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Authors Sharif, F; Khan, AU
Author Full Name Sharif, Faiza; Khan, Amin U.
Title ALLEVIATION OF SALINITY TOLERANCE BY FERTILIZATION IN FOUR THORN FOREST SPECIES FOR THE RECLAMATION OF SALT-AFFECTED SITES
Source PAKISTAN JOURNAL OF BOTANY
Language English
Document Type Article
Keywords Plus FERTILITY INTERACTION; SOIL-SALINITY; NITROGEN; GROWTH; PHOSPHORUS; YIELD; IRRIGATION; MANAGEMENT; NUTRITION; SEEDLINGS
Abstract Salinity tolerance and the effect of salinity-fertility interaction on growth and dry matter production of four native thorn forest species viz., Salvadora oleoides Decne., Prosopis cineraria (L.) Druce., Capparis decidua (Forsk.) Edgew. and Tamarix aphylla (L.) Karsten) was assessed by conducting a pot experiment. Treatments included a combination of 5 levels of salinity (0.65, 5.8, 10.69, 20.71 and 30.4 mS cm(-1)) and two levels of fertility (control and with addition of 100 kg N ha(-1) and 60 kg P ha(-1)) using a factorial design with five replications. The results showed a negative linear relationship between gain in plant height, dry matter production and increasing salinity under both low and increased fertility treatments but the effect was more pronounced under low fertility. All plant characters decreased with increasing salinity levels and were enhanced with increasing fertility. All tree species seemed to be salt tolerant to varying degrees. ECe value at which dry matter production would be reduced to 50% as compared to un-fertilized control plants was highest for S. oleoides followed by P. cineraria, T. aphylla and C. decidua under low fertility and this sequence of decreasing salt tolerance was maintained when plants were supplemented by fertilizers. The interaction between salinity and fertility was significant for all plant parameters suggesting that addition of fertilizers can effectively be used as a restoration strategy to alleviate adverse effects of salinity and to support plant growth under saline conditions.
Author Address [Sharif, Faiza; Khan, Amin U.] Govt Coll Univ, Sustainable Dev Study Ctr, Lahore, Pakistan
Reprint Address Sharif, F (corresponding author), Govt Coll Univ, Sustainable Dev Study Ctr, Lahore, Pakistan.
E-mail Address faizagcu@yahoo.com
Times Cited 7
Total Times Cited Count (WoS, BCI, and CSCD) 9
Publisher PAKISTAN BOTANICAL SOC
Publisher City KARACHI
Publisher Address DEPT OF BOTANY UNIV KARACHI, 32 KARACHI, PAKISTAN
ISSN 0556-3321
29-Character Source Abbreviation PAK J BOT
ISO Source Abbreviation Pak. J. Bot.
Publication Date DEC
Year Published 2009
Volume 41
Issue 6
Beginning Page 2901
Ending Page 2915
Page Count 15
Web of Science Category Plant Sciences
Subject Category Plant Sciences
Document Delivery Number 586WT
Unique Article Identifier WOS:000276946500018
Plants associated with this reference

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