prov:value
| - 4 ha???1 d???1, Ti,j,k is the cultivation period of rice for i, j, and k conditions in days, Ai,j,k is the annual harvested area of rice for i, j, and k conditions in ha a???1, and i, j, and k represent different ecosystems, water regimes, types and amounts of organic amendments, and other conditions under which CH4 emissions from rice may vary.[9] As shown in equation (2), the daily specific emis
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