Search results
Results from the WOW.Com Content Network
However, silt is very vulnerable to erosion, and it has poor mechanical properties, making construction on silty soil problematic. The failure of the Teton Dam in 1976 has been attributed to the use of unsuitable loess in the dam core, and liquefication of silty soil is a significant earthquake hazard. Windblown and waterborne silt are ...
Chernozem (/ ˈ tʃ ɜːr n ə z ɛ m / CHUR-nə-zem), [a] also called black soil, regur soil or black cotton soil, is a black-colored soil containing a high percentage of humus [3] (4% to 16%) and high percentages of phosphorus and ammonia compounds. [4] Chernozem is very fertile soil and can produce high agricultural yields with its high ...
Soil fertility refers to the ability of soil to sustain agricultural plant growth, i.e. to provide plant habitat and result in sustained and consistent yields of high quality. [3] It also refers to the soil's ability to supply plant/crop nutrients in the right quantities and qualities over a sustained period of time.
The fertile Alfisols were most likely formed by Devonian forests. The oldest of the Alfisol paleosol forest soils are in the paleosols of the Aztec Siltstone in Victoria Land , Antarctica. In the paleosols of the Aztec Siltstone, the Rosemary paleosol, there is evidence for trees from surficial tree-throwing structures and large drab-haloed ...
The area around Sale was taken up by settlers who followed the explorers Angus McMillan (1839-1841) and Paul Strzelecki (1840). While the township of Sale was helped by the first allotments of land to form the township in 1850. Wurruk remained a rural area for farming. This was due to rich fertile soil that was also prone to flooding.
He wants his remains to be placed in a vessel, broken down by tiny microbes and composted into rich, fertile soil. Maybe his composted remains could be planted outside the family home in Vermont ...
Soils underlain by loess tend to be excessively drained. The fine grains weather rapidly due to their large surface area, making soils derived from loess rich. The fertility of loess soils is due largely to a high cation exchange capacity (the ability of the soil to retain nutrients) and porosity (the air-filled space in the soil). The ...
With such soil fertile soil comes premium forage for livestock which is why South Dakota also comes in top ten for beef, sheep, hog, and honey production. [1] Houdek loam soil is the foundation of life and the economic base for South Dakota. Houdek loam is a symbol that can help increase public awareness and importance of South Dakota's soil ...