Resource recycling method

Abstract

A resource recycling method that can efficiently utilize a large amount of harvest residues produced in agricultural fields as resources. The resource recycling method includes: a harvest residue collection step of collecting harvest residues produced in an agricultural field; an anaerobic treatment step of causing the harvest residues collected in the harvest residue collection step to undergo methane fermentation; and a returning step of returning fermentation residues produced in the anaerobic treatment step to the agricultural field. The method further includes a gasification treatment step of gasifying the harvest residues collected in the harvest residue collection step. The method adjusts the amount of harvest residues to be supplied to the gasification treatment step based on information about demand for the fermentation residues.

Dependencies are inferred from the claim text.