EFFECT OF LAND USE TYPE ON SOME PEDOMORPHOLOGICAL PROPERTIES

H. Al-Bayatie, A.; T. Al-Heeti, M.; A. H. Al-Ani, M.

	EFFECT OF LAND USE TYPE ON SOME PEDOMORPHOLOGICAL PROPERTIES
IRAQ JOURNAL OF AGRICULTURE
Article 1, Volume 18, Issue 1, 2013, Pages 0-0
Authors
A. H. Al-Bayatie; M. T. Al-Heeti; M. A. H. Al-Ani
Abstract
In order to study the effect of Agricultural practices accompanying to land use on some pedomorphological properties, six pedons within transect parallel to Euphrates river in TW464 soil series at albu-aubed province which was 20.7km faraway from Al-Ramide city were selected as study location. After investigation about actual land use type with confirmation on the management system period yet not less than fifteen years. There are, non-utilize land (P1), land used for cereal cultivation with crop rotation (wheat –fallow) (P2), land used for cereal cultivation with crop rotation(barley–corn) (P3), land used for forage (alfalfa)(P4), land used for vegetables cultivation with crop rotation (cowpea-redbeet) (P5) and land used for citrus trees (orange) under palm trees (P6). Soils morphological described and soil samples were taken from every horizon for some physical and chemical analysis. The results were showed, Ap horizon thickness was ranged between 22-32cm depending on management practices which accompanying to crop system, in comparison to A1 horizon which showed 20cm, with vertical difference in Soil particles which indicated the existence of stratification phenomenon. Increasing in color valve was recorded at surface horizons in comparison to under surface horizons, with supremacy sub angular blocky structure with different size ranged between fine and coarse with moderate grade changed to strong at Cd horizon in the P2 and P3, The vertical distribution study for porosity showed the common type at Ap horizon reduced to few at C1 horizon, Root distribution ranged between the common and few type about abundance , and its size ranged between very fine and coarse. Lower values for soil penetration resistance were recorded at plow horizons which was increased with depth to reach higher values at C1 horizon, this parameter significantly correlated with soil bulk density because fixing water content for all measured samples. Soil chemical properties showed that land use type significantly affected on soil electrical conductivity and soil organic matter contents.

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