Trend 1961 - 2050. Food and Agriculture Organization of the United Nations. Food and Agriculture Organization Statistics: Emissions, Agriculture - Manure Left on Pasture | Country: Romania | Item: Cattle, dairy | Element: Implied emission factor for N2O (Manure on pasture) - kg N2O-N/kg N, 1961-2050. Data-Planet™ Statistical Ready Reference by Conquest Systems, Inc. Dataset-ID: 067-001-036.