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Study on weed dynamics in wheat under long term FYM and fertilizer nitrogen application in soil

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Title Study on weed dynamics in wheat under long term FYM and fertilizer nitrogen application in soil
 
Creator Kavinder
 
Contributor Malik, Yash Pal Singh
 
Subject Weeds, Farmyard manure, Wheats, Nitrogen, Yields, Crops, Grain, Fertilizers, Diseases, Control methods
 
Description A field experiment entitled “Study on weed dynamics in wheat under long term FYM and
fertilizer nitrogen application in soil” was conducted during rabi season of 2014-15 at Soil Science
Research Farm of CCS Haryana Agricultural University, Hisar. The experiment consisting a
combination of two level of FYM (0, 15 t/ha) and three mode of application (kharif, rabi and both
kharif and rabi) in main plots whereas, two level of nitrogen (0 and 120 kg/ha) and two weed control
treatment (weed free and weedy check) in sub plot was laid out in split-plot design with three
replications. Based on the research investigation, it was observed that highest values of crop growth
parameters like plant population, LAI and plant height were recorded under the application of FYM 15
t/ha in both the seasons which were significantly superior to FYM 0 t/ha (control) while statistically at
par with FYM 15 t/ha applied either in rabi or in kharif. Crop dry matter accumulation, number of
tillers/m
2
, yield attributing characters, wheat yield (grain yield, straw yield and biological yield),
nutrient uptake by crop were significantly higher where FYM 15 t/ha was applied in both rabi and
kharif season as compared to addition of FYM 15 t/ha either in rabi or kharif and control. Similarly,
application of 120 kg N/ha significantly increased growth parameter, yield and yield attributes as
compared to treatment where no nitrogen was applied. Application of FYM 15 t/ha along with 120 kg
N/ha also significantly improved the growth and yield of wheat. The density of A. arvensis and M.
Indica decreased with increasing fertility level having highest number of these weeds under control
treatments, whereas, density of C. didymus, R. dentatus and miscellaneous weeds, total dry matter of
weeds along with uptake and content of NPK in weeds increased with increasing fertility level having
highest values of these with application of FYM 15 t/ha along with 120 kg N/ha. Gross returns, net
returns and B: C were maximum under application of 15 t/ha in both rabi and kharif season along with
120 kg N/ha and weed free treatment. The combined application of FYM 15 t/ha in both rabi and
kharif season along with 120 kg N/ha and weed free treatment gave significantly higher value of
growth and yields of wheat and its economic returns.
 
Date 2016-10-26T11:49:40Z
2016-10-26T11:49:40Z
2016
 
Type Thesis
 
Identifier http://krishikosh.egranth.ac.in/handle/1/82089
 
Language en
 
Format application/pdf
 
Publisher CCSHAU