再生水灌溉对黄瓜和西红柿养分元素分布特征及果实品质的影响

应用生态学报 ›› 2011, Vol. 22 ›› Issue (02): 395-401.

再生水灌溉对黄瓜和西红柿养分元素分布特征及果实品质的影响

薛彦东1,杨培岭1**,任树梅1,刘洪禄2,吴文勇2,苏艳平1,方延旭1

1中国农业大学水利与土木工程学院, 北京 100083；2北京市水利科学研究所, 北京 100044

出版日期:2011-02-18 发布日期:2011-02-18

Effects of irrigation with treated wastewater on nutrient distribution in cucumber and tomato plants and their fruit quality.

XUE Yan-dong1, YANG Pei-ling1, REN Shu-mei1, LIU Hong-lu2, WU Wen-yong2, SU Yan-ping1, FANG Yan-xu1

1College of Water Conservancy &Civil Engineering, China Agricultural University, Beijing 100083, China|2Beijing Hydraulic Research Institute, Beijing 100044, China

Online:2011-02-18 Published:2011-02-18

摘要/Abstract

摘要： 通过田间试验，研究再生水不同灌溉处理对黄瓜、西红柿植株各部位养分元素的分布特征及果实品质的影响.结果表明：再生水灌溉对西红柿的生长发育有促进作用，对黄瓜的生长发育有一定的抑制作用.再生水灌溉后，氮具有向植株地上部分运输的特征；钾易于在黄瓜叶片中富集，不易于在西红柿根部富集；钠主要富集在根系中，叶片中的浓度较低，不会对作物造成伤害；对各部位Ca²⁺、Mg²⁺、Cl^-的分配没有显著影响.再生水灌溉对黄瓜、西红柿品质无显著影响，果实中硝态氮浓度分别增加了5.3%和32.9%，但均低于国家标准限值.

关键词: 再生水灌溉, 黄瓜, 西红柿, 养分元素, 品质

Abstract: A field experiment was conducted to investigate the effects of irrigation with treated wastewater on the nutrient distribution in cucumber and tomato plants and their fruit quality. Irrigation with treated wastewater promoted tomato growth significantly, but had definite inhibition effect on cucumber growth. After the irrigation with treated wastewater, the nitrogen in plants had the characteristics of upward translocation, potassium was easily to be accumulated in cucumber leaf but not accumulated in tomato root, and sodium was mostly accumulated in root but less enriched in leaf, not giving damage to the plants. No significant effects were observed on the distribution of calcium, magnesium, and chlorine in plants. Under the irrigation with treated wastewater, the overall quality of cucumber and tomato fruits was less affected. The nitrate concentration in cucumber and tomato fruits was increased by 5.3% and 32.9%,respectively, but still lower than the state food safety standard of China.

Key words: irrigation with treated wastewater, cucumber, tomato, nutrient element, quality

薛彦东,杨培岭,任树梅,刘洪禄,吴文勇,苏艳平,方延旭. 再生水灌溉对黄瓜和西红柿养分元素分布特征及果实品质的影响[J]. 应用生态学报, 2011, 22(02): 395-401.

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