[1]孙霞,柴仲平,蒋平安,等.水氮耦合对苹果光合特性和果实品质的影响[J].水土保持研究,2010,17(06):271-274.
　SUN Xia,CHAI Zhong-ping,JIANG Ping-an,et al.Effects on the Photosynthetic Characteristics and the Quality of the Apple under the Water and Nitrogen Coupling[J].Research of Soil and Water Conservation,2010,17(06):271-274.
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水氮耦合对苹果光合特性和果实品质的影响

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 17 期数: 2010年06期 页码: 271-274 栏目: 出版日期: 2010-12-20
Title:
Effects on the Photosynthetic Characteristics and the Quality of the Apple under the Water and Nitrogen Coupling
作者:
孙霞, 柴仲平, 蒋平安, 方雷
新疆农业大学 草业与环境科学学院, 乌鲁木齐 830052
Author(s):
SUN Xia, CHAI Zhong-ping, JIANG Ping-an, FANG Lei
College of Grassland and Environmental Sciences, Xinjiang Agriculture University, Urumqi 830052, China
关键词:
苹果; 水肥耦合; 光合特性; 品质
Keywords:
apple; water and fertilizer coupling; photosynthetic characteristic; quality
分类号:
S661.1;S606
摘要:
通过不同灌水量和施氮处理，研究水氮耦合对红富士苹果光合特性及品质的影响。结果表明:红富士苹果的光合特性在不同水肥组合下的变化不同，其光合作用存在明显的“午休”现象。中水高肥和高水高肥的肥水组合对光合速率的保持有一定的作用。低水中肥的肥水组合的蒸腾速率最低，保水效果最好。中度水分供应条件下，施用较多的氮肥可以提高气孔导度利于光合的进行。肥水管理以灌溉量5250m3/hm2、氮肥施用量600kg/hm2方案能获得较高的品质效益。
Abstract:
The effects of different water-nitrogen on photosynthetic characteristics and the quality of red Fuji apples were studied. The results indicated that photosynthetic characteristics of the Fuji apples changed with the different water and fertility treatments and appeared obvious phenomenon of the midday depression. Middle water and high nitrogen, high water and nitrogen treatments can keep the photosynthetic with certain effect. The treatment of the low water and middle nitrogen combination was the lowest and had the best effect of the water conservation. Under the moderate water, applying more nitrogen can enhance Gs and benefit of photosynthesis. The best scheme of fertilizer and water management were 5250 m3/hm2 of irrigation water, 600 kg/hm2 of nitrogen, which could obtain higher quality performance.

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备注/Memo

收稿日期:2010-6-20
基金项目:自治区重大专项“果树营养特性与水肥耦合技术研究”（200731136-5）；新疆农业大学校前期课题（XJAV200910）；土壤学自治区重点学科项目；草环学院青年教师启动项目
作者简介:孙霞（1975- ），女，江苏建湖人，讲师，研究方向为植物营养。E-mail：sunxia1127@163.com
通讯作者:蒋平安（1965- ），男，四川乐至人，博士，教授，博士生导师，研究方向为土壤、土壤信息系统、植物营养。E-mail：jiang863863@sina.com

更新日期/Last Update: 1900-01-01