Plant and Fishing Farming BOX - WordPress.com · 2016. 4. 6. · Laboratory of Integrated and Urban...

B. Delaide, P.E. Lambrechts, S. Goddek,

N. Hanocq, G. Delhaye, J. Gott and M.H. Jijakli

Laboratory of Integrated and Urban Plant Pathology

mh.jijakli@ulg.ac.be

Plant and Fishing Farming BOX : review and perspective after 3 years of operation

AQUAPONIC SYSTEM : RAS + HYDROPONIC

Production with lower

environmental impact ???

Symbiosis:

Fish’s

microorganisms

plants

Fig : S. Goddek, Delaide B., et al., 2014 Aquaculture Engineering

Introduction ObjectivesPAFFBox

PAFFBox

PAFFBox2015

Aeroflots Conclusions

• General objectives : • Building of a compact aquaponic system

• Annual improvement of the system

• Evaluation of water quality

• Evaluation of plant and fish production

• Evaluation of water and electricity consumption

• Comparison of hydroponic, aquaponic and complemented aquaponic performance

PAFFBox

PAFFBox2015

• Objectives PAFF BOX 2013:

• Building of a compact aquaponic system

• Production and first harvest of fish’s and vegetable

PAFFBox

PAFFBox2015

• PAFFBox 2013

PAFFBox

PAFFBox2015

BIOFILTER

EBB and FLOW with clay beads

PAFFBox

PAFFBox2015

• Conclusions PAFF BOX 2013:

• Able to produce Tilapia

• Able to produce lettuces, basil, tomatoes,…

PAFFBox

PAFFBox2015

• Objectives PAFF BOX in 2014:

• Improvement of the aquaponic system

PAFFBox

PAFFBox2015

• Improvement of PAFFBox in 2014

RAFTINGEBB and FLOW

PAFFBox

PAFFBox 2015

PAFFBox

PAFFBox 2015

Ebb & flow < Raft Statistical yield differences during

2 or 3 cycles

Stress due to system adaptation ?

Interaction between roots and

solution not optimal ?

Ratio Root / Shoot

R/S Ebb >>> R/S Raft

Lettuces

Basils

PAFFBox

PAFFBox 2015

• Water quality in 2014

T° (C) pHEC sump

(µS/cm)DO (mg/L)

TAN (mg/l)

Mean 24,33 7,06 1754,18 4,80 0,63

SD 2,34 0,30 161,33 1,25 0,77

PAFFBox

PAFFBox 2015

TAN (mg/l) N-NO3 (mg/l) P (mg/L) K (mg/l) S (mg/L) Mg (mg/l) Ca (mg/l)

AP PAFF Box

HP Rech 1989

AP Rakocy

Concentration mean for 4 months period of PAFF BOX (18 March until 22 July)

18.mar 7.apr 27.apr 17.maj 6.jun 26.jun 16.jul

• Water quality dynamic and lettuce production

PAFFBox

PAFFBox 2015

1st cycle (33 days) 2nd cycle (33 days)

18.mar 7.apr 27.apr 17.maj 6.jun 26.jun 16.jul

• Water quality dynamic and lettuce production

204.80 ± 46.45

106.14 ± 24.44

179.14 ± 39.29

106.76 ± 17.64

Lettuce : cv. Blond

Lettuce : cv. Sucrine

PAFFBox

PAFFBox 2015

Mean and SD in g Mean and SD in g

• Tilapia production

Fish number Total Biomass (g) Average weight (g)

18 March 75 12 213 162.8

22 July 71 29 218 411.5

FCR 1.34

total feed (kg) 22 807

total days of rearing 126

mortality (%/d) 5.33

Growth Rate (g/d): 1.97

PAFFBox

PAFFBox 2015

• Electricity and water consumption

PAFFBox

PAFFBox 2015

16 June => 23 July

25 kWh/d in average

Total recharge water use (L) 7,808.1

Water use to fill up system (L) 2000

Average daily water recharge (L) 62.0

Daily water exchange (%) 3.1

Daily water exchange (L/kg feed) 342.5

• Objectives PAFF BOX 2015:

• Improvement of the aquaponic system

• Comparison between 2014 and 2015

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PAFFBox2015

• Improvement of PAFF Box in 2015

PAFFBox

PAFFBox2015

Filter

Only Raft

system

Air extractor

Ventomax

3.4.4.

• Water quality 2015 : Macronutrients

T° (C) pHEC sump

(µS/cm)DO (mg/L)

TAN (mg/l)

Mean 25.6 7,3 1052.8 4,38 0.71

SD 2.54 0,70 159.70 0.80 0.52

PAFFBox

PAFFBox2015

TAN (mg/l) N-NO3 (mg/l) P (mg/L) K (mg/l) S (mg/L) Mg (mg/l) Ca (mg/l)

AP PAFF Box

HP Rech 1989

AP Rakocy

Decrease in comparison with 2014

Concentration mean for 5 months period of PAFF BOX (22 April until 29 Sept)

2.04.2015 22.04.2015 12.05.2015 1.06.2015 21.06.2015 11.07.2015 31.07.2015 20.08.2015 9.09.2015 29.09.2015

• Water dynamic quality in 2015 : Macronutrientsmg/L

PAFFBox

PAFFBox2015

2.04.2015 22.04.2015 12.05.2015 1.06.2015 21.06.2015 11.07.2015 31.07.2015 20.08.2015 9.09.2015 29.09.2015

• Water quality dynamic in 2015 and lettuce productionmg/L

PAFFBox

PAFFBox2015

CV. Blonde 1st cycle 2nd cycle 3rd cycle

Mean (g) 176.5 181.3 19.6

SD 44.25 46.78 7.73

CV. Blonde 4st cycle 5th cycle 6th cycle

Mean (g) 256.8 233.8 106.3

SD 41.98 45.18 18.80

• Water quality 2015 : Micronutrientsµg/L

PAFFBox

PAFFBox2015

100,00

120,00

140,00

160,00

180,00

2.04.2015 22.04.2015 12.05.2015 1.06.2015 21.06.2015 11.07.2015 31.07.2015 20.08.2015 9.09.2015 29.09.2015

• Tilapia production

Number of fish Total Biomass (g) Average weight (g)

20 April 200 14 785 73.9

29 Sept 191 44 834 236.0

2014 2015FCR 1.34 1.56

total feed (kg) 22.81 46.90

total days of rearing 126 164

mortality (%/d) 5.33 5.0Growth Rate (g/d): 1.97 0.99

PAFFBox

PAFFBox2015

• Electricity and water consumption

22 April June => 29 Sept

37.8 kWh/d in average

2014 2015

Total recharge water use (L) 7,808.1 16,154.9

Water use to fill up system (L) 2000 2673.4

Average daily water recharge (L) 62.0 97.3

Daily water exchange (%) 3.1 3.6

Daily water exchange (L/kg feed) 342.5 243.3

PAFFBox

PAFFBox2015

• PAFF BOX conclusions :

• Able to produce fish’s and vegetable

• Comparison between 2014 and 2015• Slight differences for Tilapia rearing performance could be

explained by feed composition

• Differences in water quality (EC and macro-elements)

• However no or slight difference for lettuce growth

• Except 2 cycles in 2015 due to toxic support or light intensity decrease

• Development of plants with reasonable yield despite low concentrations in nutritive elements (N, P, K, Fe) whatever the year

PAFFBox

PAFFBox2015

• Objectives :

• Comparison of aquaponic (AP), hydroponic (HP) and complemented aquaponic (CAP) with additional nutritive elements

• Impact of water quality and nutrients level on lettuce growth

PAFFBox

PAFFBox2015

• Methods :

• Aeroflots systems :

• Each week : change of water • Aquaponic : 1/10 of RAS water + 9/10 rain water +

mineral salts to reach Rakocy values

• Hydroponic : 100 % rain water + mineral salts to reach Resh values for hydroponic lettuces

• Complemented aquaponic : 100% RAS water complemented with mineral salts

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PAFFBox2015

Weight mean of cv. sucrine

Root fresh weight Log10 Root/Shoot

CAP = Complemented aquaponic water

HP = Hydroponic water

AP = Aquaponic water

• Growth performance of cv. Sucrine :

2 trials with same trends and

an increase of 39 % of

weight between CAP and HP

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PAFFBox2015

• Comparison of water quality : Macroelements and TAN

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PAFFBox2015

Mean SD

CAP 215,54 28,13

HP 193,29 12,35

AP 50,31 1,80

CAP 25,79 3,09

HP 23,95 2,51

AP 1,82 1,35

CAP 52,66 2,42

HP 50,93 4,47

AP 7,83 0,52

CAP 66,72 6,97

HP 95,36 4,72

AP 10,99 1,17

CAP 219,31 39,46

HP 242,27 36,69

AP 59,51 7,89

CAP 175,09 14,87

HP 205,68 12,58

AP 14,72 2,03

CAP 43,02 4,44

HP 43,11 3,15

AP 7,36 0,64

• Comparison of water quality : Microelements

PAFFBox

PAFFBox2015

Mean SD

CAP 4,40 0,20

HP 3,83 0,29

AP 3,47 1,05

CAP 0,59 0,03

HP 0,51 0,08

AP 0,47 0,13

CAP 0,12 0,01

HP 0,09 0,01

AP 0,09 0,03

CAP 0,66 0,06

HP 0,64 0,10

AP 0,50 0,12

CAP 0,33 0,02

HP 0,32 0,04

AP 0,32 0,10

CAP 0,16 0,03

HP 0,15 0,01

AP 0,14 0,03

CAP 71,67 18,24

HP 7,95 4,52

AP 49,73 20,98

PAFFBox

PAFFBox2015

• Conclusions :

• PAFF BOX system was yearly improved

• Using reasonable water and energy, PAFF Box was able to provide fish’s and vegetable at a normal yield despite low concentration of nutritive elements (N, P, K and Fe)

• Compari

PAFFBox

PAFFBox2015

• Perspectives :

• How to explain such results : • Role of organic acids ?

• Role of microbiota ?

Bacteria

Rhizosphere

PAFFBox

PAFFBox2015

• Perspectives :

• How to explain such results : • Role of organic acids ?

• Role of microbiota ?

• Increase of sludge mineralisation

• Decoupled systems

CONTACT :Haïssam Jijakli

+32 499 261350

mh.jijakli@ulg.ac.be

www.agriculture-urbaine.be

B. Delaide

G. Delhaye

N. Hanocq

P.E. Lambrechts S. Goddek

J. Gott

Plant and Fishing Farming BOX - WordPress.com · 2016. 4. 6. · Laboratory of Integrated and Urban...

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