(par 2.2.1. 6.5) Soil Formation & Soil Horizons
Soil Formation & Soil Horizons http://nerrs.noaa.gov/doc/siteprofile/acebasin/html/envicond/soil/slform.htm A number of conceptual models of soil formation have been postulated over the years. The two that have been key in our basic understanding of soils and soil formation are those of Hans Jenny (1941) and Roy W. Simonson (1959). Five Factors of Soil Formation Jenny (1941) addressed the question […]
(par 2.2.1. 6.3) How to identify your soil types
How to identify your soil types https://www.dammannsgardenco.com/blog/how-to-identify-soil-types Recently, we’ve noticed more and more people are interested in growing their own food. Since growing yummy vegetables requires a fair bit of care, there’s also been an increase in discussions about dirt. If you’ve tried to grow anything in soil that’s hard and compact, or really sandy […]
(par 2.2.1. 5) Atmosphere (taken from Wikipedia)
Atmosphere http://en.wikipedia.org/wiki/Atmosphere From Wikipedia, the free encyclopedia This article is about atmospheres in general. For Earth’s atmosphere, see Atmosphere of Earth. An atmosphere (New Latin atmosphaera, created in the 17th century from Greek ἀτμός [atmos] “vapor”[1] and σφαῖρα [sphaira] “sphere”[2]) is a layer of gases surrounding a planet or other material body of sufficient mass[3] that is held in place by the gravity of the body. An atmosphere is more likely to […]