Determining Critical Nitrogen Concentration of Canola Leaf and Studying the Correlation between Yield, Yield Components, and Chlorophyll Index with Leaf Nitrogen Concentration

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SEILSEPOUR MOHSEN

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Journal: JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE) Year:2020 | Volume:22 | Issue:2 Page(s): 181-192

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Title

Determining Critical Nitrogen Concentration of Canola Leaf and Studying the Correlation between Yield, Yield Components, and Chlorophyll Index with Leaf Nitrogen Concentration

Author(s)

SEILSEPOUR MOHSEN | Issue Writer Certificate

Keywords

Dependent variableQ2

independent variableQ1

seed oil percentageQ2

silique numberQ1

1000 seed weightQ1

Abstract

In order to determine the critical nitrogen concentration of canola leaf and study the correlation of yield and yield components of this plant with leaf nitrogen concentration, thirty five farms, managed in the same way as Varamin plain and located in the dominant soil of the region (i. e., Varamin Type), have been selected during 2017-2018. Leaf samples are picked up from these farms at flowering stage, then to be prepared for the analysis. In the harvest season, all 35 fields are harvested and the mean grain yield is determined. Kate and Nelson's graphical method has determined the critical nitrogen concentration in dry leaves as 3% for 90% relative yield. There has been a significant correlation between the content of canola leaf nitrogen as inDependent variable (X) with other traits, including grain yield and yield components as dependent ones (Y) at the 35 studied farms. Results of the studies show that canola seed yield has been affected by leaf nitrogen content, which in canola leaves are significantly correlated with grain yield. This correlation is followed by a quadratic function with a coefficient of explanation of 0. 97. Also according to the results, the concentration of leaf nitrogen, causing the maximum grain yield, have been 4. 36%. Accordingly, nitrogen fertilizer application could increase grain yield in the fields with an amount less than this.

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APA: Copy

SEILSEPOUR, MOHSEN. (2020). Determining Critical Nitrogen Concentration of Canola Leaf and Studying the Correlation between Yield, Yield Components, and Chlorophyll Index with Leaf Nitrogen Concentration. JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE), 22(2 ), 181-192. SID. https://sid.ir/paper/209542/en

Vancouver: Copy

SEILSEPOUR MOHSEN. Determining Critical Nitrogen Concentration of Canola Leaf and Studying the Correlation between Yield, Yield Components, and Chlorophyll Index with Leaf Nitrogen Concentration. JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE)[Internet]. 2020;22(2 ):181-192. Available from: https://sid.ir/paper/209542/en

IEEE: Copy

MOHSEN SEILSEPOUR, “Determining Critical Nitrogen Concentration of Canola Leaf and Studying the Correlation between Yield, Yield Components, and Chlorophyll Index with Leaf Nitrogen Concentration,” JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE), vol. 22, no. 2 , pp. 181–192, 2020, [Online]. Available: https://sid.ir/paper/209542/en

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