books soil research
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# Research on soil pollution
# Soil research and site exploration
# How does a person affect the soil?
# What are the components of soil?
# How do I preserve the soil?
# What are the types of soil?
# How does one preserve the soil?
# Research on the components of soil
# Research on how to conserve soil
# soil chemistry research
# Soil Research Articles
# Research on soil types and properties
# soil biology
# flooded soil
# alluvial alluvial soil
# soil erosion
# Determine soil fertility
# Soil properties and testing
# Soil study
# Analysis of nutrients in the soil
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soil (Info)
- soil:- make soiled, filthy, or dirty; "don''t soil your clothes when you play outside!" (Arabic WordNet)
- soil:- material in the top layer of the surface of the earth in which plants can grow (especially with reference to its quality or use); "the land had never been plowed"; "good agricultural soil" (Arabic WordNet)
- soil:- the part of the earth''s surface consisting of humus and disintegrated rock (Arabic WordNet)
- soil:- الطبقة العليا من غلاف الصخر، وتنتج من التحلل الكامل له بتأثير المؤثرات الجوية والكائنات المجهرية، وتتكون من حبيبات صخرية دقيقة تختلط غالبا بالبقايا النباتية والحيوانية المتعفنة والمواد الدبالية الناتجة عن عمليات التحلل العضوى. وتتدرج حجوم حبيباتها عادة في الكبر نحو قاعدة غلاف الصخر حيث تسمى: " ما تحت التربة " Subsoil (معجم الجيولوجيا)
- soil:- مواد رقيقة مفككة فوق الطبقات أو الصخور الصلبة وتصلح للزراعة (المعجم الموحد لمصطلحات الجيولوجيا)
- soil:- مواد رقيقة مفككة فوق الطبقات أو الصخور الصلبة وتصلح للزراعة (المعجم الموحد لمصطلحات الزلازل)
- soil:- make soiled, filthy, or dirty (Princeton WordNet 3.1)
- soil:- material in the top layer of the surface of the earth in which plants can grow (especially with reference to its quality or use) (Princeton WordNet 3.1)
- soil:- the state of being covered with unclean things (Princeton WordNet 3.1)
- soil:- the part of the earth's surface consisting of humus and disintegrated rock (Princeton WordNet 3.1)
- soil:- the geographical area under the jurisdiction of a sovereign state (Princeton WordNet 3.1)
