Ultisol (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Ultisol" in English language version.

Last modified: 01:09:19, 27 March 2026 (UTC)

Ref.Un. Ref.Website

Global rank English rank

44web.archive.org

1^st place

44ncsu.edu

2,653^rd place

1,525^th place

33uga.edu

3,057^th place

1,881^st place

33garden.org

low place

33oregonstate.edu

2,217^th place

1,359^th place

33missouribotanicalgarden.org

5,451^st place

3,624^th place

11fao.org

428^th place

480^th place

11jstor.org

23^rd place

15^th place

11adsabs.harvard.edu

14^th place

9^th place

11doi.org

2^nd place

11worldcat.org

4^th place

adsabs.harvard.edu (Global: 14^th place; English: 9^th place)

ui.adsabs.harvard.edu

Vitousek, P. M.; Sanford, R. L. (1986). "Nutrient Cycling in Moist Tropical Forest". Annual Review of Ecology and Systematics. 17 (1): 137–167. Bibcode:1986AnRES..17..137V. doi:10.1146/annurev.es.17.110186.001033. ISSN 0066-4162. JSTOR 2096992.

doi.org (Global: 2^nd place; English: 2^nd place)

Vitousek, P. M.; Sanford, R. L. (1986). "Nutrient Cycling in Moist Tropical Forest". Annual Review of Ecology and Systematics. 17 (1): 137–167. Bibcode:1986AnRES..17..137V. doi:10.1146/annurev.es.17.110186.001033. ISSN 0066-4162. JSTOR 2096992.

fao.org (Global: 428^th place; English: 480^th place)

IUSS Working Group WRB (2015). "World Reference Base for Soil Resources 2014, Update 2015" (PDF). World Soil Resources Reports 106, FAO, Rome.

garden.org (Global: low place; English: low place)

"Improving Clay Soil – Garden.org". garden.org. Retrieved 2018-04-14.
"Improving Clay Soil – Garden.org". garden.org. Retrieved 2018-04-14.
"Improving Clay Soil – Garden.org". garden.org. Retrieved 2018-04-14.

jstor.org (Global: 23^rd place; English: 15^th place)

Vitousek, P. M.; Sanford, R. L. (1986). "Nutrient Cycling in Moist Tropical Forest". Annual Review of Ecology and Systematics. 17 (1): 137–167. Bibcode:1986AnRES..17..137V. doi:10.1146/annurev.es.17.110186.001033. ISSN 0066-4162. JSTOR 2096992.

missouribotanicalgarden.org (Global: 5,451^st place; English: 3,624^th place)

Kemper, William. "Best Plants for Problem Clay Soils: Annuals, Bulbs, Needled Evergreens, Ornamental Grasses" (PDF). Missouri Botanical Gardens.
Kemper, William. "Best Plants for Problem Clay Soils: Annuals, Bulbs, Needled Evergreens, Ornamental Grasses" (PDF).
Kemper, William. "Best Plants for Problem Clay Soils: Annuals, Bulbs, Needled Evergreens, Ornamental Grasses" (PDF).

ncsu.edu (Global: 2,653^rd place; English: 1,525^th place)

www4.ncsu.edu

"Dealing With Red Clay". www4.ncsu.edu. Archived from the original on 2018-04-06. Retrieved 2018-04-14.
"Dealing With Red Clay". www4.ncsu.edu. Archived from the original on 2018-04-06. Retrieved 2018-04-14.
"Dealing With Red Clay". www4.ncsu.edu. Archived from the original on 2018-04-06. Retrieved 2018-04-14.
"Dealing With Red Clay". www4.ncsu.edu. Archived from the original on 2018-04-06. Retrieved 2018-04-14.

oregonstate.edu (Global: 2,217^th place; English: 1,359^th place)

extension.oregonstate.edu

"How to improve clay soil | Oregon State University Extension Service | Gardening". extension.oregonstate.edu. 28 February 2003. Retrieved 2018-04-14.
"How to improve clay soil | Oregon State University Extension Service | Gardening". extension.oregonstate.edu. 28 February 2003. Retrieved 2018-04-14.
"How to improve clay soil | Oregon State University Extension Service | Gardening". extension.oregonstate.edu. 28 February 2003. Retrieved 2018-04-14.

uga.edu (Global: 3,057^th place; English: 1,881^st place)

caes.uga.edu

"Tips on gardening for Georgia newcomers". Retrieved 2018-04-10.
"Tips on gardening for Georgia newcomers". Retrieved 2018-04-10.
"Tips on gardening for Georgia newcomers". Retrieved 2018-04-10.

web.archive.org (Global: 1^st place; English: 1^st place)

"Dealing With Red Clay". www4.ncsu.edu. Archived from the original on 2018-04-06. Retrieved 2018-04-14.
"Dealing With Red Clay". www4.ncsu.edu. Archived from the original on 2018-04-06. Retrieved 2018-04-14.
"Dealing With Red Clay". www4.ncsu.edu. Archived from the original on 2018-04-06. Retrieved 2018-04-14.
"Dealing With Red Clay". www4.ncsu.edu. Archived from the original on 2018-04-06. Retrieved 2018-04-14.

worldcat.org (Global: 4^th place; English: 4^th place)

search.worldcat.org

Vitousek, P. M.; Sanford, R. L. (1986). "Nutrient Cycling in Moist Tropical Forest". Annual Review of Ecology and Systematics. 17 (1): 137–167. Bibcode:1986AnRES..17..137V. doi:10.1146/annurev.es.17.110186.001033. ISSN 0066-4162. JSTOR 2096992.

Ultisol (English Wikipedia)

adsabs.harvard.edu (Global: 14th place; English: 9th place)

ui.adsabs.harvard.edu

doi.org (Global: 2nd place; English: 2nd place)

fao.org (Global: 428th place; English: 480th place)

garden.org (Global: low place; English: low place)

jstor.org (Global: 23rd place; English: 15th place)

missouribotanicalgarden.org (Global: 5,451st place; English: 3,624th place)

ncsu.edu (Global: 2,653rd place; English: 1,525th place)