الموضوعات المستخلصة من بحثك.
الموضوعات المستخلصة من بحثك.
Soils
104
Analysis
64
Agriculture
62
Soil formation
49
Classification
48
Nitrogen content
47
Composition
47
Fertilizers
36
Soil surveys
33
Forest soils
33
Soil science
31
Plants
31
Soil fertility
30
Land capability for agriculture
30
Soil chemistry
28
Humus
28
Research
25
Environmental aspects
23
Soil microbiology
22
Testing
20
Frozen ground
19
Geology
19
Leaching
19
Plant-soil relationships
19
Reclamation of land
18
Agricultural chemistry
18
Irrigation
18
Podzol
18
Soil conservation
18
Soil mapping
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1منشور في 1968### CRL customization ### ?> ### Add publisher and desc details ### ?>Durham, Eng. : The University, [1968?]50 leaves : ill. (1 fold in pocket), maps (6 fold. in pocket) ; 33 cm.
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2بواسطة Dickman, Sherman Russell### CRL customization ### ?> ### Add publisher and desc details ### ?>
منشور في 19401940.95 leaves : ill. ; 28 cm. -
3بواسطة Hendricks, David M., 1934-### CRL customization ### ?> ### Add publisher and desc details ### ?>
منشور في 1985Tucson, Ariz. : College of Agriculture, University of Arizona, 1985.xvi, 244 p., [18] p. of plates (one folded) : ill., maps (some col.) ; 28 cm. -
4بواسطة Martin, S. Clark (Samuel Clark), 1916-### CRL customization ### ?> ### Add publisher and desc details ### ?>
منشور في 1974Washington : U.S. Dept. of Agriculture, 1974.vi, 45 p. : ill. ; 24 cm. -
5بواسطة Abolin, R. I. (Robert Ivanovich), 1886-1939### CRL customization ### ?> ### Add publisher and desc details ### ?>
منشور في 1929Tashkent : In-t pochvovedeni︠i︡a i geobotaniki SAGU, 1929.1 map : col. ; 57 x 72 cm. -
6بواسطة Willis, Clifford### CRL customization ### ?> ### Add publisher and desc details ### ?>
منشور في 19061906.138 leaves : ill. ; 28 cm. -
7بواسطة Kramer, Joseph, 1890-### CRL customization ### ?> ### Add publisher and desc details ### ?>
منشور في 1936[Lincoln], Neb. : University of Nebraska, 1936.94 p. : ill. [1] folded plate ; 23 cm. -
8بواسطة Buckman, Harry Oliver, 1883-### CRL customization ### ?> ### Add publisher and desc details ### ?>
منشور في 1912Ithaca, N. Y., 1912.110 l. illus. 28 cm. -
9بواسطة Rankin, William Houston### CRL customization ### ?> ### Add publisher and desc details ### ?>
منشور في 19301930.15 p. : ill. ; 29 cm. -
10بواسطة Wilde, S. A. (Sergius Alexander), 1898-### CRL customization ### ?> ### Add publisher and desc details ### ?>
منشور في 1941Madison, Wis. : Soils Dept., College of Agriculture, University of Wisconsin, c1941.384 leaves, [24] leaves of plates : ill., maps ; 28 cm. -
11منشور في 1931### CRL customization ### ?> ### Add publisher and desc details ### ?>Krasnodar : G.I.T., 1931.col. map 61 x 70 cm.
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12بواسطة Hammar, Harald E. (Harald Edwin)### CRL customization ### ?> ### Add publisher and desc details ### ?>
منشور في 19271927.53 leaves : ill., map ; 28 cm. -
13بواسطة Titus, John Smith, 1923-### CRL customization ### ?> ### Add publisher and desc details ### ?>
منشور في 1951[Ithaca, N. Y.] 1951.153 l. tables. 28 cm. -
14بواسطة Thompson, L. G. (Leonard Garnett), 1903-### CRL customization ### ?> ### Add publisher and desc details ### ?>
منشور في 1947Gainesville, Fla. : University of Florida Agricultural Experiment Station, 1947.15 p. ; 23 cm. -
15بواسطة Templin, E. H. (Edward Henry), 1903-### CRL customization ### ?> ### Add publisher and desc details ### ?>
منشور في 1936Washington : U.S. Dept. of Agriculture, Bureau of Chemistry and Soils : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1936.38 p. : maps (1 fold. col.) ; 23 cm. -
16بواسطة Brooks, T. J. (Thomas Joseph), b. 1870### CRL customization ### ?> ### Add publisher and desc details ### ?>
منشور في 1936Tallahassee, Fla. : State of Florida, Dept. of Agriculture, [1936]182 p. : ill. ; 22 cm. -
17منشور في 1942### CRL customization ### ?> ### Add publisher and desc details ### ?>Washington : U.S. G.P.O., 1942.38 p. : ill., maps ; 29 cm.
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18منشور في 1962### CRL customization ### ?> ### Add publisher and desc details ### ?>Moskva, Izd-vo Akademii nauk SSSR, 1962-v. maps (part fol.d) tables. 27 cm.
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19بواسطة Montgomery, David R., 1961-### CRL customization ### ?> ### Add publisher and desc details ### ?>
منشور في 2007Berkeley : University of California Press, c2007.ix, 285 p. ́: ill., maps ; 24 cm.Table of contents only
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20بواسطة Cantrell, L.### CRL customization ### ?> ### Add publisher and desc details ### ?>
منشور في 1913Washington, D.C. : Government Printing Office, 1913.36 p., [1] fold. leaf : maps (some col.) ; 23 cm.