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Performance of wheat under different planting methods with varied row spacing and weed management practices

KrishiKosh

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Title Performance of wheat under different planting methods with varied row spacing and weed management practices
 
Creator Navish Kumar
 
Contributor Hooda, Virender Singh
 
Subject Planting, Spacing, Nitrogen, Grain, Yields, Crops, Seasons, Developmental stages, Sowing, Harvesting
 
Description A field experiment entitled “Performance of wheat under different planting methods with varied row
spacing and weed management practices” was conducted during rabi season of 2013-14 at Agronomy Research
Area of CCS Haryana Agricultural University, Hisar. The experiment comprised of six planting methods viz. drill
sowing at 18 cm and 20 cm row spacing under zero tillage (ZT) and conventional tillage (CT) and bed planting
with two and three rows of wheat in main plot and five weed control treatments viz. pinoxaden (50g/ha) at 35
DAS, carfentrazone + metsulfuron (RM) (25g/ha) at 35 DAS, pinoxaden + [carfentrazone + metsulfuron (RM)]
(50 + 25 g/ha) at 35 DAS, weed free and weedy check in sub plots. The experiment was laid out in split-plot
design with three replications. Based on research investigation it was observed that from 60 DAS to crop harvest,
the density and dry matter of weeds increased with increasing row spacing from 18 cm (drill sowing both in ZT
and CT) to 35 cm (bed planting with two rows). During this period, minimum density and dry matter of weeds
were observed in zero tillage at 18 cm row spacing and maximum were observed in bed planting with two row of
wheat. The density and dry matter of weeds was more under FIRBS followed by drill sowing in CT and lowest in
drill sowing in ZT. Planting methods had no significant effect on plant height, whereas, dry matter accumulation
and LAI were significantly higher under zero tillage at 18 cm row spacing as compared to bed planting with two
rows of wheat. Zero tillage at 18 cm row spacing produced significantly higher tillers, whereas, bed planting with
two rows of wheat had significantly longer spike length and 1000 grain weight. Significantly lower grain, straw
and biological yield of wheat was recorded in bed planting with two rows of wheat as compared to all other tillage
treatments which remained at par with each other. Different planting methods had no significant effect on NPK
content (%) of weeds in wheat crop but significantly higher uptake of NPK by weeds was recorded under bed
planting with two rows of wheat as compared to all other planting methods in which NPK uptake remained at par.
Gross returns, net returns and B: C were maximum under zero tillage at 18 cm row spacing. Combined application
of pinoxaden + [carfentrazone + metsulfuron (RM)] (50 + 25 g)/ha at 35 DAS efficiently controlled grassy as well
as broad leaved weeds with WCE of 93.2 and 95.9 per cent, respectively. However, alone application of pinoxaden
(50g/ha) and carfentrazone + metsulfuron (RM) 25g/ha controlled only grassy and broad leaved weeds,
respectively. The combined application of pinoxaden + [carfentrazone + metsulfuron (RM)] (50 + 25 g)/ha at 35
DAS gave significantly higher value of growth parameters, yield attributes, yields, nutrient uptake and economic
returns by wheat and lower NPK uptake by weeds as compared to weedy check but was at par with weed free,
however, these parameters under alone application of pinoxaden (50 g/ha) and carfentrazone + metsulfuron (RM)
(25 g/ha) at 35 DAS were at par with each other but were significantly higher over weedy check.
 
Date 2016-10-07T10:56:23Z
2016-10-07T10:56:23Z
2015
 
Type Thesis
 
Identifier http://krishikosh.egranth.ac.in/handle/1/80221
 
Language en
 
Format application/pdf
 
Publisher CCSHAU