Paper Information

Journal:   JOURNAL OF HORTICULTURE SCIENCE (AGRICULTURAL SCIENCES AND TECHNOLOGY)   2011 , Volume 25 , Number 2; Page(s) 170 To 177.
 
Paper: 

EVALUATION THE EFFECTS OF CYCLE IRRIGATION AND SUPER ABSORBENT ON QUALITATIVE CHARACTERISTICS OF LAWN

 
Author(s):  SHEIKHMORADI F.*, ARJI I., EMAEILI A., ABDOSI V.
 
* HORTICULTURAL DEPARTMENT, ISLAMIC AZAD UNIVERSITY SCIENCE AND RESEARCH TEHRAN UNIT
 
Abstract: 
Water deficit and consecutive droughts have lead to drought stress in most parts of the world recently. We need prepare a good program to use better available water. Different material can be used to increase water use efficiency. Super absorbent is one of the materials used around the world. These materials absorb water in the soil so that reserved water is usable by plant in the time of drought stress and they can reduce stress and lead to prevent yield loss. So that an experiment was conducted to evaluate effects of different super absorbent and irrigation cycles on lawn. A split plot experiment based on randomized block design with three replication was used so that irrigation cycles and super absorbent amounts used as main plots and subplots respectively. 4 irrigation periods (1, 2, 4 and 6 days) and 4 super absorbent amounts (0, 20, 25 and 30 g/m2) were used as experimental treatments. One day irrigation interval and zero super absorbent amounts were used as control.
Lawn water requirement calculate by evaporation from a pan class A. Results shown that super absorbent amount had significant effect at 1% and 5% level on shoot height, total chlorophyll and plant density but had significant effect on root fresh and dry weight, shoot fresh and dry weight, root developing. Rigidity, Elasticity and performance quality was higher for 30 g/m2 of super absorbent amount at one and two day's irrigation cycle interval in compare to other treatments. Experiment results showed that lawn performance was higher in 30 g/m2 of super absorbent amount at two days irrigation cycle than the others and had 50% water saving in compare to one day irrigation interval.
 
Keyword(s): IRRIGATION CYCLE, LAWN, QUALITATIVE CHARACTERISTICS, SUPER ABSORBENTS
 
References: 
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