EFFECT OF IRRIGATION AND NITROGEN FERTILIZER ON AGRONOMICAL AND PHYSIOLOGICAL TRAITS OF TWO CANOLA (BRASSICA NAPUS L.) CULTIVARS

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DANESHVAR M.A.; TAHMASBI SARVESTANI Z.A.A.; MODARES SANAVI S.A.M.; SHIRANIRAD AMIR HOSSEIN

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Journal: Journal of Agricultural Sciences and Natural Resources Year:2008 | Volume:15 | Issue:4 Page(s): 56-68

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Title

EFFECT OF IRRIGATION AND NITROGEN FERTILIZER ON AGRONOMICAL AND PHYSIOLOGICAL TRAITS OF TWO CANOLA (BRASSICA NAPUS L.) CULTIVARS

Author(s)

DANESHVAR M.A. | TAHMASBI SARVESTANI Z.A.A. | MODARES SANAVI S.A.M. | SHIRANIRAD AMIR HOSSEIN | Issue Writer Certificate

Keywords

IRRIGATIONQ2

NITROGENQ2

CANOLAQ3

CULTIVARQ3

SEED AND OIL YIELDQ3

Abstract

In order to investigate the effect of IRRIGATION and NITROGEN fertilizer on agronomical and physiological traits of two CANOLA CULTIVARs, an experiment was established in randomized complete block design as split-plot factorial arrangement with four replications in 2005-2006 at Agricultural Research Station of Khorramabad Iran. IRRIGATION was as main-plot factor consisted of four levels 60, 90, 120 and 150 based on accumulative evaporation from class A evaporation pan (abbreviated as I60, I90, I120 and I150). Sub-plot factors were included NITROGEN fertilizer in four levels 0, 70, 140 and 210 kg ha-1 (abbreviated as N0, N70, N140 and N210) and two CULTIVARs, Zarfam (V1) and SLM 046 (V2). According to simple analysis results, IRRIGATION and IRRIGATION x CULTIVAR interaction had significant (P<0.05) effects on Thousand Seed Weight (TSW) in the 2006. At both I60 and I120 treatments, Zarfam showed higher TSW compared with SLM046.As NITROGEN rate increased, and Oil Yield (OY) increased in the 2006 significantly (P<0.05).The IRRIGATION x NITROGEN and IRRIGATION x CULTIVAR interactions were significant on OY in the 2006 at P<0.05 and P<0.01 Level, respectively. Zarfam had a higher TSW and Oil Percentage (OP) in both years, but on basis OY was superior Zarfam in the 2005 and SLM046 in the 2006. The IRRIGATION x NITROGEN CULTIVAR interaction had a significant effect on OP in both 2005 (P<0.05) and the 2006 (P<0.01) years. This interaction showed that in both CULTIVARs in every IRRIGATION level, the highest OP was obtained from no NITROGEN application and OP decreased with NITROGEN application. According to the results of combined analysis, both Water Use Efficiency (WUE) and Dry Matter Remobilization Efficiency (DMRE) were increased by decreasing water supply in I90 to I150 treatments. N0 and N210 treatments resulted in the lowest WUE and DMRE, respectively. Considering all traits, the first year of experiment was better than second year. The IRRIGATION x CULTIVAR interaction had a significant (P<0.01) effect on Seed Yield and WUE. Zarfam had more adaptation to water-limited conditions. Generally, I150 N70 V1 combination is recommended in the study region due to appropriate performance in oil production.

Cites

STUDY AGRONOMIC RESPONSE OF CANOLA CULTIVAR OKAPI TO THE APPLICATION OF NITROGEN AND BIO-FERTILIZERS

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APA: Copy

DANESHVAR, M.A., TAHMASBI SARVESTANI, Z.A.A., MODARES SANAVI, S.A.M., & SHIRANIRAD, AMIR HOSSEIN. (2008). EFFECT OF IRRIGATION AND NITROGEN FERTILIZER ON AGRONOMICAL AND PHYSIOLOGICAL TRAITS OF TWO CANOLA (BRASSICA NAPUS L.) CULTIVARS. JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, 15(4), 56-68. SID. https://sid.ir/paper/8902/en

Vancouver: Copy

DANESHVAR M.A., TAHMASBI SARVESTANI Z.A.A., MODARES SANAVI S.A.M., SHIRANIRAD AMIR HOSSEIN. EFFECT OF IRRIGATION AND NITROGEN FERTILIZER ON AGRONOMICAL AND PHYSIOLOGICAL TRAITS OF TWO CANOLA (BRASSICA NAPUS L.) CULTIVARS. JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES[Internet]. 2008;15(4):56-68. Available from: https://sid.ir/paper/8902/en

IEEE: Copy

M.A. DANESHVAR, Z.A.A. TAHMASBI SARVESTANI, S.A.M. MODARES SANAVI, and AMIR HOSSEIN SHIRANIRAD, “EFFECT OF IRRIGATION AND NITROGEN FERTILIZER ON AGRONOMICAL AND PHYSIOLOGICAL TRAITS OF TWO CANOLA (BRASSICA NAPUS L.) CULTIVARS,” JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, vol. 15, no. 4, pp. 56–68, 2008, [Online]. Available: https://sid.ir/paper/8902/en

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