Physical Characteristics of Terraces Agricultural Soils in Al-bahah District | ||
| مجلة القراءة والمعرفة | ||
| Article 12, Volume 21, Issue 240, October 2021, Pages 319-329 PDF (1.13 M) | ||
| Document Type: المقالة الأصلية | ||
| DOI: 10.21608/mrk.2021.208137 | ||
| Author | ||
| أ / ابتسام بنت سالم الغامدى* | ||
| اسعودية | ||
| Abstract | ||
| Little attention has been paid into agricultural terrace soil properties. For this reason the current research aimed to study the physical characteristics of such soils as an initial step in obtaining a broader understanding of their properties. This is important because these the sites terraces are closely associated with human settlement in this mountain zone. During the course of the research several important findings were made may be the important finding were made may be that the highest percentage of soil were silts (loess), sand and clay are different from valley to valley. This may be result of local geology. Rocks in the Ghazeer valley are schist and those in the Bani Saeed valley are very weathered granites relating to former Tertiary climates and plate movements of the Peninsula when it was in equator and terraces silts are probably originally blown in from Africa and the Rub’ al Khali and on slopes have been transferred by flood water into terraces and it called secondary deposits | ||
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