Nitrogen Distribution and Amino-Acid Composition of Fractions of a Humic Acid from a Chernozem Soil („Hildesheimer Schwarzerde”)
1955 ◽
Vol 71
(1)
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pp. 63-66
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1972 ◽
Vol 4
(3)
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pp. 339-345
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Keyword(s):
1964 ◽
Vol 15
(10)
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pp. 721-724
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Keyword(s):
Keyword(s):
Keyword(s):
Keyword(s):