Page 395 - Refining Biomass Residues for Sustainable Energy and Bioproducts
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358                     Refining Biomass Residues for Sustainable Energy and Bioproducts


          Table 16.1 Global area, grain production and waste production of major crops.
          Crop         Area (Mha)   Grain production (Mt)  Residue production (Mt)

          Cereals
          Barley       54           141                  212
          Corn         138          609                  609
          Millet       37           29                   44
          Oats         13           27                   27
          Rice         152          593                  890
          Rye          10           23                   35
          Sorghum      43           58                   87
          Wheat        214          583                  875
          Others       10           23                   23
          Total        671          2086                 2802

          Legumes
          Beans        23           17                   17
          Broad beans  2            4                    4
          Chick peas   9            6                    6
          Groundnut    26           35                   35
          Lentils      4            3                    3
          Peas         6            11                   11
          Pulses       66           52                   52
          Soybeans     76           177                  177
          Total        212          305                  305
          Oil crops

          Linseed      3            2                    2
          Rapeseed     24           36                   54
          Safflower    1            0.6                  1
          Seed cotton  16           16                   24
          Sesame       8            3                    6
          Sunflower    18           21                   21
          Total        70           79                   108

          Sugar crops
          Sugar beet   6            234                  59
          Sugarcane    19           1255                 314
          Total        25           1489                 373
          Tubers       322          234                  59
          Potato       193          308                  77
          Sweet potato  9           135                  34
          Total        524          677                  170
          Grand total  1502         4636                 3758

          Data from Lal, R., 2005. World crop residues production and implications of its use as a biofuel. Environ. Int., 31,
          575 584.
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