EFFECT OF WETTING AND DRYING IN MEAN WEIGHT DIAMETER AND STABLE AGGREGATE SOIL

	EFFECT OF WETTING AND DRYING IN MEAN WEIGHT DIAMETER AND STABLE AGGREGATE SOIL
Euphrates Journal of Agriculture Science
Article 1, Volume 6, Issue 4, 2014, Pages 206-213
Abstract
Abstract : The aim of this experiment is to investigate the effect of wetting/ drying cycles in some physical and chemical soil properties on two different soils: reaclamated and Saline. In selecting 8 samples from different soils and droing it wetting and drying scales by water or acid according to one cycle, two cycles and three cycles- on wetting and drying. Samples are being together for- every soil. physical characters massed as: M.W.D, %W.S. Decreasing in MWD and %W.S.A in different soils by using a water in different soils and the cycle no.3 was a higher decreasing where it was M.W.D 0.14 , 0.01 in two different soils reaclamated and saline ,%W.S.A 3.02 and 0.08 in two different soils reaclamated and saline , but in saline soil the results shows a some increasing in M.W.D. and %W.S.A when acid was used, cycle No.3 was a higher increasing where it was M.W.D 0.19 and %W.S.A 3.06, and decreasing in M.W.D. and %W.S.A. in Reclamated soil where it was M.W.D 0.10 and %W.S.A 0.30.

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