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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
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 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2019.8(6): 556-563
DOI: https://doi.org/10.20546/ijcmas.2019.806.065


Conservation of Soil Moisture and Sustenance of Yield in Late Sown toria in Sali Rice Fallows through Moisture Conservation and INM Practices
Nitumoni Mahanta1*, K. Kurmi2 and J.C. Das3
Department of Agronomy, Assam Agricultural University, Jorhat, Assam 785013, India
*Corresponding author
Abstract:

A field experiment was conducted during rabi seasons of 2016-17 and 2017-18 at the Instructional-cum-Research (ICR) Farm, Assam agricultural university, Jorhat, India to evaluate the effect of tillage, mulching and integrated nutrient management practices on soil moisture conservation and yield of late sown toria after harvest of winter rice. The experiment was laid out in a split-plot design with three replications. The main-plot treatments comprised of two tillage practices (P1: conventional tillage and P2: reduced tillage) and two mulching practices (M1: No mulching and M2: mulching with paddy straw) and the sub-plot treatments comprised of four nutrient management practices viz., N1:100 % RDF (Recommended Dose of Fertilizer), N2: 50 % RDN (Recommended Dose of Nitrogen) through chemical fertilizer + 50% N through FYM, N3: 50 % RDN through chemical fertilizer + 50% N through Vermicompost and N4: 50 % RDN through chemical fertilizer + 50% N through Enriched Compost. The data of two years experiment revealed that between the tillage treatments, reduced tillage practice recorded the higher values of soil moisture contents at sowing, flowering, siliqua development and harvesting stages along with the growth and yield attributing characters as well as the seed and stover yield. The reduced tillage (P2) recorded significantly higher seed yield (9.02 % and 7.65 % higher) and stover yield (6.96 % and 6.44 % higher) than conventional tillage (P1). Similarly, mulching with paddy straw (M2) also produced significantly higher soil moisture contents during the different growth stages, growth and yield attributing characters, seed yield (12.22 % and 10.26 % higher) and stover yield (9.96 % and 9.79 % higher) of the crop. Among the nutrient management practices, 50% of RDN through chemical fertilizer + 50% N through FYM (N2) brought the significantly highest values of soil moisture content at harvest in 0-15 cm soil depth during the year 2016-17 along with growth and yield attributing characters, seed yield and stover yield. The crop brought highest net return (Rs.25282/ha) and benefit-cost ratio (2.40) when it was grown under reduced tillage (P2) combined with paddy straw mulching (M2) and fertilized with 50 % of recommended N through chemical fertilizer and 50 % N through FYM (N2).


Keywords: Moisture conservation, Reduced tillage, INM, Sali rice, siliqua, FYM
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How to cite this article:

Nitumoni Mahanta, K. Kurmi and Das, J.C. 2019. Conservation of Soil Moisture and Sustenance of Yield in Late Sown toria in Sali Rice Fallows through Moisture Conservation and INM Practices.Int.J.Curr.Microbiol.App.Sci. 8(6): 556-563. doi: https://doi.org/10.20546/ijcmas.2019.806.065