Xylylene dicarbamate contains impurities represented by formulas (1) to (4) below at a ratio of less than 100 ppm as a total amount thereof on a mass basis. ##STR00001## (In the above-described formulas (1) to (4), R represents a monovalent hydrocarbon group.)

A nitro compound represented by formula (1) which is a raw material for producing a compound represented by formula (7) can be produced by reacting at least one type selected from the group consisting of a compound represented by formula (2), a compound represented by formula (3), and a compound represented by formula (3) with a compound represented by formula (4). [In the formula, R.sup.1, R.sup.2, R.sup.3, and R.sup.4 are each independently a hydrogen atom, etc., X.sup.1 and X.sup.2 are each independently a chlorine atom, etc., R.sup.6, R.sup.7, R.sup.8, and R.sup.9 are a hydrogen atom, etc., provided that X.sup.1, X.sup.2, R.sup.6, R.sup.7, R.sup.8, and R.sup.9 are not all the same, X.sup.3, X.sup.4, and X.sup.5 are a halogen atom, R.sup.10 is a nitro group, etc., R.sup.5 is an alkyl group having 1 to 12 carbon atoms, etc., and M is an alkali metal atom.] ##STR00001##

The present disclosure provides compositions and methods for reducing emissions of deleterious atmospheric gases and/or precursors thereof from a flooded ecosystem comprising: one or more small molecules that reduce the production of one or more deleterious atmospheric gases and/or precursors thereof and one or more agriculturally suitable carriers.

The present disclosure provides compositions and methods for reducing emissions of deleterious atmospheric gases and/or precursors thereof from a flooded ecosystem comprising: one or more small molecules that reduce the production of one or more deleterious atmospheric gases and/or precursors thereof and one or more agriculturally suitable carriers.