Fertilizers (N+P O 2 5+K O,Mt) 2 Chemical fertilizer Consumption in China from 1902 to 2000 Year 0 5 10 15 20 25 30 35 40 45 1900 1910 1920 1930 1940 1950 1960 1970 1980 1990 2000 Qin (221-206BC) 793 Song (960-1279) 780 1952 735 1980 1,890 1990 2000 3,225 3,738 Dynasty year Wheat yield, kg.ha-1
Fertilizers (N+P O 2 5+K O,Mt) 2 Chemical fertilizer Consumption in China from 1902 to 2000 Year 0 5 10 15 20 25 30 35 40 45 1900 1910 1920 1930 1940 1950 1960 1970 1980 1990 2000 Qin (221-206BC) 793 Song (960-1279) 780 1952 735 1980 1,890 1990 2000 3,225 3,738 Dynasty year Wheat yield, kg.ha-1
0 500 1000 1500 2000 2500 3000 3500 4000 4500 1975 1978 1982 1985 1988 1991 1994 1997 2000 15000 20000 25000 30000 35000 40000 45000 50000 55000 60000 65000 70000 75000 肥料施用量 粮食总产量 粮食产量 (万吨 ) 肥料施用量 (万吨 ) 1975年以来我国肥料施用量与粮食总产量的变化
0 500 1000 1500 2000 2500 3000 3500 4000 4500 1975 1978 1982 1985 1988 1991 1994 1997 2000 15000 20000 25000 30000 35000 40000 45000 50000 55000 60000 65000 70000 75000 肥料施用量 粮食总产量 粮食产量 (万吨 ) 肥料施用量 (万吨 ) 1975年以来我国肥料施用量与粮食总产量的变化
Nitrogenous Fertilizers Phosphate Fertilizers Potash Fertilizers Total Fertilizers 世界化肥消费量的变化 0 20,000,000 40,000,000 60,000,000 80,000,000 100,000,000 120,000,000 140,000,000 160,000,000 消费量t 年 份
Nitrogenous Fertilizers Phosphate Fertilizers Potash Fertilizers Total Fertilizers 世界化肥消费量的变化 0 20,000,000 40,000,000 60,000,000 80,000,000 100,000,000 120,000,000 140,000,000 160,000,000 消费量t 年 份
0 10,000,000 20,000,000 30,000,000 40,000,000 50,000,000 60,000,000 70,000,000 80,000,000 90,000,000 Nitrogenous Fertilizers Phosphate Fertilizers Potash Fertilizers Total Fertilizers 发达国家化肥消费量的变化 消费量 t 年 份
0 10,000,000 20,000,000 30,000,000 40,000,000 50,000,000 60,000,000 70,000,000 80,000,000 90,000,000 Nitrogenous Fertilizers Phosphate Fertilizers Potash Fertilizers Total Fertilizers 发达国家化肥消费量的变化 消费量 t 年 份
发展中国家化肥消费量的变化 0 10,000,000 20,000,000 30,000,000 40,000,000 50,000,000 60,000,000 70,000,000 80,000,000 90,000,000 100,000,000 1961 1963 1965 1967 1969 1971 1973 1975 1977 1979 1981 1983 1985 1987 1989 1991 1993 1995 1997 1999 Nitrogenous Fertilizers Phosphate Fertilizers Potash Fertilizers Total Fertilizers 消费量 t 年 份
发展中国家化肥消费量的变化 0 10,000,000 20,000,000 30,000,000 40,000,000 50,000,000 60,000,000 70,000,000 80,000,000 90,000,000 100,000,000 1961 1963 1965 1967 1969 1971 1973 1975 1977 1979 1981 1983 1985 1987 1989 1991 1993 1995 1997 1999 Nitrogenous Fertilizers Phosphate Fertilizers Potash Fertilizers Total Fertilizers 消费量 t 年 份