetye, V.G. Chavan, S.A. Chavan and U.V. Mahadkar
1Department of Agronomy, College of Agriculture, Dapoli, DBSKKV, Dapoli,Maharashtra, India
*Corresponding author
Abstract:

A field experiment was conducted for three consecutive years commencing from 2011-12 to 2013-14 at Agronomy farm, College of Agriculture, Dapoli Dist. Ratnagiri, Maharashtra, India to study the Effect of irrigation and levels of fertilizer application on zero tilled cowpea (Vigna unguiculata L.). The experiment was laid out in a split plot design with three replications. The main plot treatments were three irrigation levels, viz., no irrigation (I0), one irrigation at branching (I1) and two irrigations at branching and pod filling stage (I2). The sub plot treatments comprised six fertilizer levels viz., no fertilizer (F0), 25% RDF below seed placement (F1), 50% RDF below seed placement (F2), 75% RDF below seed placement (F3), 100% RDF below seed placement (F4) and 100% RDF through line application (F5). Thus, there were in all 18 treatment combinations. The gross plot size was 4.2 m x 3.3 m and net plot size was 3.6 m x 3 m, respectively. The soil of the experimental plot was uniform, leveled and well drained. It was sandy clay loam in texture, medium in available nitrogen (298.20 kg ha-1), low in available phosphorus (11.80 kg ha-1), moderately high in available potassium (249.35 kg ha-1), medium in organic carbon (0.95%) and slightly acidic in reaction (pH 5.8). Results revealed that application of two irrigations (at branching and pod filling stage) recorded significantly higher growth as well as yield attributes resulting in higher grain and stover yield followed by treatment in which one irrigation (at branching) and control treatment. Application of 100% RDF below seed placement recorded significantly higher growth as well as yield attributes resulting in higher grain and stover yield followed by 100% RDF through line application and 75% RDF below seed placement over rest of the treatments. In respect of economics, it was observed that the treatment combinations I2F4 (two irrigations at branching and pod filling stage + 100% RDF below seed placement) has given highest net returns and B: C ratio.


Keywords: Cowpea, Zero tillage, Fertilizer
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How to cite this article:

Rajemahadik, V.A., V.N. Shetye, V.G. Chavan, S.A. Chavan and Mahadkar, U.V. 2018. Irrigation and Fertilizer Management in Cowpea under Zero Tilled Condition of South Konkan Coastal Zone of Maharashtra.Int.J.Curr.Microbiol.App.Sci. 7(12): 2713-2724. doi: https://doi.org/10.20546/ijcmas.2018.712.309