Intercation Between Some Micro-Elements And Humic Substances in Some Forest Soils Northern Iraq von Al-Khafagi, Qahtan D. Essa

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SIGNIFICANCE OF SOIL DEVELOMENT AND IRON OXIDES CONTENT ON PROPERTIIES OF PERMENANT CHARGE ON CLAY SURFACES IN SOME SELECTED SOILS FROM NORTHERN IRAQ von Mawlood, Saleh, Essa, Qahtan D.

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STUDY THE CHARACTERISTIES Of VARIABLE CHARGES OF SOME SELECTED SOILS FROM NORTHERN IRAQ von Mawlood, Saleh, Essa, Qahtan D.

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STUDY THE VARIATIONS OF WEATHERING LEVELS FOR SOME SOILS FORMED UNDER DIFFERENT CLIMATEIC CONDITIONS / NORTHERN IRAQ von Mawlood, Saleh, Essa, Qahtan D.

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STUDY THE VARIATIONS OF WEATHERING LEVELS FOR SOME SOILS FORMED UNDER DIFFERENT CLIMATEIC CONDITIONS / NORTHERN IRAQ von Saleh Mawlood, Qahtan D. Essa

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