WANG Wen-quan,ZHOU Ying,Ayidingbieke.Influence of Reclaimed Water Irrigation and Sludge Fertilizer on Seed Germination and Seedling Growth of Vegetables[J].Northern Horticulture,2013,37(22):181-184.
再生水灌溉及污泥施肥对蔬菜种子发芽及幼苗生长的影响
- Title:
- Influence of Reclaimed Water Irrigation and Sludge Fertilizer on Seed Germination and Seedling Growth of Vegetables
- 文章编号:
- 1001-0009(2013)22-0181-04
- Keywords:
- reclaimed water irrigation; sludge fertilizer; pakchoi; radish; seed germination; seedling growth
- 分类号:
- S 63
- 文献标志码:
- A
- 摘要:
- 以“四季小白菜”、“四季青萝卜”为试材，研究分析了再生水灌溉和污泥施肥对小白菜、萝卜种子发芽和幼苗生长的影响。结果表明：再生水灌溉有利于小白菜种子的发芽和地下部分生长和鲜重的增加；“再生水灌溉+污泥施肥”处理的小白菜比仅用“清水灌溉”处理的小白菜增重35.8%；用污泥施肥有利于萝卜种子的发芽和幼苗生长；“再生水灌溉+污泥施肥”处理的萝卜鲜重最大，比仅用“清水灌溉”的萝卜增重34.6%，而仅用“清水灌溉”的萝卜地下部分长度和鲜重均为最小；仅用“清水灌溉”的小白菜叶片总叶绿素含量最高，而丙二醛（MDA）含量最低；小白菜总叶绿素与MDA含量呈负相关（r=-0.7048）；萝卜叶片叶绿素与MDA含量相关性不显著，“清水灌溉”的萝卜总叶绿素含量最大，而“再生水灌溉+污泥施肥”处理的萝卜MDA含量最高。
- Abstract:
- Taking pakchoi and radish as material,the effects of reclaimed water irrigation and sludge fertilization on the seed germination rate and seedling growth of pakchoi and radish were analyzed.The results showed that the reclaimed water irrigation favored both germination of pakchoi seeds,growth of pakchoi underground part and increase of fresh weight.The biomass of pakchoi irrigated with reclaimed water+sludge fertilizer increased by 55.70% compared to the pakchoi only treated with clean water.Sludge fertilizer favored seeds germination and growth of radish.The biomass of radish irrigated with reclaimed water+sludge fertilizer increased by 52.98% compared to the radish only treated with clean water.The latter one had the shortest root length and the minimum weight.The total chlorophyll content of pakchoi irrigated with clean water was the highest,while the MDA content was the lowest.There was negative correlation between total chlorophyll content and MDA content of pakchoi (r=-0.7048),while there was no significant correlation between them in radish leaves.The chlorophyll content of radish irrigated with clean water was the highest,while the MDA content of radish irrigated with reclaimed water and fertilized with sludge was the highest.
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备注/Memo
第一作者简介：王文全（1968-），女，硕士，副教授，研究方向为环境监测与评价。E-mail:wwq6804@163.com.
基金项目：新疆维吾尔自治区自然基金资助项目（2011211A027）；
新疆维吾尔自治区土壤学重点学科资助项目。
收稿日期：2013-06-19