Answer the following questions in brief. 1. Name any three minerals present in rocks.
2. What is weathering?
3. How does soil become fertile?
4. Explain E-horizon of soil profile.
5. How many types of soils are there based on size of particles?
6. How can a farmer convert acidic soil to neutral soil?
Answers
Answer:
1. The 3 minerals found in rocks are quartz, gypsum and calcite
2.Weathering is the breaking down or dissolving of rocks and minerals on Earths surface. ... Water, ice, acids, salts, plants, animals, and changes in temperature are all agents of weathering.
3. Soil fertility is a complex process that involves the constant cycling of nutrients between organic and inorganic forms.
4.E horizon: is a mineral horizon in the upper part of the soil. Typically present only in forested areas it underlies an O or A horizon. It is a light colored, leached horizon. ...
5..
Soil Texture
The particles that make up soil are categorized into three groups by size – sand, silt, and clay
6.If the farmer mixes a small amount of slaked lime solution or quick lime solution to the soil, acidic soil will convert into neutral soil.