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不同灌水下限对温室茼蒿生长和产量的影响
引用本文:杨文斌,郝仲勇,王凤新,苏利茂,要晋峰,麻 军,胡佳林. 不同灌水下限对温室茼蒿生长和产量的影响[J]. 农业工程学报, 2011, 27(1): 94-98
作者姓名:杨文斌  郝仲勇  王凤新  苏利茂  要晋峰  麻 军  胡佳林
作者单位:1. 中国农业大学中国农业水问题研究中心,北京100083;2. 北京市水利科学研究所,北京100048;1. 中国农业大学中国农业水问题研究中心,北京100083;3. 延庆县水务局,北京102100;3. 延庆县水务局,北京102100;3. 延庆县水务局,北京102100;3. 延庆县水务局,北京102100
基金项目:北京市科技新星计划项目(2007B049)
摘    要:该文采用15 cm深处土水势为茼蒿的控制灌水下限,研究在模拟微喷条件下控制灌水下限对温室茼蒿生长和产量的影响。共设6个处理,灌水下限分别是-10 kPa(T1),-15 kPa(T2),-20 kPa(T3),-25 kPa(T4),-30 kPa(T5)和-40 kPa(T6)。结果表明,不同的灌水下限对茼蒿产量的影响显著,灌水下限为控制在-15 kPa是产量最高,分别比其他处理增加了0.5%,18.7%,62.6%,73.4%,71.7%,在整个生育期灌水量为195 mm,比与其产量相近的T1处理节水56.4%。T2处理的株高和生长速率在生长后期与T1无差异。灌水下限低于-25 kPa,水分亏缺严重,影响出苗,不利于茼蒿生长。以-15 kPa土水势作为控制灌水下限,有利于茼蒿生长,可以达到高产、节水的目的。

关 键 词:温室,灌溉,试验,茼蒿,产量,灌水量,灌水下限
收稿时间:2010-01-10
修稿时间:2010-12-03

Effect of different irrigation thresholds on growth and yield of garland chrysanthemum (Chrysanthemum coronarium L.) in greenhouse
Yang Wenbin,Hao Zhongyong,Wang Fengxin,Su Limao,Yao Jinfeng,Ma Jun and Hu Jialin. Effect of different irrigation thresholds on growth and yield of garland chrysanthemum (Chrysanthemum coronarium L.) in greenhouse[J]. Transactions of the Chinese Society of Agricultural Engineering, 2011, 27(1): 94-98
Authors:Yang Wenbin  Hao Zhongyong  Wang Fengxin  Su Limao  Yao Jinfeng  Ma Jun  Hu Jialin
Affiliation:Yang Wenbin1,Hao Zhongyong2,Wang Fengxin1,Su Limao3,Yao Jinfeng3,Ma Jun3,Hu Jialin3 (1. Center for Agricultural Water Research,China Agricultural University,Beijing 100083,China,2. Beijing Hydraulic Research Institute,Beijing 100048,3. Yanqing Water Resources Bureau,Beijing 102100,China)
Abstract:An experiment was conducted to study the effect of different irrigation thresholds on yield and growth of garland chrysanthemum under simulated micro-spray irrigation in greenhouse. The experiment included six treatments,which controlled soil water potential (SWP) at 15cm depth with -10 kPa (T1),-15 kPa (T2),-20 kPa (T3),-25 kPa (T4),-30 kPa (T5) and -40 kPa (T6),respectively. The results showed that effect of different irrigation threshold on the crop yield was significant. Treatment T2 had the highest yie...
Keywords:greenhouses   irrigation   experiments   garland chrysanthemum   yield   irrigation amount   irrigation threshold
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