Introduction to Soil Science
VIEWS: times Release Date:2022-03-04
一, Basic Concepts of Soil:
一,The importance and role of soil in the earth's surface system
Five circle concepts:
Atmosphere: The air surrounding the Earth.
Biosphere: The portion of living organic matter in the Earth's environment.
Hydrosphere: All bodies of water in or near the Earth's surface.
lithosphere: the outer layer of the solid part of the earth
The pedosphere: the continuous or discontinuous portion of the earth's surface
Definition of soil
Because different scientists have different understandings of the concept of soil, the description of soil is not completely consistent.
The more widely used classic definition is: soil is the loose surface layer on the open surface of the earth that can grow green plants.
2. Basic characteristics of soil
The limited amount of soil resources
Destruction of soil resources = eating ancestors' rice, breaking the way of descendants
Regeneration and quality variability of soil resources
With proper governance, the soil is always new.
soil erosion, land desertification, soil salinization, soil
Contaminated and degraded soil fertility.
The fixedness of the spatial distribution of soil resources
The distribution law of climate, organisms and vegetation determines the soil resources.
The regularity of the spatial distribution of the source on the ground, that is, the spatial location of the
relative stability.
Huaqiang Chemical Company has formed an annual output of 1.5 million tons of high-concentration ternary compound fertilizer, 1 million tons of urea, 800,000 tons of synthetic ammonia alcohol, 100,000 tons of organic fertilizer, 200,000 tons of organic-inorganic compound fertilizer, 300,000 tons of ammonium bicarbonate, 250,000 tons of hydrogen peroxide. 100,000 tons of dimethyl ether, 80,000 tons of sodium nitrate, 50,000 tons of melamine, 100 million color film woven bags, 100 million new wall tiles, 40 million square meters of high-end ceramic tile production capacity, sales revenue exceeded 6 billion Yuan is a top 500 chemical company.
For more information, please call +86 18627120543 Or send an email:info@hq-chemical.com
Previous : None
Next : potassium sulphate fertilizer
Latest News
- The company overcame difficulties and won a "good start" in the first quarter ...2022-03-28
- Safe Production ...2022-03-28
- first-line collection ...2022-03-26
- Huaqiang News ...2022-03-26
- Huaqiang Chemical Strong Agriculture Project ...2022-03-25
- huaqiang news ...2022-03-24
- winning unit ...2022-03-22
- Huaqiang News ...2022-03-21
Related Information
MESSAGE
Our sales staff will be the first time to get in touch with you,to provide you with the latest price.
-
Chemical Products
-
Compound fertilizer
-
Contact Us
Huaqiang Chemical Group Stock Co.,Ltd.
No.1 Jinping Avenue, Dangyang , Hubei , China
Http://www.hq-chemical.com
info@hq-chemical.com
Tel:+86 717 3431866
Mobile: +86 18627120543
© Copyright 2021 Huaqiang Chemical Group Stock Co.,Ltd. All Rights Reserved