EFFECT OF OPTIMAL NITROGEN APPLICATION ON WATER USE EFFICIENCY OF RAIN AND RAINFED WHEAT YIELD UNDER DIFFERENT MOISTURE CONDITIONS

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SEDRI M.H.; GOLCHIN A.; FEIZIASL V.; SIOSEH MARDEH A.

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Journal: IRANIAN JOURNAL OF DRYLAND AGRICULTURE Year:2016 | Volume:5 | Issue:1 Page(s): 63-85

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Title

EFFECT OF OPTIMAL NITROGEN APPLICATION ON WATER USE EFFICIENCY OF RAIN AND RAINFED WHEAT YIELD UNDER DIFFERENT MOISTURE CONDITIONS

Author(s)

SEDRI M.H. | GOLCHIN A. | FEIZIASL V. | SIOSEH MARDEH A. | Issue Writer Certificate

Keywords

NITROGENQ2

SUPPLEMENTAL IRRIGATIONQ3

RAINFED WHEATQ3

Abstract

In order to study the effects of NITROGEN on grain yield of RAINFED WHEAT, NITROGEN agronomic efficiency (NAE) and rainfall use efficiency (RUE), two field experiments under different moisture conditions (rainfed and SUPPLEMENTAL IRRIGATION) were conducted in Kurdistan province in 2012-2014 growing seasons. The treatments comprised of five NITROGEN rates (0, 30, 60, 90 and 120 kgha-1) as subplots, and three NITROGEN application times as main plots (total in the fall, 2.3 in the fall+1.3 in the spring, and 2.3 in the fall+1.3 in the spring) with three replications as split-plot design in randomized complete block design. Under rainfed moisture conditions, application of 30, 60, 90 and 120 kg N.ha-1 significantly increased grain yield 478, 961, 1086 and 850 kg.ha-1, respectively. By increasing NITROGEN application, WUE was increased significantly (p<0.05) and then reached to maximum (10.3 kg.mm-1.ha-1) in N90. Under SUPPLEMENTAL IRRIGATION at the heading and two weeks after heading stages, application of 30, 60, 90 and 120 kg N.ha-1 significantly increased grain yield 849, 1357, 1540 and 1790 kg.ha-1, respectively. Also, N90 treatment had the highest grain yield, NAE and RUE. Meanwhile, N60 application either total in the fall or splitting had the same effects on grain yield, grain protein content and NAE and RUE.

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APA: Copy

SEDRI, M.H., GOLCHIN, A., FEIZIASL, V., & SIOSEH MARDEH, A.. (2016). EFFECT OF OPTIMAL NITROGEN APPLICATION ON WATER USE EFFICIENCY OF RAIN AND RAINFED WHEAT YIELD UNDER DIFFERENT MOISTURE CONDITIONS. IRANIAN JOURNAL OF DRYLAND AGRICULTURE, 5(1), 63-85. SID. https://sid.ir/paper/262064/en

Vancouver: Copy

SEDRI M.H., GOLCHIN A., FEIZIASL V., SIOSEH MARDEH A.. EFFECT OF OPTIMAL NITROGEN APPLICATION ON WATER USE EFFICIENCY OF RAIN AND RAINFED WHEAT YIELD UNDER DIFFERENT MOISTURE CONDITIONS. IRANIAN JOURNAL OF DRYLAND AGRICULTURE[Internet]. 2016;5(1):63-85. Available from: https://sid.ir/paper/262064/en

IEEE: Copy

M.H. SEDRI, A. GOLCHIN, V. FEIZIASL, and A. SIOSEH MARDEH, “EFFECT OF OPTIMAL NITROGEN APPLICATION ON WATER USE EFFICIENCY OF RAIN AND RAINFED WHEAT YIELD UNDER DIFFERENT MOISTURE CONDITIONS,” IRANIAN JOURNAL OF DRYLAND AGRICULTURE, vol. 5, no. 1, pp. 63–85, 2016, [Online]. Available: https://sid.ir/paper/262064/en

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