Releasing Pattern Of Applied Phosphorus And Distribution Change Of Phosphorus Fraction In The Acid Upland Soils With Successive Resin Extraction
Releasing Pattern of Applied Phosphorus and Distribution Change
of Phosphorus Fractions in the Acid Upland Soils
with Successive Resin Extraction
Arief Hartono J
Received 9 January 2007/ Accepted /9 December 2007
ABSTRACT
Releasing Pattern of Applied Phosphorus and Distribution Change of Phosphorus Fractions in the Acid
Upland Soils with Successive Resin Extraction (A. Hartono): The releasing pattern of applied P in the acid
upland soils and the soil properties influencing the pattern were studied. Surface horizons of six acid upland soils
from Sumatra, Java and Kalimantan were used in this study. The releasing pattern of applied P (300 mg P kg'l) of
these soils were studied by successive resin extraction. P fractionation was conducted to evaluate which fractions
released P to the soil solution after successive resin extraction. The cumulative of resinPjlllltganic (Pi) release of soils
was fitted to the first order kinetic. Regression ｡ｮｬｹｳｾ＠
using factor scores obtained from the previous principal
components analyses was applied to determine soil properties influencing P releasing pattern. The results suggested
that the maximum P release was significantly (P
1!
g,.
... r:
i
100
.A.
'iI
]
SO
ｾ＠
(3
•
t
•
%
+
X
.A.
•
ｾ＠
::t::
X
• •t • •
•
* *
e
::t::
tIItI
.w
:::too
g,.
X
.A.
•
•
• x x
e
X
X
X
+ Darmaga
• Gajrug
... Pringsurat
XPDl
)t( Kota Bangun
eSMBP
0
0
6
4
8
Numb e r Q f extraction
Figure 2. Cumulative of resinPi release extracted by successive resin extraction.
Table 4. The parameters of the equation.
Location
Depth (em)
Ie
A (mgP kg'!)
014
09
013
014
0.40
0.46
0.64
0.88
128
190
188
205
0.975
0.985
0.945
0.914
04
0.53
0.21
232
200
0.972
0.995
High fixing
PDt
Pringsurat
Darmaga
Gajrug
Low fixing
Kota Bangun
SMBP
Oll
91
A. Harlono: Releasing Pattern and Change ofPhosphorus Fractions with Resin
Table 5. P distribution after successive extraction excluded resinPi of 300 mg P kg'l added P.
Location
Depth (cm)
NaOHP
HCIPi
NaOHPo
NaOHPi
........................................mg P k g ,I .........................................
NaHCO)P
NaHCO)Pj
NaHC03Po
High fixing
PDl
Pringsurat
Darmaga
Gajrug
014
09
013
014
9
7
4
3
Low fixing
KotaBangun
SMBP
04
011
16
31
64
46
12
0
0
2
2
2
27
71
0
0
2
7
5
100
I
72
2
I
0
0
I
3
Contribution from NaHC0 3Pj and NaOHP j to
the total P released from 2 nd to 8th extraction were
calculated from the decrease of the data of P
transformation experiment (Table 3) compared to
the data of P distribution after successive extraction
(Table 5).
The total P released from 2nd to 8th is presented
in Table 6. The percentage of contribution of
NaHC0 3P j and NaOHP; to the total P released
••
•
firom 2nd t 0 8th extractIon
IS presented m Table 7.
In high oxides soils (PO I, Oarmaga, Gajrug,
Pringsurat ) more than 60% of P release derived
from NaOHP; while in low oxides soils (Kota
Bangun and SMBP) more than 50% P release
derived from NaHC03Pj and only small amount P
release derived from NaOHP; fraction. In soils
from Kota Bangun and SMBP there was 28%
contribution of P released from unknown fraction.
This was probably derived from residual P.
The Changes of P Distribution after Successive
Resin Extraction of Soil Samples
The changes of P distribution after successive
extraction of soil samples was evaluated to
investigate how P released from P stronger bond
fractions.
The P distribution after successive
extraction of soils samples except resinPi is
presented in Table 5.
The amounts ofNaHC0 3P j and NaOHP j were
decreased after successive resin extraction.
Compared to initial P fraction distribution (Table
3), it suggested that both labile and less labile P j in
the fOr:" of NaHC03Pj and NaOHP; fractions,
respectIvely, can transform into resinPi when the
resmPi decrease. The resinPj, NaHC03Pi and
NaOHPj appeared to be in equilibrium. Most of P
rel:ased ｩｾ＠ high oxides soils namely Oarmaga,
GaJrug, Prmgsurat and POI were from NaOHP
fraction while low oxides soils, namely KoU:
ｂ｡ｮｾｵ＠
and SMBP were from NaHCO:\P j.
Table 6. P ｲ･ｬ｡ｾ､＠
in the form ofresinP; from lSI to 8th extraction and total P released from 2nd to Sth
extraction.
Location
High fixing
POI
Pringsurat
Oarmaga
Gajrug
Depth
(cm)
014
09
013
014
04
011
Extraction number
Total P released from
2
3
4
5
6
7
8
2 nd to 8th extraction
..................................................gPkg,I .........................................................
49
100
132
21
39
33
31
16
24
16
IS
II
15
15
108
43
43
2S
25
22
77
7
II
9
II
12
8
7
6
20
IS
13
15
10
13
9
7
II
5
6
6
5
115
93
5
4
83
12
14
3
10
126
120
77
Low fixing
KotaBangun
SMBP
92
J. Tanah Trop., VoL 13, No.2, 2008: 87-94
nd
Table 7. Contribution from NaHC03P j and NaOHP j fractions to total P released from 2 to Sib extraction.
Location
Total P released
from 2nd to 8th
extraction
(mg P kg· l )
Decrease of
NaHC0 3Pj
(mg P kg· l )
Percentage of
Decrease of
NaHC0 3Pj
NaOHP;
contribution
(mg P kg· l )
(%)
Percentage of Percentage of
contribution
NaOHP;
contribution of unknown
fraction (%)
(%)
Higb fixing
PDl
Pringsurat
Darmaga
Gajrug
115
93
83
25
30
19
6
32
26
20
7
53
91
67
69
126
120
69
75
55
63
22
77
83
0
0
9
10
17
9
28
28
69
79
72
Low Fixing
Kota Bangun
SMBP
Among the high oxides soils, NaHC0 3Pj,
which originally occupied a small portion, seems to
be firstly depleted. According to Table 3 and 5, the
amount of NaOHP j which was left in that fraction
after the successive extraction was higher (65%) in
the soil from POI than in the soil from Pringsurat
(44%), suggesting that P in POI soil were more
difficult to release than that of Pringsurat soil due to
higher factor scores of PC,.
Concerning two soils from Kota Bangun and
SMBP, lower amounts of P was released from
NaOHPi fraction than that from NaHC03Pj (Table
7), indicating that NaHC03Pi was released first
when resinPi decreased.
These two soils
accumulated 300 mg P kg'\ added P in significant
amounts into NaHC0 3Pj fraction (Table 3). When
NaHC0 3P j was high, NaOHP i was relatively more
stable than NaHC0 3Pi despite resinPi removal as
shown clearly in soil from SMBP. The results
suggested that NaHC03Pj and NaOHPj are very
important P fractions in replenishing the labile
resinPi in these acid upland soils because
accumulation of added P mostly in these fractions
and they can be readily dissolved. It was reported
by Beck and Shanchez (1994), Guo el al. (2000),
and Zheng el al. (2003), NaOHPj was not a static
fraction, instead it declined under crop. However
for comparison, in Andisols the P replenishment
from this fraction was very slow as reported by
Beck el al. (1999). It suggested that chemisorbed P
which partly to crystalline Al and Fe oxides in these
soils was different from chemisorbed P to
amorphous AI and Fe oxides in Andisols in term of
bonding energy of P sorbed.
11
CONCLUSIONS
The study suggested that exchangeable AI
which is associated with smectite increased rate
constant of P released from soils.
The maximum P released was decreased by
oxiderelated factor i.e. aluminum (AI) plus 112 iron
(Fe) (by ammonium oxalate), crystalline AI and Fe
oxides, cation exchange capacity, and clay content
and increased by acidity plus 1.4 nm mineralsrelated factor i.e. exchangeable AI and 1.4 nm
minerals (smectite and vermiculite).
P fractionation analysis after successive resin
extraction showed that both labile and less labile Pj
in the form of NaHC03-Pj and NaOH-Pi fraction,
respectively, can transform when in the resin-Pi is
depleted. Most of P released in high oxides soils
were from NaOH-P j fraction while low oxides soils
were from NaHC03-P i where P release from the
fonner fraction resulted in the a value lower than
that of the latter one. When NaHC03-Pi was high,
NaOH-Pi was relatively more stable than NaHC03Pi despite resin-Pi removal.
NaHC03-P j and NaOH-P j are very important P
fractions in replenishing the most labile P (resin-Pi)
in these acid upland soils.
REFERENCES
Amer, F., D.R. Bouldin, C. A. Black, and F. R Duke.
1955. Characterization of soil phosphorus by anion
exchange resin adsorption and 32p equilibration.
Plant Soil 6: 391-408.
Beck, M.A, W.P. Robarge, and S.W. Buol. 1999.
Phosphorus retention and release of anions and
A. fltlrtono: Releasing Pattern and Change ofPhosphorus Fractions with Resin
organic carbon by two Andisols. Eur. J. Soil Sci.
50: ) 57164.
Beck, M.A. and P.A. Sanchez. 1994. Soil phosphorus
fraction dynamics during 18 years of cultivation on
a typic paleudult. Soil Sci. Soc. Am. J., 58: 1424
1431.
Dalal, R.C. 1985. Comparative prediction of yield
response and phosphorus uptake from soil using
anionand cationanion exchange resins. Soil Sci.
139: 227231.
Delgado, A. and J. Torrent. 2000. Phosphorus forms and
desorption patterns in heavily fertilized calcareous
and limed acid soils. Soil Sci. Soc. Am. J. 64: 2031
2037.
Guo, F., R.S. Yost, N.V. Hue, C.l. Evensen, and J.A.
Silva. 2000. Changes in phosphorus fractions in
soils under intensive plant growth. Soil Sci. Soc.
Am. J. 64: 16811689.
Hartono, A., S. Funakawa and T. Kosaki. 2005.
Phosphorus sorptiondesorption characteristics of
selected acid upland soils in Indonesia. Soil Sci.
Plant Nutr. 51: 787799.
Hartono, A., S. Funakawa and T. Kosaki. 2006.
Transformation of added phosphorus to acid upland
soils with different soil properties in Indonesia. Soil
Sci. Plant Nutr. 52: 734744
Lookman, R., D. Freese, R. Merckx, K. Vlassak, and W.
H. Van Riemsdijk. 1995. Longterm kinetics of
phosphate release from soil. Environ. Sci. Techno!.
29: 15691575.
Maguire, R.O., R.H. Foy, J.S. Bailey, and J.T. Sims.
200 I. Estimation of the phosphorus sorption
capacity of acidic soils in Ireland. Eur. J. Soil Sci.
52: 479487.
Mattingly, G.E.G. 1975. Labile phosphorus in soils.
Soil Sci. 119: 369·375.
Murphy, J. and J.P. Riley. ) 962. A modified single
solution method for the determination of phosphate
in natural waters. Anal. Chim. Acta 27: 3136.
Saavedra, Co and A. Delgado. 2005. Phosphorus
fractions and release patterns in typical
Mediterranean soils. Soil Sci. Soc. Am. J. 69: 607
615.
Saggar, S., MJ. Hedley, and R.E. White. 1990. A
simplified resin membrane technique for extracting
phosphorus from soils. Fert. Res. 24: 173180.
Sibbesen, E. 1978. An investigation of anion exchange
resin method for soil phosphate extraction. Plant
Soil 50: 305321.
Subagyo, H., N. Suharto, and A.B. Siswanto. 2000.
Agricultural lands in Indonesia. In Indonesian Land
Resources and Its management. p. 2165, Center for
Soil and Agroclimate Research, (in Indonesian).
Tiessen, H., and J.O. Moir. 1993. Characterization of
available P by sequential extraction. In Soil
Sampling and Methods of Analysis, Ed. MR Carter,
p. 7586, Canadian Society of Soil Science, Lewis
Publishers.
Vadas, P.A. and J.T. Sims. 2002. Predicting phosphorus
desorption from MidAtlantic coastal plain soils.
Soil Sci. Soc. Am. J. 66: 623631.
Van Raij, B., J.A. Quaggio, and N.M. Da Silva. 1986.
Extraction of phosphorus, potassium, calcium and
magnesium from soils by an ionexchange resin
procedure. Commun. Soil Sci. Plant Anal. 17: 547
566.
Zheng, Z., L.E. Parent, and J.A. MacLeod. 2003.
Influence of soil texture on fertilizer and soil
phosphorus transformations in Gleysolic soils. Can.
J. Soil Sci. 83: 395403.
Releasing Pattern of Applied Phosphorus and Distribution Change
of Phosphorus Fractions in the Acid Upland Soils
with Successive Resin Extraction
Arief Hartono J
Received 9 January 2007/ Accepted /9 December 2007
ABSTRACT
Releasing Pattern of Applied Phosphorus and Distribution Change of Phosphorus Fractions in the Acid
Upland Soils with Successive Resin Extraction (A. Hartono): The releasing pattern of applied P in the acid
upland soils and the soil properties influencing the pattern were studied. Surface horizons of six acid upland soils
from Sumatra, Java and Kalimantan were used in this study. The releasing pattern of applied P (300 mg P kg'l) of
these soils were studied by successive resin extraction. P fractionation was conducted to evaluate which fractions
released P to the soil solution after successive resin extraction. The cumulative of resinPjlllltganic (Pi) release of soils
was fitted to the first order kinetic. Regression ｡ｮｬｹｳｾ＠
using factor scores obtained from the previous principal
components analyses was applied to determine soil properties influencing P releasing pattern. The results suggested
that the maximum P release was significantly (P
1!
g,.
... r:
i
100
.A.
'iI
]
SO
ｾ＠
(3
•
t
•
%
+
X
.A.
•
ｾ＠
::t::
X
• •t • •
•
* *
e
::t::
tIItI
.w
:::too
g,.
X
.A.
•
•
• x x
e
X
X
X
+ Darmaga
• Gajrug
... Pringsurat
XPDl
)t( Kota Bangun
eSMBP
0
0
6
4
8
Numb e r Q f extraction
Figure 2. Cumulative of resinPi release extracted by successive resin extraction.
Table 4. The parameters of the equation.
Location
Depth (em)
Ie
A (mgP kg'!
of Phosphorus Fractions in the Acid Upland Soils
with Successive Resin Extraction
Arief Hartono J
Received 9 January 2007/ Accepted /9 December 2007
ABSTRACT
Releasing Pattern of Applied Phosphorus and Distribution Change of Phosphorus Fractions in the Acid
Upland Soils with Successive Resin Extraction (A. Hartono): The releasing pattern of applied P in the acid
upland soils and the soil properties influencing the pattern were studied. Surface horizons of six acid upland soils
from Sumatra, Java and Kalimantan were used in this study. The releasing pattern of applied P (300 mg P kg'l) of
these soils were studied by successive resin extraction. P fractionation was conducted to evaluate which fractions
released P to the soil solution after successive resin extraction. The cumulative of resinPjlllltganic (Pi) release of soils
was fitted to the first order kinetic. Regression ｡ｮｬｹｳｾ＠
using factor scores obtained from the previous principal
components analyses was applied to determine soil properties influencing P releasing pattern. The results suggested
that the maximum P release was significantly (P
1!
g,.
... r:
i
100
.A.
'iI
]
SO
ｾ＠
(3
•
t
•
%
+
X
.A.
•
ｾ＠
::t::
X
• •t • •
•
* *
e
::t::
tIItI
.w
:::too
g,.
X
.A.
•
•
• x x
e
X
X
X
+ Darmaga
• Gajrug
... Pringsurat
XPDl
)t( Kota Bangun
eSMBP
0
0
6
4
8
Numb e r Q f extraction
Figure 2. Cumulative of resinPi release extracted by successive resin extraction.
Table 4. The parameters of the equation.
Location
Depth (em)
Ie
A (mgP kg'!)
014
09
013
014
0.40
0.46
0.64
0.88
128
190
188
205
0.975
0.985
0.945
0.914
04
0.53
0.21
232
200
0.972
0.995
High fixing
PDt
Pringsurat
Darmaga
Gajrug
Low fixing
Kota Bangun
SMBP
Oll
91
A. Harlono: Releasing Pattern and Change ofPhosphorus Fractions with Resin
Table 5. P distribution after successive extraction excluded resinPi of 300 mg P kg'l added P.
Location
Depth (cm)
NaOHP
HCIPi
NaOHPo
NaOHPi
........................................mg P k g ,I .........................................
NaHCO)P
NaHCO)Pj
NaHC03Po
High fixing
PDl
Pringsurat
Darmaga
Gajrug
014
09
013
014
9
7
4
3
Low fixing
KotaBangun
SMBP
04
011
16
31
64
46
12
0
0
2
2
2
27
71
0
0
2
7
5
100
I
72
2
I
0
0
I
3
Contribution from NaHC0 3Pj and NaOHP j to
the total P released from 2 nd to 8th extraction were
calculated from the decrease of the data of P
transformation experiment (Table 3) compared to
the data of P distribution after successive extraction
(Table 5).
The total P released from 2nd to 8th is presented
in Table 6. The percentage of contribution of
NaHC0 3P j and NaOHP; to the total P released
••
•
firom 2nd t 0 8th extractIon
IS presented m Table 7.
In high oxides soils (PO I, Oarmaga, Gajrug,
Pringsurat ) more than 60% of P release derived
from NaOHP; while in low oxides soils (Kota
Bangun and SMBP) more than 50% P release
derived from NaHC03Pj and only small amount P
release derived from NaOHP; fraction. In soils
from Kota Bangun and SMBP there was 28%
contribution of P released from unknown fraction.
This was probably derived from residual P.
The Changes of P Distribution after Successive
Resin Extraction of Soil Samples
The changes of P distribution after successive
extraction of soil samples was evaluated to
investigate how P released from P stronger bond
fractions.
The P distribution after successive
extraction of soils samples except resinPi is
presented in Table 5.
The amounts ofNaHC0 3P j and NaOHP j were
decreased after successive resin extraction.
Compared to initial P fraction distribution (Table
3), it suggested that both labile and less labile P j in
the fOr:" of NaHC03Pj and NaOHP; fractions,
respectIvely, can transform into resinPi when the
resmPi decrease. The resinPj, NaHC03Pi and
NaOHPj appeared to be in equilibrium. Most of P
rel:ased ｩｾ＠ high oxides soils namely Oarmaga,
GaJrug, Prmgsurat and POI were from NaOHP
fraction while low oxides soils, namely KoU:
ｂ｡ｮｾｵ＠
and SMBP were from NaHCO:\P j.
Table 6. P ｲ･ｬ｡ｾ､＠
in the form ofresinP; from lSI to 8th extraction and total P released from 2nd to Sth
extraction.
Location
High fixing
POI
Pringsurat
Oarmaga
Gajrug
Depth
(cm)
014
09
013
014
04
011
Extraction number
Total P released from
2
3
4
5
6
7
8
2 nd to 8th extraction
..................................................gPkg,I .........................................................
49
100
132
21
39
33
31
16
24
16
IS
II
15
15
108
43
43
2S
25
22
77
7
II
9
II
12
8
7
6
20
IS
13
15
10
13
9
7
II
5
6
6
5
115
93
5
4
83
12
14
3
10
126
120
77
Low fixing
KotaBangun
SMBP
92
J. Tanah Trop., VoL 13, No.2, 2008: 87-94
nd
Table 7. Contribution from NaHC03P j and NaOHP j fractions to total P released from 2 to Sib extraction.
Location
Total P released
from 2nd to 8th
extraction
(mg P kg· l )
Decrease of
NaHC0 3Pj
(mg P kg· l )
Percentage of
Decrease of
NaHC0 3Pj
NaOHP;
contribution
(mg P kg· l )
(%)
Percentage of Percentage of
contribution
NaOHP;
contribution of unknown
fraction (%)
(%)
Higb fixing
PDl
Pringsurat
Darmaga
Gajrug
115
93
83
25
30
19
6
32
26
20
7
53
91
67
69
126
120
69
75
55
63
22
77
83
0
0
9
10
17
9
28
28
69
79
72
Low Fixing
Kota Bangun
SMBP
Among the high oxides soils, NaHC0 3Pj,
which originally occupied a small portion, seems to
be firstly depleted. According to Table 3 and 5, the
amount of NaOHP j which was left in that fraction
after the successive extraction was higher (65%) in
the soil from POI than in the soil from Pringsurat
(44%), suggesting that P in POI soil were more
difficult to release than that of Pringsurat soil due to
higher factor scores of PC,.
Concerning two soils from Kota Bangun and
SMBP, lower amounts of P was released from
NaOHPi fraction than that from NaHC03Pj (Table
7), indicating that NaHC03Pi was released first
when resinPi decreased.
These two soils
accumulated 300 mg P kg'\ added P in significant
amounts into NaHC0 3Pj fraction (Table 3). When
NaHC0 3P j was high, NaOHP i was relatively more
stable than NaHC0 3Pi despite resinPi removal as
shown clearly in soil from SMBP. The results
suggested that NaHC03Pj and NaOHPj are very
important P fractions in replenishing the labile
resinPi in these acid upland soils because
accumulation of added P mostly in these fractions
and they can be readily dissolved. It was reported
by Beck and Shanchez (1994), Guo el al. (2000),
and Zheng el al. (2003), NaOHPj was not a static
fraction, instead it declined under crop. However
for comparison, in Andisols the P replenishment
from this fraction was very slow as reported by
Beck el al. (1999). It suggested that chemisorbed P
which partly to crystalline Al and Fe oxides in these
soils was different from chemisorbed P to
amorphous AI and Fe oxides in Andisols in term of
bonding energy of P sorbed.
11
CONCLUSIONS
The study suggested that exchangeable AI
which is associated with smectite increased rate
constant of P released from soils.
The maximum P released was decreased by
oxiderelated factor i.e. aluminum (AI) plus 112 iron
(Fe) (by ammonium oxalate), crystalline AI and Fe
oxides, cation exchange capacity, and clay content
and increased by acidity plus 1.4 nm mineralsrelated factor i.e. exchangeable AI and 1.4 nm
minerals (smectite and vermiculite).
P fractionation analysis after successive resin
extraction showed that both labile and less labile Pj
in the form of NaHC03-Pj and NaOH-Pi fraction,
respectively, can transform when in the resin-Pi is
depleted. Most of P released in high oxides soils
were from NaOH-P j fraction while low oxides soils
were from NaHC03-P i where P release from the
fonner fraction resulted in the a value lower than
that of the latter one. When NaHC03-Pi was high,
NaOH-Pi was relatively more stable than NaHC03Pi despite resin-Pi removal.
NaHC03-P j and NaOH-P j are very important P
fractions in replenishing the most labile P (resin-Pi)
in these acid upland soils.
REFERENCES
Amer, F., D.R. Bouldin, C. A. Black, and F. R Duke.
1955. Characterization of soil phosphorus by anion
exchange resin adsorption and 32p equilibration.
Plant Soil 6: 391-408.
Beck, M.A, W.P. Robarge, and S.W. Buol. 1999.
Phosphorus retention and release of anions and
A. fltlrtono: Releasing Pattern and Change ofPhosphorus Fractions with Resin
organic carbon by two Andisols. Eur. J. Soil Sci.
50: ) 57164.
Beck, M.A. and P.A. Sanchez. 1994. Soil phosphorus
fraction dynamics during 18 years of cultivation on
a typic paleudult. Soil Sci. Soc. Am. J., 58: 1424
1431.
Dalal, R.C. 1985. Comparative prediction of yield
response and phosphorus uptake from soil using
anionand cationanion exchange resins. Soil Sci.
139: 227231.
Delgado, A. and J. Torrent. 2000. Phosphorus forms and
desorption patterns in heavily fertilized calcareous
and limed acid soils. Soil Sci. Soc. Am. J. 64: 2031
2037.
Guo, F., R.S. Yost, N.V. Hue, C.l. Evensen, and J.A.
Silva. 2000. Changes in phosphorus fractions in
soils under intensive plant growth. Soil Sci. Soc.
Am. J. 64: 16811689.
Hartono, A., S. Funakawa and T. Kosaki. 2005.
Phosphorus sorptiondesorption characteristics of
selected acid upland soils in Indonesia. Soil Sci.
Plant Nutr. 51: 787799.
Hartono, A., S. Funakawa and T. Kosaki. 2006.
Transformation of added phosphorus to acid upland
soils with different soil properties in Indonesia. Soil
Sci. Plant Nutr. 52: 734744
Lookman, R., D. Freese, R. Merckx, K. Vlassak, and W.
H. Van Riemsdijk. 1995. Longterm kinetics of
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Releasing Pattern of Applied Phosphorus and Distribution Change
of Phosphorus Fractions in the Acid Upland Soils
with Successive Resin Extraction
Arief Hartono J
Received 9 January 2007/ Accepted /9 December 2007
ABSTRACT
Releasing Pattern of Applied Phosphorus and Distribution Change of Phosphorus Fractions in the Acid
Upland Soils with Successive Resin Extraction (A. Hartono): The releasing pattern of applied P in the acid
upland soils and the soil properties influencing the pattern were studied. Surface horizons of six acid upland soils
from Sumatra, Java and Kalimantan were used in this study. The releasing pattern of applied P (300 mg P kg'l) of
these soils were studied by successive resin extraction. P fractionation was conducted to evaluate which fractions
released P to the soil solution after successive resin extraction. The cumulative of resinPjlllltganic (Pi) release of soils
was fitted to the first order kinetic. Regression ｡ｮｬｹｳｾ＠
using factor scores obtained from the previous principal
components analyses was applied to determine soil properties influencing P releasing pattern. The results suggested
that the maximum P release was significantly (P
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i
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.A.
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Numb e r Q f extraction
Figure 2. Cumulative of resinPi release extracted by successive resin extraction.
Table 4. The parameters of the equation.
Location
Depth (em)
Ie
A (mgP kg'!