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Asian Journal of Plant Sciences
Year: 2003  |  Volume: 2  |  Issue: 11  |  Page No.: 861 - 868

Improving Soil Physical Properties and its Effect on Acacia tortilis Seedlings Growth Under Field Conditions

Abdel-Raouf, A. Moustafa and Samira R. Mansour    

Abstract: The present study aimed to establish Acacia tortilis seedlings with a minor amount of water through improving the soil physical properties by adding different soil conditioners during the early growth stages of Acacia. Three soil conditioners were added to the soil holes in the field before transplanting; gel, organic matter and a mixture of both. Four hundred Acacia tortilis seedlings at the same age and height were transplanted in the field on different treatments and many vegetative parameters were used to measure the growth rate of the seedlings. These parameters included shoot height, number of compound leaves, vitality, water content of both shoot and root system, number of lateral roots and both length and width of the root system. Results showed that seedlings transplanted on soil enriched with gel produced the highest values of leaflets, shoot height, vitality, width of root and water content of both shoot and root system and the lowest values in root length. While the mortality rate were very low for the seedlings cultivated on gel-enriched soil, it was the highest for seedlings cultivated on the organic matter-enriched soil and soil enriched with mixture of both gel and organic matter.

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