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Humus
28
Soils
13
Composition
5
Analysis
5
Nitrogen content
4
Environmental aspects
4
Forest soils
3
Growth (Plants)
3
Humic acid
3
Lignite
3
Research
3
Soil biochemistry
3
Soil formation
2
Humification
2
Lignin
2
Organic fertilizers
2
Phosphates
2
Plants
2
Podzol
2
Roots (Botany)
2
Soil chemistry
2
Soil fertility
2
Soil microbiology
2
Soil micromorphology
2
Soils and climate
2
Sols
1
Agriculture
1
Atmospheric carbon dioxide
1
Biodegradation
1
Biosphere
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1由 Thompson, L. G. (Leonard Garnett), 1903-### CRL customization ### ?> ### Add publisher and desc details ### ?>
出版 1947Gainesville, Fla. : University of Florida Agricultural Experiment Station, 1947.15 p. ; 23 cm. -
2出版 1889### CRL customization ### ?> ### Add publisher and desc details ### ?>Lake City, Fla. : Experiment Station of Florida at the State Agricultural College, 1889.19 p. ; 23 cm.
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3由 Aliev, S. A. (Spartak Askerovich)### CRL customization ### ?> ### Add publisher and desc details ### ?>
出版 1978Baku : "Ėlm", 1978.252 p. : ill. -
4由 Amann, Christine, 1950-### CRL customization ### ?> ### Add publisher and desc details ### ?>
出版 1980[München : s.n., 1980]iii, 105 p. : ill. ; 21 cm. -
5由 Orlov, D. S. (Dmitriĭ Sergeevich)### CRL customization ### ?> ### Add publisher and desc details ### ?>
出版 1996Moskva : "Nauka", 1996.253 p. : ill. ; 25 cm. -
6由 Ruchti, Jürg, 1932-### CRL customization ### ?> ### Add publisher and desc details ### ?>
出版 1962Zürich : Juris, 1962.57 p. : ill. ; 21 cm. -
7### CRL customization ### ?> ### Add publisher and desc details ### ?>Novosibirsk : "Nauka", 2004.102 p. ; 22 cm.
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8由 Tepper, Ekaterina Zelʹmanovna### CRL customization ### ?> ### Add publisher and desc details ### ?>
出版 1976Moskva : "Nauka", 1976.197 p., [12] leaves of plates : ill., graphs. -
9由 Aleksić, Život B.### CRL customization ### ?> ### Add publisher and desc details ### ?>
出版 1965Beograd, 1965.40 p. 24 cm. -
10### CRL customization ### ?> ### Add publisher and desc details ### ?>Moskva : "Nauka", 1965.318, [2] p. : ill., port. ; 27 cm.
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11由 Trube︠t︡skoĭ, O. A.### CRL customization ### ?> ### Add publisher and desc details ### ?>
出版 1991Pushchino : Nauchnyĭ ︠t︡sentr biologicheskikh issledovaniĭ AN SSSR, 1991.19 p. ; 22 cm. -
12出版 1975### CRL customization ### ?> ### Add publisher and desc details ### ?>Apatity : Kolʹskiĭ filial AN SSSR, 1975.138 p. : ill. ; 20 cm.
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13由 Pereverzev, Vladimir Nikolaevich### CRL customization ### ?> ### Add publisher and desc details ### ?>
出版 1980Leningrad : "Nauka," Leningradskoe otd-nie, 1980.228 p. : ill. ; 22 cm. -
14由 Przemeck, Eberhard### CRL customization ### ?> ### Add publisher and desc details ### ?>
出版 1962Göttingen 1962.132 p. -
15由 Christensen, Ben T.### CRL customization ### ?> ### Add publisher and desc details ### ?>
出版 2000Tjele, Denmark : Danish Institute of Agricultural Sciences, 2000.95 p. ; 24 cm. -
16### CRL customization ### ?> ### Add publisher and desc details ### ?>Moskva : Izd-vo "Nauka", 1969.142 p. : ill. ; 21 cm.
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17由 Shirshova, L. T. (L︠i︡udmila Timofeevna)### CRL customization ### ?> ### Add publisher and desc details ### ?>
出版 1991Moskva : "Nauka", 1991.85 p. ; 22 cm. -
18由 Lomander, Anja### CRL customization ### ?> ### Add publisher and desc details ### ?>
出版 2002Uppsala : Swedish University of Agricultural Sciences, 2002.1 v. (various pagings) : ill. ; 24 cm. -
19出版 1992### CRL customization ### ?> ### Add publisher and desc details ### ?>Moskva : Nauka, 1992.166, [1] p. : ill. ; 22 cm.
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20由 Appel, Thomas### CRL customization ### ?> ### Add publisher and desc details ### ?>
出版 1999Egelsbach ; New York : Hänsel-Hohenhausen, c1999.xiii, 261 p. : ill. ; 21 cm.