Crop

Experimental

Type

Soil

Region

Biochar

Application Rate

Effect

Authors

Cherry, tomato

Pot

Chromosol

Australasia

Wastewater sludge pyrolysed at 550˚C

10 ton/ha

64%

[116]

Wheat, Soybean, Radish

Ferrosol &

Calcerosol

Australasia

Pyrolysed paper grindery waste

10 ton/ha

Up to 225% rise in biomass production (soybean only: negative responses for wheat and soybean).

[115]

Rice (Oryza sativa L., cv Wuyunjing 7)

Field

China

10 & 40 ton/ha

Increase in rice yield of up to 14% in highest application rate and in the absence of applied N.

[117]

Maize

Pot

Ultisol

China

Rice straw, pyrolysed at 250˚C - 400˚C for 2 - 8 Hours.

1% ± NPK

Increased maize yield of 146% in the presence of NPK and 64% in its absence.

[118]

Maize

Pot

Top soil &

subsoil

South

America

sugarcane, bagasse

50 g kg/soil

+/−bio digest

waste(100kgN /ha)

Biochar improved green biomass growing of maize in top soil non-attendance and attendance of waste. Biochar increased green biomass in presence of effluent in subsoil.

[119]

Maize

Field

Degraded

Amazonian

South

America

Biochar doubled maize yield.

[120]

Radish

Pot

Alfisol

Australasia

Poultry litter, pyrolysed at 450˚C and 550˚C

0 - 50 ton/ha

+/− 100 kg N/ha

(+42%) at 10 ton/ha without N

(+96%) at 50 ton/ha without N

with N, lower temp material more effective.

[121]

Radish (Raphanus sativus)

Pot

Alfisol

Australasia

Green waste, pyrolysis

10 - 100 ton/ha

At highest rates with nitrogen (100 kg∙ha−1) application, +280% yield, compared to +95% in absence of biochar.

[122]