NICET SOILS LEVEL 1 EXAM 2026 STUDY
GUIDE EDITION
◉ Edaphology. Answer: study of soil in relation to living things
◉ Soil Service/Functions (6). Answer: Plant medium, Recyling
system for nutrients and organic waste, modifier of the atmosphere,
habitat for soil organisms, engineering medium, and system for
water supply and purification.
◉ Soil Def (Mem). Answer: A dynamic natural body composed of
mineral and organic solids, gases, liquids and living organisms which
can serve as a medium for plant growth.
◉ Justus Von Liebig (1803-1873). Answer: law of the minimum
(Barrels)
◉ Vasily Dokuchaev 1846-1903. Answer: -Father of Soil Science
-Related Soil to parent material, climate, topography and time
-First Soil Classification
◉ Curtis Marbut 1863-1935. Answer: -First soil classification in the
U.S.
, -Born in Missouri!
-Taught Geology at Mizzou
◉ Hans Jenny (1899-1992). Answer: -Factors of Soil Formation
(CLORPT)
-Started his career teaching at Mizzou
◉ Hugh Bennett (1881-1960). Answer: Father of soil conservation.
First director of the Soil Erosion
Service.
◉ William Albrecht 1888-1974. Answer: -Connection between soil
health and human health
-Taught at Mizzou
-Plot 23
◉ Eliane Ingham. Answer: -Developed the Soil Food Web - the
interrelationship between soil and living organisms -Authored the
USDA Soil Biology Primer
◉ Benjamin Duggar 1872-1956. Answer: - Biologist at Mizzou
- Extracted tetracycline from plot 23, Sanborn Field
GUIDE EDITION
◉ Edaphology. Answer: study of soil in relation to living things
◉ Soil Service/Functions (6). Answer: Plant medium, Recyling
system for nutrients and organic waste, modifier of the atmosphere,
habitat for soil organisms, engineering medium, and system for
water supply and purification.
◉ Soil Def (Mem). Answer: A dynamic natural body composed of
mineral and organic solids, gases, liquids and living organisms which
can serve as a medium for plant growth.
◉ Justus Von Liebig (1803-1873). Answer: law of the minimum
(Barrels)
◉ Vasily Dokuchaev 1846-1903. Answer: -Father of Soil Science
-Related Soil to parent material, climate, topography and time
-First Soil Classification
◉ Curtis Marbut 1863-1935. Answer: -First soil classification in the
U.S.
, -Born in Missouri!
-Taught Geology at Mizzou
◉ Hans Jenny (1899-1992). Answer: -Factors of Soil Formation
(CLORPT)
-Started his career teaching at Mizzou
◉ Hugh Bennett (1881-1960). Answer: Father of soil conservation.
First director of the Soil Erosion
Service.
◉ William Albrecht 1888-1974. Answer: -Connection between soil
health and human health
-Taught at Mizzou
-Plot 23
◉ Eliane Ingham. Answer: -Developed the Soil Food Web - the
interrelationship between soil and living organisms -Authored the
USDA Soil Biology Primer
◉ Benjamin Duggar 1872-1956. Answer: - Biologist at Mizzou
- Extracted tetracycline from plot 23, Sanborn Field
