مشاركة
مسح جغرافي لخصوبة التربة في قضاء الناصرية واثرها على الانتاج الزراعي == A Geographical Survey of Soil Fertility in Nasiriyah District and it lmpact on Agricultural producion
اسم المؤلف:
كوثر عبد الله سعدون العسكري
اسم المشرف:
جاسب كاظم عبد الحسين الجوهر
الموضوع العام:
الجغرافية
السنة:
2018
الموضوع الدقيق:
الجغرافية
الدرجة:
ماجستير
الجامعة:
جامعة ذي قار - كلية الاداب - قسم الجغرافية
اللغة:
العربية
مكان الجامعة:
ذي قار
الصفحات الاولى:
10T1696 - p.pdf
المستخلص:
Soil is a natural resource with siow regeneration , so keeping it and Sustaining its Fetidity is very important . The aim of this study is to make a comprehensive and detailed survey of soil precipitate in the district of Nasiriya and studying the spatial variation of soil characteristics and Know their impact on agricultural production and influential factors , The study addressed the impact of natural geographical factors ( geoiogical structure , climate , natural resources and natural plants) as well as human factors of (thermal , irrigation ,downstream , fertilizers , pussy , agricultural session ) on the characteristics of physical ( case of soil , density of truth and hears , soil porous , soil moisture , saturated water pure ) as well as chemical properties ( organic matter , trustee interaction , electrical fiber , calcium calibers , calcium sulfate ) and their reflection on agricultural production .To achieve the objective of the study , 36 models of the study area were taken from different locations and deployed (0 - 30 - 30 - 60 ) to analyze physical and chemical properties of europium and represent it in their statement .The study reached that there was a variation of the chartists of the trial in the study area because of the variation of their factors , which rwflected in their dying , and the results of the laboratory analysis indication that the estimation of the trial was medium to soft , and the density of the trustees and its samples were contrary to the variety of and geographical distribution , the trusted moisture was charactized by the field capacity and waxing point as appropriate for agricultural production .While the analysis of the chemical properties , the proportion of organic substance is clear and clear if this ratio rises significantly in the rivers of rivers and rivers basins to reduce this ratio in spring and spam and unemployed dunes .
