ISIS MALIGNANI CERVIGNANO DEL FRIULI INTERMEDIATE...
Transcript of ISIS MALIGNANI CERVIGNANO DEL FRIULI INTERMEDIATE...
Technical Day
Nova Gorica, 28/02/2014
ISIS MALIGNANI
CERVIGNANO DEL FRIULI
INTERMEDIATE REPORT
YEAR 2013 – Part one
Study of the behaviour of N coming from fertilizers added in different oxidation states
Analysis of NH4
+ Ammonium NO2
- Nitrites
NO3- Nitrates
Two types of soils
Microcosmos experimental trials NITROGEN
NITROGEN experiments
Soil characterization
Soil pH Texture Limestone (CaCO3 %)
Cationic exchange capacity
(cmol/kg)
Organic carbon
C %
Fossalon 7,8 Clay-loam 48,8 31,4 3,0
Cervignano 7,4 Clay-loam 17,1 23,8 2,5
Experimental part - Summer stage
350 Kg/ha of Nitrogen added
Thesis 1: Ca(NO3)2 added
Thesis 2: (NH4)2SO4 + NH4NO3 added
Thesis 3: Control (blanck)
Six elutions with 350 mL water
(equivalent to 50 mm of rain)
from 06/06/2013
to 11/07/2013
The percolates have been
collected, measured in volume
and analyzed for NH4 – NO2 - NO3
Results
0
10
20
30
40
50
60
FOSSALON control plus Nitrates
plus ammonium
FOSSALON SOIL
TOTAL N as Kg N/ha (NH4+NO2+NO3)
0,00
20,00
40,00
60,00
80,00
100,00
120,00
140,00
N tot kg/ha
Date
Terreno Orsaria - Azoto totale dilavato (NH4+, NO2-, NO3-)
TESI 1 Orsaria controllo
TESI 2 Orsaria 350 kg/ha N Ca(NO3)2
TESI 3 Orsaria 350 kg/ha N (NH4)2SO4 NH4NO3
TESI 4 Orsaria 350 kg/ha N (NH4)2SO4 NH4NO3 3,4 DMPP
0,00
5,00
10,00
15,00
20,00
25,00
N t
ot
kg
/ha
Date
Rocca Bernarda - Azoto totale dilavato (NH4+, NO2
-, NO3-)
TESI 5 Rocca Bernarda controllo
TESI 6 Rocca Bernarda 350 kg/ha N Ca(NO3)2
TESI 7 Rocca Bernarda 350 kg/ha N (NH4)2SO4 NH4NO3
TESI 8 Rocca Bernarda 350 kg/ha N (NH4)2SO4 NH4NO3 3,4 DMPP
Results
CERVIGNANO SOIL
TOTAL N as Kg N/ha (NH4+NO2+NO3)
0,00
20,00
40,00
60,00
80,00
100,00
120,00
140,00
N tot kg/ha
Date
Terreno Orsaria - Azoto totale dilavato (NH4+, NO2-, NO3-)
TESI 1 Orsaria controllo
TESI 2 Orsaria 350 kg/ha N Ca(NO3)2
TESI 3 Orsaria 350 kg/ha N (NH4)2SO4 NH4NO3
TESI 4 Orsaria 350 kg/ha N (NH4)2SO4 NH4NO3 3,4 DMPP
0,00
5,00
10,00
15,00
20,00
25,00
N t
ot
kg
/ha
Date
Rocca Bernarda - Azoto totale dilavato (NH4+, NO2
-, NO3-)
TESI 5 Rocca Bernarda controllo
TESI 6 Rocca Bernarda 350 kg/ha N Ca(NO3)2
TESI 7 Rocca Bernarda 350 kg/ha N (NH4)2SO4 NH4NO3
TESI 8 Rocca Bernarda 350 kg/ha N (NH4)2SO4 NH4NO3 3,4 DMPP
0
10
20
30
40
50
60
70
80
CERVIGNANO control plus Nitrates
plus Ammonium
73.6
220.2 207.7
0.0
50.0
100.0
150.0
200.0
250.0
Control plus Nitrates plus Ammonium
Kg N/ha Fossalon soil
115,71
360,41
246,10 245,36
0,00
50,00
100,00
150,00
200,00
250,00
300,00
350,00
400,00
TESI 1 Orsaria controllo TESI 2 Orsaria 350 kg/ha NCa(NO3)2
TESI 3 Orsaria 350 kg/ha N(NH4)2SO4 NH4NO3
TESI 4 Orsaria 350 kg/ha N(NH4)2SO4 NH4NO3 3,4
DMPP
kg
/ha
N
Terreno Orsaria - azoto totale dilavato kg/ha
72.4
271.2
167.6
0.0
50.0
100.0
150.0
200.0
250.0
300.0
Control plus Nitrates plus
Ammonium
Kg N/ha Cervignano soil
16,47
122,63
109,64
48,06
0,00
20,00
40,00
60,00
80,00
100,00
120,00
140,00
TESI 5 Rocca Bernardacontrollo
TESI 6 Rocca Bernarda350 kg/ha N Ca(NO3)2
TESI 7 Rocca Bernarda350 kg/ha N (NH4)2SO4
NH4NO3
TESI 8 Rocca Bernarda350 kg/ha N (NH4)2SO4
NH4NO3 3,4 DMPP
kg
/ha
N
Terreno Rocca Bernarda - azoto totale dilavato kg/ha
\ \
Conclusions
350
198.8
95.2
0
50
100
150
200
250
300
350
400
Nitrogen
added
plus
Nitrates
plus
Ammonium
350
106,1793,17
31,60
0
50
100
150
200
250
300
350
400
Apporti totali TESI 6 Rocca Bernarda 350kg/ha N Ca(NO3)2
TESI 7 Rocca Bernarda 350kg/ha N (NH4)2SO4 NH4NO3
TESI 8 Rocca Bernarda 350kg/ha N (NH4)2SO4 NH4NO3
3,4 DMPP
kg
/ha
N
Terreno Rocca Bernarda - azoto totale dilavato kg/ha ( al netto del
controllo )
350
146.6 134.1
0
50
100
150
200
250
300
350
400
Nitrogen
added
plus Nitrates plus
Ammonium
350
244,70
130,39 129,65
0
50
100
150
200
250
300
350
400
Apporti totali TESI 2 Orsaria 350 kg/ha NCa(NO3)2
TESI 3 Orsaria 350 kg/ha N(NH4)2SO4 NH4NO3
TESI 4 Orsaria 350 kg/ha N(NH4)2SO4 NH4NO3 3,4
DMPP
kg
/h
a N
Terreno Orsaria - azoto totale dilavato kg/ha ( al netto del controllo )
FOSSALON soil TOTAL N as Kg N/ha
\ \
CERVIGNANO SOIL
YEAR 2013 – Part two
Study of the behaviour of Chromium in soils
- added as pure salt of Cr(III) or Cr(VI)
- when coming from industrial sludges used
as fertilizers i.e. compost from tanneries – Cr(III)
Different oxidation states/different behaviour in soil
Cr(III) is a cation Cr3+
Cr(VI) is an anion CrO42-
Microcosmos experimental trials - CHROMIUM
Experimental part - Summer stage
Thesis 1 - Cr(NO3)3 added
1600 mg/Kg of Cr(III)
Thesis 2 - Tannery sludge
added
1600 mg/Kg of Cr(III)
Thesis 3 - K2CrO4 added
500 mg/Kg of Cr(VI)
+ Control (blanck)
Six elutions with 350 mL
water (50 mm of rain)
from 06/06/2013
to 11/07/2013
Experiments in double
Chromium experiments
First results (I)
4.727 5.487
-1.000
4.000
9.000
14.000 6.5
.20
13
6.7
.20
13
6.9
.20
13
6.1
1.2
013
6.1
3.2
013
6.1
5.2
013
6.1
7.2
013
6.1
9.2
013
6.2
1.2
013
6.2
3.2
013
6.2
5.2
013
6.2
7.2
013
6.2
9.2
013
7.1
.20
13
7.3
.20
13
7.5
.20
13
7.7
.20
13
7.9
.20
13
7.1
1.2
013
mg Cr (VI)
Cr (VI) leaching from soil with Cr(VI) added
16
17
18
4.784 5.724
0.000
2.000
4.000
6.000
8.000
10.000
12.000
14.000
6.5
.20
13
6.7
.20
13
6.9
.20
13
6.1
1.2
013
6.1
3.2
013
6.1
5.2
013
6.1
7.2
013
6.1
9.2
013
6.2
1.2
013
6.2
3.2
013
6.2
5.2
013
6.2
7.2
013
6.2
9.2
013
7.1
.20
13
7.3
.20
13
7.5
.20
13
7.7
.20
13
7.9
.20
13
7.1
1.2
013
mg Cr (tot)
Cr (tot) leaching from soil with Cr(VI) added 16
17
18
First results (II)
0.076
0.045
0.000
0.020
0.040
0.060
0.080
0.100
0.120
0.140
6.5
.20
13
6.7
.20
13
6.9
.20
13
6.1
1.2
013
6.1
3.2
013
6.1
5.2
013
6.1
7.2
013
6.1
9.2
013
6.2
1.2
013
6.2
3.2
013
6.2
5.2
013
6.2
7.2
013
6.2
9.2
013
7.1
.20
13
7.3
.20
13
7.5
.20
13
7.7
.20
13
7.9
.20
13
7.1
1.2
013
mg Cr tot
Cr (tot) leaching on soil with Cr(III) salts added
16
19
20
0.021
0.000 0.000
0.096
0.056
0.021
-0.010
0.040
0.090
0.140
mg Cr (VI)
Cr (VI) leaching from soil with Cr(III) salts added 16
19
20
First results (III)
0.027
0.134
-0.020
0.030
0.080
0.130
0.180
6.5
.20
13
6.7
.20
13
6.9
.20
13
6.1
1.2
013
6.1
3.2
013
6.1
5.2
013
6.1
7.2
013
6.1
9.2
013
6.2
1.2
013
6.2
3.2
013
6.2
5.2
013
6.2
7.2
013
6.2
9.2
013
7.1
.20
13
7.3
.20
13
7.5
.20
13
7.7
.20
13
7.9
.20
13
7.1
1.2
013
mg Cr tot
Cr (tot) leaching from soil with tannery compost added
16
21
22
0,021 0.039
0.159
0.000
0.050
0.100
0.150
0.200 6
.5.2
01
3
6.7
.20
13
6.9
.20
13
6.1
1.2
013
6.1
3.2
013
6.1
5.2
013
6.1
7.2
013
6.1
9.2
013
6.2
1.2
013
6.2
3.2
013
6.2
5.2
013
6.2
7.2
013
6.2
9.2
013
7.1
.20
13
7.3
.20
13
7.5
.20
13
7.7
.20
13
7.9
.20
13
7.1
1.2
013
mg Cr (VI)
Cr (VI) leaching from soil with tannery compost added
16
21
22
In 2013 we just experimented materials and methods
YEAR 2014 We started with a new set of experiments
Study of the behaviour of Chromium in soils - added as pure salt - when coming from industrial sludges used as fertilizers (compost coming from tanneries) - in different situations more organic substrate more bacteria activity
Conclusions
New experimental plan
Thesis 1 - Cr(NO3)3 added
1600 mg/Kg of Cr(III)
Thesis 2 - Tannery sludge
added
1600 mg/Kg of Cr(III)
Thesis 3 - K2CrO4 added
150 mg/Kg of Cr(VI)
Thesis 4 - K2CrO4 added
150 mg/Kg of Cr(VI)
+ HUMIC ACIDS
Thesis 5 - K2CrO4 added
150 mg/Kg of Cr(VI)
+ GLUCOSE
Elutions
from 06/06/2013 to 11/07/2013
Experiments in double
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