Hemp hurd now strengthens biodegradable plastic.

Weak biodegradable plastics have struggled to replace conventional plastic commercially.

Researchers say the technique also works on other crop leftovers, including soybean stalks and rice straw.

Rice straw and soybean stalks are routinely burned in fields across Asia.

How each outlet framed it
Phys.org
emphasizes scalability of agricultural waste (hemp, soy stalks, rice straw) as reinforcement material for biodegradable plastics

Sources: Phys.org