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Paper Information

Journal:   PAJOUHESH-VA-SAZANDEGI   FALL 2008 , Volume 21 , Number 3 (80 IN NATURAL RESOURCES); Page(s) 75 To 82.
 
Paper: 

THE EFFECT OF DIFFERENT MOISTUER TREATMENTS ON WATER USE EFFICIENCY (WUE) IN HALOXYLON PLANT (HALOXYLON APHYLLUM)

 
 
Author(s):  RAD M.H.*, MIRHOSSINI DEHABADI S.R., MESHKAT M.A., SOLTANI M.
 
* AGRICULTURAL AND NATURAL RESOURCE RESEARCH CENTER OF YAZD PROVINCE
 
Abstract: 

For investigate the water use efficiency (WUE) in haloxylon (Haloxylon aphylum), design was carry out in four successive years (1999-2005) in Yazd shahidsadoge control desert research station and at near of manual plants. After establishment of plantlets moisture treatments including: 1- replenishment of total soil moisture depletion (SMD) up to FC point; 2- rechargement of 1/3 SMD and 3- without any irrigation of terward were applied in a CRD design with 3 replication. A control lysimeter was used for checking the SMD measurement. Requirement water for reach to enough moisture provide weekly and via weigh of lysimeters was accessible for plants. Imply at dry treatment next of plant complete establishment, irrigation was avoidance. For evaporation amount minimum of lysimeters surface, they were cover with fiberglass thin foil and one of lysimeters was use for counted of evaporation amount without plant. Sum of output water (Drain + Evaporation) was deducted from input water (Rainfall + Irrigation) and equipollent transpiration. Moisture treatment in during two of growth season and the end of experiment with remove and drying of shoot and root dry weights as well as shoot/root ratios of plants, and also water use efficiency (WUE) were measured. The results of this research suggest that among of root and shoot dry weight at 1% level of probability were affected of moisture treatment.

 
Keyword(s): HALOXYLON, LYSIMETER, WATER USE EFFICIENCY (WUE), SHOOT WEIGHT, ROOT WEIGHT
 
References: 
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