|Table of Contents|

Relationship Between Water Requirement Rate and Environmental Factors of Watermelon in Plastic Shed(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2013年09期
Page:
42-46
Research Field:
Publishing date:

Info

Title:
Relationship Between Water Requirement Rate and Environmental Factors of Watermelon in Plastic Shed
Author(s):
REN Zi-liZHANG XianZHU Pan-panMO Yan-lingYANG Xiao-zhenZHANG NingLIU Xiao-huiZHENG Jun-xianYANG Rui-ping
College of Horticulture,Northwest Agiricultural and Forestry University,Yangling,Shaanxi 712100
Keywords:
plastic shedwatermelon (Citrullus lanatus)water requirement rateenvironmental factors
PACS:
S 651.275
DOI:
-
Abstract:
Taking ‘Nongkeda 5’ watermelon as material,the relationship between environmental factors and watermelon water requirement rate were studied.The results showed that the change of environmental factors over time in plastic sheds was fluctuant.Daily mean temperature,daytime mean temperature,nighttime mean temperature and daily mean pan evaporation were slowly rising with time,and a negative correlation was shown between daily mean humidity and illumination.Water requirement rate over time was fluctuant,and the peak appeared in the 20th,50th,80th day.The high correlation was found between environmental factors and water requirement rate.A very significant positive correlation between water requirement rate and daily mean temperature,daily mean illumination,daily mean pan evaporation was showed,and the correlation coefficients that respectively were 0.935,0.894 and 0.878.A very significant negative correlation between water requirement rate and daily mean humidity was also be found,and the correlation coefficient was -0.848.Six environmental factors were influenced and restricted each other,but daily mean temperature and daily mean illumination were the key factors that influenced watermelon water requirement rate.

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(该文作者还有刘晓辉、郑俊鶱、杨瑞平,工作单位均同第一作者。)


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Last Update: 2014-08-25