Gli epserimenti con il biochar

   

 

Esperimenti 2007-2010

ESPERIMENTI DI LABORATORIO ESPERIMENTI DI CAMPO ESPERIMENTI IN VIVAIO ESPERIMENTI IN VITRO

   

ESPERIMENTO IN LABORATORIO (VASO) 2007

OBIETTIVI: VALUTARE L’EFFETTO DI DOSI DIVERSE DI BIOCHAR SU UNA COLTURA A RAPIDO ACCRESCIMENTO Disegno sperimentale 6 concentrazioni di Biochar (0, 10, 30, 60, 100, 120 t ha-1) Loietto (Lolium perenne L.) 80 70

-2

s.s. (g m )

60 50 40 30 20 10 0 0

20

40

60

80

100

120

-1

BIOCHAR (t ha )  

     •                 



 

     

   

                   

 

  



 





 

 









  





 

 

    

                     •   •   •  •  •  

   

 

 



   

     

        

                  

   

        

       

          

 





















 







   

  

                      



 



   



   

      

 

Sperimentazione in vaso e in campo Udine       

    

      

  



 

              

 

 

           

             

Produzione totale p< 0.0001

-1

Total aboveground biomass (g DW pot )

120 a

100

a

a

a

a a

80

b

60

b

40

20

0

C

B

R

F

FB

FR

RB

FRB

100

80

60

a

a

ab ab

a

ab

ab

40

b

20

160

Raccolta luglio 2010 Raccolta ottobre 2010

-1

p = 0.009

Total aboveground biomass (g DW pot )

-1

Total aboveground biomass (g DW pot )

120

140 120 100 80 60 40 20 0

0

C

B

R

F

FB

FR

RB

FRB

C

B

R

F

FB

FR

RB

FRB

 

Nitrati e P assimilabile nel suolo N-NO3 Ottobre 2010 (p=0.1958)

15

10

P assimilabile (Olsen) 70 Luglio 2010 (p = 0.0419) Ottobre 2010 (p = 0.1182)

0 B

R

F

FB

FR

RB

65

FRB

-1

C

P (mg kg dry soil)

mg N-NO3 g dry soil

-1

20

60

55

50

45

40 C

B

F

R

FB

FR

RB

FRB

 



14

2009

2008

2010

12

Granella(t ha-1)

10

8

6

4

2

0 CT(08)



BC+R(08)



CT(09)



BC+R(09)



CT(10)



BC+R(10)



 

   

             

 

Produzione totale Pomodoro (bacca + veg)

Lattuga 3 cicli

1200

350

1000

300 250 2

[g/m ]

2

[g/m ]

800 600

200 150 100

400

50

200

0 0 Cons 0

Cons B

Conv 0

Conv B

Cons 0

Cons B

Conv 0

Conv B

primo ciclo

secondo ciclo

terzo ciclo

totale

 

N-NO3- lisciviato cumulativo -

LATTUGA

18.00 16.00 14.00 12.00 10.00

S0

8.00 6.00 4.00 2.00 0.00

SB V0

N-NO3- lisciviato

POMODORO

VB 4.50

10/8

29/9

18/11

4.00

-

21/6

S0

3.50

SB

3.00

V0

2

2/5

[g/m N-NO3 ]

2

-

[g/m N-NO3 ]

N-NO3 lisciviato

2.50

VB

2.00 1.50 2/5

21/6

10/8

29/9

 

18/11

Sperimentazione futura             

 

Conclusioni                       

 

      

 

                           



    

PARTNER DI RICERCA    

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 