Biochar: Visual Impressions

 

Experimental fields in the Llanos of Colombia, showing maize growth with 0, 8 and 20 t/ha (from left to right) biochar dry matter applied two years before the photo was taken (J. Lehmann, photo).

Experimental fields in Upstate New York after application of biochar (C. Hyland)

Experimental fields with different rates of biochar applied to a Colombian savanna soil (J. Major).

Unraveling the secret why biochar is so effective,- the lab at Brookhaven National Laboratories.