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aType of chemical fertilizer: CF, compound fertilizer; U, urea.

bType of organic amendment: FM, farmyard manure; WR, winter wheat residue.

aType of chemical fertilizer: CF, compound fertilizer; U, urea.

bType of organic amendment: FM, farmyard manure; WR, winter wheat residue.

Table 9.2 Direct N2O emissions from paddy fields under the water regime of flooding-midseason-reflooding (F-D-F) during rice growing season

Chemical fertilizer Organic amendment

Table 9.2 Direct N2O emissions from paddy fields under the water regime of flooding-midseason-reflooding (F-D-F) during rice growing season

Chemical fertilizer Organic amendment

Location

Year

Type3

Amount kg N ha-1

Typeb

Kg N ha-1

Reference

Nanjing,

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