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Journal:   JOURNAL OF RESEARCH IN CROP SCIENCES   WINTER 2011 , Volume 3 , Number 10; Page(s) 117 To 131.
 
Paper: 

Effect Of Weed Control And Nitrogen Application At Different Stages On Corn Yield And It Components

 
 
Author(s):  Fozi N.*, Jafarzadeh N.
 
* KHOY BRANCH, ISLAMIC AZAD UNIVERSITY KHOY IRAN
 
Abstract: 
To evaluate the effects of nitrogen and methods of control on yield and its yield components of corn, an experiment was conducted in Urmia region during 2009 growing season. The experimental design for this study was factorial design based on C.R.B. design with 3 treatments. The treatments consisted of: Application of nitrogen fertilizer in four levels (0,100,150,200 kg N ha-1) and methods of weed control in four levels (without controling, pre-planting herbicide Alachlor, 2, 4-D herbicide and hand weeding). In this study the weight of the dry matter of broad and thin leaves of weed grass was considered in two stages. The results showed that nitrogen application rates and methods of weed control had significant effect on the amount of seeds, hundred seed weight, and grain yield in maize and harvest index. The highest grain yield and harvest index obtained from Alachlor herbicide and hand weeding with 200 kg N ha-1. All weed control levels with 200 kg N ha-1 fertilizer showed the highest yield index and the lowest one was observed on the one which had no control and no nitrogen fertilizer treatments. In The meantime, the lowest dry matter of weed was attained by hand weeding and the highest one in 200 kg N ha-1 and without control.
 
Keyword(s): CORN, HERBICIDE, NITROGEN, YIELD, WEED
 
 
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APA: Copy

FOZI, N., & JAFARZADEH, N. (2011). EFFECT OF WEED CONTROL AND NITROGEN APPLICATION AT DIFFERENT STAGES ON CORN YIELD AND IT COMPONENTS. JOURNAL OF RESEARCH IN CROP SCIENCES, 3(10), 117-131. https://www.sid.ir/en/journal/ViewPaper.aspx?id=265472



Vancouver: Copy

FOZI N., JAFARZADEH N.. EFFECT OF WEED CONTROL AND NITROGEN APPLICATION AT DIFFERENT STAGES ON CORN YIELD AND IT COMPONENTS. JOURNAL OF RESEARCH IN CROP SCIENCES. 2011 [cited 2022August20];3(10):117-131. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=265472



IEEE: Copy

FOZI, N., JAFARZADEH, N., 2011. EFFECT OF WEED CONTROL AND NITROGEN APPLICATION AT DIFFERENT STAGES ON CORN YIELD AND IT COMPONENTS. JOURNAL OF RESEARCH IN CROP SCIENCES, [online] 3(10), pp.117-131. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=265472.



 
 
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