Humic Matter in Soil and the Environment: Principles and Controversies - Chapter 1 ppt
Humic Matter in Soil and the Environment: Principles and Controversies - Chapter 1 ppt
...
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2.2 .1 Humic Matter in Soils
2.2.2 Humic Matter in Soils of the Wetlands
2.2.3 Humic Matter in Aquatic...
Humic Matter in Soil and the Environment: Principles and Controversies - Chapter 2 pot
...
and Al, the humic substances are mostly in the form of Fe- and
Al-humates and hlvates.
Other groups of soils containing hurnic matter are the ultisols
and oxisols, soils generally low
in ... 4.0 -1 .0 in andosols of the humid tropics
(Tan, 19 65; 19 64). Another marked difference is that the humic matter
in andosols is present in close association wi...
Humic Matter in Soil and the Environment: Principles and Controversies - Chapter 4 pot
... quinones are involved in the reactions forming humic
matter. Quinones are phenol derivatives, and often play a dominant
role in the formation of humic matter. Parts of the phenol-protein
theory ... the melanoidin pathway or
Maillard's reaction. Sugar and amino acid form the starting points,
instead of lignin or phenol and quinone, as is the case in the...
Humic Matter in Soil and the Environment: Principles and Controversies - Chapter 5 pot
... of Humic Matter
13 1
minimal. Most of the liberated carbon is apparently retained in the soil
in the form of humic matter, since both humic and fulvic acids exhibit
C
contents in the range ... Redon Soils
HA-Alfisols
HA-Andosols
HA-Oxisols
FA-Andosols
Temperate
Redons Soils
HA-Afisols
HA-Aridisols (Solonetz)
HA-Histosols (Peat-bogs)
HA-Inceptisols
HA-...
Humic Matter in Soil and the Environment: Principles and Controversies - Chapter 6 doc
...
Steelink (19 64) and Steelink and Tollin (19 67) were perhaps the
first who tried to apply ESR methods to show paramagnetism in humic
acids owing to the presence of semiquinones and hydroxy-quinones. ... including amino acids and amino
sugars. Indoles, pyrroles, imides and
lactam nitrogens are suspected
to be the reasons for the signals between 13 5 and 18 5 pp...
Humic Matter in Soil and the Environment: Principles and Controversies - Chapter 7 pps
... (19 94) for his
1: 1
complexes of Cu and Zn
with fulvic and humic acids. The data in the table indicate that com-
paratively the value of log
K,
increases from Mg-FA
-+
Zn-Fa and to
Cu-FA ... have the potential for enhancing
polymerization of humic matter by linking the individual molecules
together into chainlike structures. The metal -humic acid compl...
Humic Matter in Soil and the Environment: Principles and Controversies - Chapter 8 pptx
... utilizing N in nitrogen deficient soils. The increased
uptake is believed to have in turn a stimulating effect on the synthesis
of N-compounds in plants (Chaminade, 19 58; 19 66).
Humic- Phosphate ... Importance of Humic Matter
273
decomposition process, on the other hand
N
is being added in the
humic structure. These processes cause the C/N ratio of the hu...
LUYỆN ĐỌC TIẾNG ANH QUA CÁC TÁC PHẨM VĂN HỌC – THE MAN IN THE IRON MASK ALEXANDRE DUMAS CHAPTER 1 ppt
... fragments in my coat, and helping
myself with my feet against the side of the pit, and clinging on with my hands,
agile and vigorous as I was, and above all pressed for time, I regained the brink, ... men upon their destruction, I made fast one end of the
rope to the bottom of the well-curb; I left the bucket hanging about three feet
under water ,- at the same...
Soil and Environmental Analysis: Modern Instrumental Techniques - Chapter 1 ppt
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