The Effects of Different Irrigation Regimes and N Fertilizer on Yield, Yield Components and the Content of Micronutrients in Brown and White Rice (cv. Hashemi and Gilaneh)

Due to the limit of water availability in rice fields, alternate wetting and drying irrigation are used instead of continuous submergence to reduce water consumption in rice fields. Therefore, this study was conducted to evaluate the effects of different irrigation regimes and N fertilizer rates on...

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Autores principales:	Sajad Eisapour Nakhjiri, Majid Ashouri, Seyyed Mostafa Sadeghi, Naser Mohammadian Roushan, Mojtaba Rezaei
Formato:	article
Lenguaje:	FA
Publicado:	Islamic Azad University, Tabriz Branch 2021
Materias:	rice؛ n fertilizer؛ content of cu zn fe and mn in seed؛ water stress Agriculture S Agriculture (General) S1-972
Acceso en línea:	https://doaj.org/article/21eb7390b897473f986b191636d1acea
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spelling	oai:doaj.org-article:21eb7390b897473f986b191636d1acea2021-11-09T06:01:55ZThe Effects of Different Irrigation Regimes and N Fertilizer on Yield, Yield Components and the Content of Micronutrients in Brown and White Rice (cv. Hashemi and Gilaneh)2538-18222476-731X10.30495/jcep.2021.683382https://doaj.org/article/21eb7390b897473f986b191636d1acea2021-06-01T00:00:00Zhttp://jcep.iaut.ac.ir/article_683382_2ceaa03eeb5b17c52302c7596dde4ad3.pdfhttps://doaj.org/toc/2538-1822https://doaj.org/toc/2476-731XDue to the limit of water availability in rice fields, alternate wetting and drying irrigation are used instead of continuous submergence to reduce water consumption in rice fields. Therefore, this study was conducted to evaluate the effects of different irrigation regimes and N fertilizer rates on yield, and the content of micronutrients in brown and white rice at Rashat during cropping seasons of 2016-2017 and 2017-2018. Experiment was arranged in split plot based on complete randomized block design with 3 replications in which water regimes continuous submergence (I1), 7 (I2) and 15 (I3) day interval irrigation were asseigned as main factor and nitrogen fertilizer levels (50 (N1), 75 (N2), and 100 (N3) kg.ha-1) as sub factor, and cultivars, Gilanh (C1) and Hashemi (C2) as sub sub factor. Results showed that the effect of year on yield and number of panicle per m2 was significant. The interaction of different irrigation treatments and N fertilizer and cultivar on the number of panicle per m2 in 2017, yield in 2017 and 2018, and micronutrient content were significant. Increasing the irrigation intervals decreased number of panicle per m2, number of seed per panicle, weight of 1000 grain, and yield, while the consumption of 75 and 100 kg.ha-1 of nitrogen fertilizer increased these traits in all three irrigation treatments compared to the level of 50 kg.ha-1 of nitrogen fertilizer. Gilaneh in all irrigation treatments showed higher yield, number of panicle per m2, and number of seed in panicle. Also, increasing of the irrigation intervals increased the content of micronutrients in brown and white rice seeds. The consumption of 75 and 100 kg.ha-1 of nitrogen fertilizer increased these traits as compared to the other levels of nitrogen fertilizers. The highest content of Zn, Cu, Fe, and Mn was observed in brown and white rice at irrigation interval at 14 days and 100 kg.ha-1 nitrogen fertilizer application. The consumption of 100 kg.ha-1 of nitrogen fertilizer increased the quantitative and qualitative grain yield of both cultivars as compared to the other two levels of nitrogen fertilizer and to irrigation regimes. Proper level of fertilizer would compensate the adverse effects of increasing irrigation intervals.Sajad Eisapour NakhjiriMajid AshouriSeyyed Mostafa SadeghiNaser Mohammadian RoushanMojtaba RezaeiIslamic Azad University, Tabriz Brancharticlerice؛ n fertilizer؛ content of cuznfe and mn in seed؛ water stressAgricultureSAgriculture (General)S1-972FAIkufīziyuluzhī-i Giyāhān-i Zirā̒ī, Vol 15, Iss 2 (58) تابستان, Pp 193-210 (2021)
institution	DOAJ
collection	DOAJ
language	FA
topic	rice؛ n fertilizer؛ content of cu zn fe and mn in seed؛ water stress Agriculture S Agriculture (General) S1-972
spellingShingle	rice؛ n fertilizer؛ content of cu zn fe and mn in seed؛ water stress Agriculture S Agriculture (General) S1-972 Sajad Eisapour Nakhjiri Majid Ashouri Seyyed Mostafa Sadeghi Naser Mohammadian Roushan Mojtaba Rezaei The Effects of Different Irrigation Regimes and N Fertilizer on Yield, Yield Components and the Content of Micronutrients in Brown and White Rice (cv. Hashemi and Gilaneh)
description	Due to the limit of water availability in rice fields, alternate wetting and drying irrigation are used instead of continuous submergence to reduce water consumption in rice fields. Therefore, this study was conducted to evaluate the effects of different irrigation regimes and N fertilizer rates on yield, and the content of micronutrients in brown and white rice at Rashat during cropping seasons of 2016-2017 and 2017-2018. Experiment was arranged in split plot based on complete randomized block design with 3 replications in which water regimes continuous submergence (I1), 7 (I2) and 15 (I3) day interval irrigation were asseigned as main factor and nitrogen fertilizer levels (50 (N1), 75 (N2), and 100 (N3) kg.ha-1) as sub factor, and cultivars, Gilanh (C1) and Hashemi (C2) as sub sub factor. Results showed that the effect of year on yield and number of panicle per m2 was significant. The interaction of different irrigation treatments and N fertilizer and cultivar on the number of panicle per m2 in 2017, yield in 2017 and 2018, and micronutrient content were significant. Increasing the irrigation intervals decreased number of panicle per m2, number of seed per panicle, weight of 1000 grain, and yield, while the consumption of 75 and 100 kg.ha-1 of nitrogen fertilizer increased these traits in all three irrigation treatments compared to the level of 50 kg.ha-1 of nitrogen fertilizer. Gilaneh in all irrigation treatments showed higher yield, number of panicle per m2, and number of seed in panicle. Also, increasing of the irrigation intervals increased the content of micronutrients in brown and white rice seeds. The consumption of 75 and 100 kg.ha-1 of nitrogen fertilizer increased these traits as compared to the other levels of nitrogen fertilizers. The highest content of Zn, Cu, Fe, and Mn was observed in brown and white rice at irrigation interval at 14 days and 100 kg.ha-1 nitrogen fertilizer application. The consumption of 100 kg.ha-1 of nitrogen fertilizer increased the quantitative and qualitative grain yield of both cultivars as compared to the other two levels of nitrogen fertilizer and to irrigation regimes. Proper level of fertilizer would compensate the adverse effects of increasing irrigation intervals.
format	article
author	Sajad Eisapour Nakhjiri Majid Ashouri Seyyed Mostafa Sadeghi Naser Mohammadian Roushan Mojtaba Rezaei
author_facet	Sajad Eisapour Nakhjiri Majid Ashouri Seyyed Mostafa Sadeghi Naser Mohammadian Roushan Mojtaba Rezaei
author_sort	Sajad Eisapour Nakhjiri
title	The Effects of Different Irrigation Regimes and N Fertilizer on Yield, Yield Components and the Content of Micronutrients in Brown and White Rice (cv. Hashemi and Gilaneh)
title_short	The Effects of Different Irrigation Regimes and N Fertilizer on Yield, Yield Components and the Content of Micronutrients in Brown and White Rice (cv. Hashemi and Gilaneh)
title_full	The Effects of Different Irrigation Regimes and N Fertilizer on Yield, Yield Components and the Content of Micronutrients in Brown and White Rice (cv. Hashemi and Gilaneh)
title_fullStr	The Effects of Different Irrigation Regimes and N Fertilizer on Yield, Yield Components and the Content of Micronutrients in Brown and White Rice (cv. Hashemi and Gilaneh)
title_full_unstemmed	The Effects of Different Irrigation Regimes and N Fertilizer on Yield, Yield Components and the Content of Micronutrients in Brown and White Rice (cv. Hashemi and Gilaneh)
title_sort	effects of different irrigation regimes and n fertilizer on yield, yield components and the content of micronutrients in brown and white rice (cv. hashemi and gilaneh)
publisher	Islamic Azad University, Tabriz Branch
publishDate	2021
url	https://doaj.org/article/21eb7390b897473f986b191636d1acea
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The Effects of Different Irrigation Regimes and N Fertilizer on Yield, Yield Components and the Content of Micronutrients in Brown and White Rice (cv. Hashemi and Gilaneh)

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