Agro-forest residue

Internal Bond (N/mm²)

100% Cassava starch

100% Urea formaldehyde

Ceiba

0.76^a (0.09)

0.83^a (0.06)

Plantain pseudostem

0.97^b (0.05)

1.14^b (0.03)

Cocoa pod

0.58^c (0.03)

0.63^c (0.09)

Cocoa stem

0.70^a (0.04)

0.80^a (0.07)