1938 soil taxonomy divided soils into three orders dependent on dominant soil forming factors. Intrazonal soils have more or less well-defined soil profile...
3 KB (348 words) - 05:32, 6 July 2023
USDA soil taxonomy (ST) developed by the United States Department of Agriculture and the National Cooperative Soil Survey provides an elaborate classification...
18 KB (2,126 words) - 11:32, 20 July 2023
criteria. USDA soil taxonomy provides the core criteria for differentiating soil map units. This is a substantial revision of the 1938 USDA soil taxonomy which...
21 KB (2,385 words) - 06:35, 2 February 2024
requirements. Soil texture focuses on the particles that are less than two millimeters in diameter which include sand, silt, and clay. The USDA soil taxonomy and...
23 KB (3,046 words) - 06:58, 19 May 2024
Curtis F. Marbut (category American soil scientists)
published in the 1938 Yearbook of Agriculture, Soils and Men: the 1938 USDA soil taxonomy. At the highest level of classification the soils were divided into...
4 KB (455 words) - 00:45, 22 February 2024
published in the 1938 Yearbook of Agriculture, Soils and Men: the 1938 USDA soil taxonomy. At the highest level of classification the soils were divided into...
18 KB (2,281 words) - 17:25, 21 November 2022
Soil Survey Staff. 1975. Soil Taxonomy: A basic system of soil classification for making and interpreting soil surveys. USDA-SCS Agric. Handb. 436. United...
204 KB (22,698 words) - 09:08, 14 August 2024
Rendzina (category Types of soil)
1. Bern: Hep Verlag. p. 122. 1938 USDA soil taxonomy Alvar Calcareous grassland Chalk heath Downland Edaphic FAO soil classification Gypcrust Gypsum...
6 KB (632 words) - 15:30, 19 December 2023
surface restricts roots and water percolation. San Joaquin soils are classified in USDA soil taxonomy as fine, mixed, active, thermic abruptic durixeralfs....
15 KB (2,063 words) - 23:11, 30 May 2024
Pedocal (category Types of soil)
of soil classification but the term commonly shows up in college geology texts. Pedalfer USDA soil taxonomy Baldwin, M.; C.E. Kellogg; J. Thorp (1938)....
2 KB (180 words) - 17:34, 18 July 2023
Vol. 43. P. 132–153. Soil Survey Staff, 1993. Soil Survey: Early Concepts of Soil. (html) Soil Survey Manual USDA Handbook 18, Soil Conservation Service...
22 KB (3,046 words) - 23:50, 3 March 2024
Japanese beetle (section Taxonomy)
bacterium called milky spore, Paenibacillus (formerly Bacillus) popilliae. The USDA developed this biological control, and it is commercially available in powder...
25 KB (2,396 words) - 14:50, 30 July 2024
Pedalfer (category Types of soil)
Pedocal USDA soil taxonomy Baldwin, M.; C.E. Kellogg; J. Thorp (1938). "Soil Classification". Soils and Men: Yearbook of Agriculture 1938. U.S. Government...
2 KB (190 words) - 02:47, 28 January 2021
Planosol (category Types of soil)
surface horizon. In the US Soil Classification of 1938 used the name Planosols, whereas its successor, the USDA soil taxonomy, includes most Planosols in...
6 KB (683 words) - 07:41, 7 March 2024
Roy W. Simonson (category American soil scientists)
College from 1938 to 1942, he worked in the USDA federal soil survey programs, first with the Bureau of Chemistry and Soils and then with the Soil Conservation...
6 KB (559 words) - 00:16, 16 August 2024
Persicaria maculosa (section Taxonomy)
& Libraries; Australian National Botanic Gardens. Retrieved 2019-05-09. USDA Atlas of Living Australia, Persicaria maculosa Gray, Jesus Plant IUCN Red...
9 KB (920 words) - 05:47, 23 January 2024
Pycnanthemum muticum (section Taxonomy)
sun or partial shade. It prefers moist soils and has very little drought tolerance. The zone 5 is the minimum USDA hardiness zone where plants will survive...
14 KB (1,438 words) - 17:14, 24 February 2024
Stagnosol (category Types of soil)
surface horizon. In the US Soil Classification of 1938 used the name Planosols, whereas its successor, the USDA soil taxonomy, includes most Planosols in...
5 KB (612 words) - 07:03, 17 August 2023
Acer leucoderme (section Taxonomy)
Department of Agriculture (USDA). Natural Resources Conservation Service, Plants List of Accepted Nomenclature, Taxonomy and Symbols (PLANTS) Database...
11 KB (1,236 words) - 13:29, 23 December 2023
acrostichoides (Michx.) Schott". www.tropicos.org. Retrieved 26 June 2016. USDA, accessed 2011. Foster, Boughten Cobb (1987). A field guide to ferns and...
8 KB (790 words) - 18:20, 26 April 2024
Sarracenia purpurea (section Taxonomy)
province's penny until 1938. Sarracenia purpurea is cultivated as an ornamental plant. It is fairly hardy, but requires a reliably damp soil in a sheltered position...
18 KB (1,768 words) - 15:54, 16 June 2024
Rhamnus crocea subsp. ilicifolia (section Taxonomy)
Botanic Gardens, Kew. Retrieved 2024-03-18. USDA, NRCS (n.d.). "Rhamnus ilicifolia". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National...
7 KB (723 words) - 18:33, 18 March 2024
Arisaema triphyllum (section Taxonomy)
Primrose Path. Retrieved 27 January 2023. USDA, NRCS (n.d.). "Arisaema triphyllum". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National...
35 KB (3,164 words) - 16:32, 3 April 2024
"Leave Those Catalpa Worms Be". Mother Earth News. Wikimedia Commons has media related to Catalpa bignonioides. USDA Plants Profile: Catalpa bignonioides...
15 KB (1,770 words) - 01:34, 14 August 2024
Cellule (in French). 33: 7–331 (see pp. 203–4). Dattilo-Rubbo S. (1938). "The taxonomy of fungi of blue-veined cheese". Transactions of the British Mycological...
16 KB (1,694 words) - 22:03, 25 March 2024
Penstemon albidus (section Taxonomy)
Gardens. Retrieved 17 February 2023. USDA, NRCS (2023). "Penstemon albidus Nutt.". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National...
21 KB (2,224 words) - 22:26, 16 August 2024
Salvia funerea (section Taxonomy)
funeral sage, is an intricately branched shrub associated with limestone soils in the Mojave Desert in California and Nevada. It is characterized by an...
5 KB (490 words) - 08:29, 16 February 2024
Valeriana woodsiana (section Taxonomy)
2024. "Plants Profile for Valerianella radiata (beaked cornsalad)". plants.usda.gov. Retrieved 2 June 2018. "Valerianella radiata Beaked Cornsalad PFAF Plant...
8 KB (692 words) - 23:24, 1 August 2024
