Furthermore, when plant residues and roots decompose, the carbon they contain is transformed primarily into soil organic matter and carbon based gases.
(plant residues and roots; decompose; ) (the carbon; contain; they) (the carbon they contain; is transformed; primarily into soil organic matter and carbon based gases; T:when plant residues and roots decompose)
plant residues and roots the carbon the carbon they contain
decompose contain is transformed
they
primarily into soil organic matter and carbon based gases T:when plant residues and roots decompose