This standard applies to the construction planning, project proposal, feasibility study report, preliminary design and other documents for newly built, renovated (expanded) rural straw silage ammoniation facilities, as well as the evaluation, inspection and acceptance of project construction. Straw silage ponds and ammoniation ponds are representative of straw silage ammoniation facilities in rural areas, and silage ponds can also be used for straw ammoniation. This standard applies to straw silage tanks and ammoniation tanks. Other permanent straw silage ammoniation facilities may refer to this standard.