不同灌溉模式下氮肥水平对水稻生物学特性及水分利用效率的影响

干旱区研究 ›› 2012, Vol. 29 ›› Issue (1): 161-166.

不同灌溉模式下氮肥水平对水稻生物学特性及水分利用效率的影响

潘圣刚^1,2，黄胜奇¹，汪金平¹，展茗¹，蔡明历¹，曹凑贵¹，唐湘如²，黎国喜²

1. 华中农业大学作物栽培与生理生态研究中心，湖北武汉 430070
2. 华南农业大学农学院，广东广州 510642

收稿日期:2010-12-02 修回日期:2011-01-02 出版日期:2012-01-15 发布日期:2012-02-27
通讯作者: 曹凑贵. E-mail:ccgui@mail.hzau.edu.cn
作者简介:潘圣刚(1976-)，男，博士，讲师，主要从事稻田水分研究. E-mail:panshenggang@scau.edu.cn
基金资助:
国家科技支撑计划（2006BAD16B02）项目资助

Effects of Nitrogenous Fertilizer Application on Biological Properties and Water Use Efficiency of Rice under Different Water Regimes

PAN Sheng-gang^1,2，HUANG Sheng-qi¹，WANG Jin-ping¹，ZHAN Ming¹，CAI Ming-li¹， CAO Cou-gui¹，TANG Xiang-ru²，Guo Xi²

1. Center for Crop Cultivation and Physiology, Huazhong Agricultural University, Wuhan 430070, China
2. College of Agriculture, South China Agricultural University, Guangzhou 510642, China

Received:2010-12-02 Revised:2011-01-02 Online:2012-01-15 Published:2012-02-27

摘要/Abstract

摘要： 为了研究不同灌溉模式下氮肥水平对水稻生物学特性及水分利用效率的影响，以两优培九为材料，设计3种不同的灌溉模式（常规灌溉、干湿交替灌溉和厢沟灌溉，分别记作W1，W2，W3）和4种不同氮肥水平（0，90，180，270 kg/hm2，分别记作F0，F1，F2，F3）的大田试验。结果表明：与W1处理相比，W2和W3处理水稻灌浆结实期剑叶丙二醛（MDA）含量分别降低8.7％和9.4％。而且，水稻产量分别增加2.5％和9.1％，节约灌溉用水17.8％和17.6％，水分利用效率提高25.0％和32.5％。在相同的灌溉模式下，中等氮肥处理（180 kg/hm2）产量显著高于其他处理，根系伤流量比不施肥处理（F0）增加28.4％，剑叶丙二醛（MDA）含量降低12.4％。在本实验条件下，采用干湿交替的水分灌溉和厢沟灌溉模式，施氮量为180 kg/hm2的氮肥处理，是兼顾高产和水分高效利用的农艺措施。

关键词: 水稻, 灌溉模式, 氮肥, 生物学特性, 水分利用效率

Abstract: Effects of nitrogenous fertilizer management on the biological properties and water use efficiency of rice under different water regimes were studied using a rice cultivar in a field study. The cultivar was grown under traditional flooding irrigation (W1), wetting-drying alternative irrigation (W2) and bed-raised irrigation (W3) at four nitrogenous fertilizer application levels (0, 90, 180 and 270 kg/hm2, i.e. F0, F1, F2 and F3, respectively). Compare with W1, the MDA content in flag leaves at grain filling stage under W2 and W3 was decreased by 8.7% and 9.4%, rice yield was increased by 2.5% and 9.15, water consumption was decreased by 17.8% and 17.6%, and water use efficiency was increased by 25.0% and 32.5%, respectively. Under the same water regime, rice yield under F2 was significantly higher than that under other nitrogenous fertilizer application levels. Compared with the cultivation situation without applying nitrogenous fertilizer, root sap under F2 was increased by 28.4%, and the MDA content in flag leaves was decreased by 12.4%. Rice yield and water use efficiency under different treatments were also concerned.

Key words: rice, irrigation mode, nitrogenous fertilizer, biological property, water use efficiency

潘圣刚，黄胜奇，汪金平，展〓茗，蔡明历，曹凑贵，唐湘如，黎国喜. 不同灌溉模式下氮肥水平对水稻生物学特性及水分利用效率的影响[J]. 干旱区研究, 2012, 29(1): 161-166.

PAN Sheng-gang，HUANG Sheng-qi，WANG Jin-ping，ZHAN Ming，CAI Ming-li， CAO Cou-gui，TANG Xiang-ru，GuoXi. Effects of Nitrogenous Fertilizer Application on Biological Properties and Water Use Efficiency of Rice under Different Water Regimes[J]. , 2012, 29(1): 161-166.

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