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Effects of irrigation and nitrogen fertilizer application on growth, yield and quality of different rice varieties in arid areas of Xinjiang

文献类型： 外文期刊

作者： Buhailiqem, Abliz 1 ; Zhu, Chunquan 2 ; Yuan, Jie 1 ; Zhang, Yanhong 1 ; Zhao, Zhiqiang 1 ; Wen, Xiaorong 3 ; Wang, Shimei 4 ; Kang, Mingtai 3 ; Tang, Fusen 3 ; Wang, Fengbin 3 ; Zhang, Junhua 2 ;

作者机构： 1.Xinjiang Acad Agr Sci, Inst Nucl Technol & Biotechnol, Urumqi 830091, Peoples R China

2.China Natl Rice Res Inst, State Key Lab Rice Biol, Hangzhou 310006, Zhejiang, Peoples R China

3.Xinjiang Acad Agr Sci, Rice Expt Stn Wensu, Wensu 843100, Peoples R China

4.Anhui Acad Agr Sci Rice Inst, Hefei 230031, Anhui, Peoples R China

5.Xinjiang Acad Agr Sci, Inst Grain Crops, Urumqi 830091, Peoples R China

关键词： Growth period; quality; rice; variety; water and nitrogen treatment; yield

期刊名称：PLANT GENETIC RESOURCES-CHARACTERIZATION AND UTILIZATION （ 影响因子：1.1； 五年影响因子：1.2 ）

ISSN： 1479-2621

年卷期： 2023 年

页码：

收录情况： SCI

摘要： Nitrogen fertilizer and water are two major nutrients required for the optimal production of rice worldwide. The utilization of different irrigation techniques to save water and fertigation to maximize rice production has been the main focus. A field experiment was conducted to explore the responses of 16 rice varieties to different irrigation and nitrogen fertilizer regimes. Two nitrogen treatments, 270 kg ha(-1) and 225 kg ha(-1) (urea N = 46.4%), and two irrigation regimes, 8.7 t ha(-1) and 5.22 t ha(-1), were applied three times. Plant height and the soil and plant analyser development (SPAD) values were measured throughout the growth period. The total yield and quality characteristics of the rice varieties were also determined. Based on the yield, the 16 rice varieties were divided into three groups: high yield (I), middle yield (II) and low yield (III) using cluster analysis. A positive correlation was found between the growth period and yield of these 16 rice varieties. In the water-deficient regime, the growth period of the 16 varieties was reduced by 1.68-2.93%. Furthermore, nitrogen- and water-deficient regimes had significant effects on the polishing rate, protein content and taste values of all varieties. At maturity stage under these regimes, plant height and chlorophyll SPAD values were decreased by 1.25-6.05% and 1.60-31.48%, respectively. Deficient nitrogen fertilization, along with appropriate irrigation, is an effective method for the efficient utilization of irrigation and fertilizer resources in rice-growing areas.

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