Crops

Distribution of Shallot onion (Allium ascalonicum L.)

Object description Download GIS-layers

Authors:

Scientist - N.V. Terekhina
GIS-specialist - N.V. Terekhina

Date of creation:

18.03.2005

Scale:

1:20,000,000

Accuracy of map:

Unit of map is based on regions (oblasts) taken from the Arable Lands Map and generalized to a scale of 1:20,000,000.

Projection:

"Alber's Equal Area Conic for Russia", 9, 1001, 7, 100, 0, 44, 68, 0, 0

Basic contents:

Vector map. Consists of one layer representing the area of cultivation.

Accuracy of classifier:

Map was created based on published information about species distribution and cultivation. Accuracy is on the level of oblast.

Method of map production:

Map based on research data (State list, 1994, 2004) and map of vegetable cultivation for the USSR (Agricultural, 1960). Area covers almost all arable territory of the USSR; the main regions of cultivation cover south and moderate zones (1983; Kazakova, 1987; Bekseev, 1998), including Central-Chernozem regions, Transcaucasia, Kazakhstan, Ukraine, Far East, Nothern Caucasus, Western Siberia (Agafonov, 1984).

Reference citations:

Agafonov A.F. Elaboration of agrotechnics by Shallot onion cultivation and growing on green leaves in open and close ground. Moscow, 1984 (in Russian).
Agricultural Atlas of USSR. Ed. by Tulupnikov A.I. Moscow, 1960 (in Russian).
Alekseeva M.V. Cultural onions. Moscow, 1960 (in Russian).
Bekseev Sh. Vegetable cultures of the world. The encyclopedia of truck farming. St.Petersburg, 1998 (in Russian).
Ershov, I.I. (Ed.) 1983. Methodical instructions and technology for Shallot onion planting and production., Moscow (in Russian).
Kazakova A.A. Onion //Cultural flora of the USSR. Ed. by D.D.Brezhnev. Leningrad, 1978 (in Russian).
State List of Selection Achievements, Admitted to Use. Moscow, 1994 (in Russian).
State List of Selection Achievements, Admitted to Use. Moscow, 2004 (in Russian).
Technology of onion cultivation in Omsk region. Ed.V.Ya. Makarova. Novosibirsk, 1990 (in Russian).
Tulupova A.A., Tulupov Yu.K., Prokofieva N.A., Sukhorukova N.S. Vegetables in your garden. Barnaul, 1990 (in Russian).
Vehov V.N., Gubanov I.A., Lebedeva G.F. Cultural plants of the USSR. Moscow. 1978 (in Russian).

Right and copyright:

All rights reserved. Copyright 2005 © N.V. Terekhina (map and description)