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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 8, Issue:10, October, 2019

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.2019.8(10): 1626-1643
DOI: https://doi.org/10.20546/ijcmas.2019.810.190


Effect of Soybean [Glycine max (L.) Merrill] based Cropping Systems on Weed Dynamics and Productivity of Soybean and Subsequent Crops of the System
S. Gathiye and H. S. Kushwaha
Department of Agronomy, Mahatma Gandhi Chitrakoot Gramodaya Vishwa Vidyalaya, Chitrakoot, Satna (M.P.), India
*Corresponding author
Abstract:

A field experiment was carried out during kharif, rabi and zaid seasons of 2015-16 and 2016-17 to study the effect of soybean [Glycine max (L.) Merrill] based cropping systems on weed dynamics and productivity of soybean and subsequent crops of the system at the research farm of Krishi Vigyan Kendra, Dhar, M.P. Among the all 16 soybean based cropping systems under Kharif, in soybean Echinochloa crusgalli was the most dominating weed contributing 27.35 % of total weed intensity at most critical period (25 DAS) while Celosia argentea topped at harvest stage (28.9 %). During rabi, the relative density of weeds varied between different crops. Chenopodium album was found to be more serious weed almost in all rabi crops grown under different cropping systems. In rabi crops viz., wheat, chick pea, garlic, onion, potato and garden pea, the relative density of Chenopodium album was the most dominating 26.5, 26.75, 26.05, 28.35 %, respectively at 25 DAS but the relative density of Chenopodium album slightly changed as 24.6, 24.55, 21.05 and 21.70 %, respectively at maturity stage. During zaid season Onion and Garlic crops were grown. Cyprus rotundus contributed to 24.05 % of the total weed intensity at 25 DAS in both crops, but the values of relative changed as 26.60% at maturity stage. Both varieties of soybean (JS 95-60 and JS 93-05) recorded weed intensity ranged from 224.2 to 244.5/m2. During rabi season, the weed population was significantly minimum in Soybean (JS 95-60)-Potato (Kufri jyoti) - Onion (AFLR) i.e. 119.65 /m2 and during zaid season, Onion significantly allowed maximum infestation of weeds (120.5 to 121.35/m2). While comparing the total weed-intensity/m2 for entire crop- cycle of different crop-sequences, Soybean (JS 93-05) - Garlic (G-282) system had significantly minimum weed-intensification (356.40/m2). The weed biomass was ranged from 15.30 to 29.90 q/ha with soybean variety JS 95-60 and JS 93-05. Among all rabi crops, the weed biomass was maximum (9.45 q/ha) under Soybean (JS 95-60) - Onion (AFLR) cropping system whereas the crop sequences consisted with potato led to record significantly lesser weed biomass (5.35 q/ha). While considering the weed biomass of entire cropping system, Soybean (JS 93-05) - Potato (Kufri jyoti) - Onion (AFLR) significantly registered the highest value (28.90 q/ha).


Keywords: Soybean-based cropping systems, Weed dynamics, Soybean equivalent yield, Production efficiency

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How to cite this article:

Gathiye, G. S. and Kushwaha, H. S. 2019. Effect of Soybean [Glycine max (L.) Merrill] based Cropping Systems on Weed Dynamics and Productivity of Soybean and Subsequent Crops of the System.Int.J.Curr.Microbiol.App.Sci. 8(10): 1626-1643. doi: https://doi.org/10.20546/ijcmas.2019.810.190
Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.

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