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Reducing human nitrogen use for food production

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Academic year: 2021

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Figure

Figure 1.  Total nitrogen input (TN) of food production . Left: Sources of reactive N involved in food  production (animal and plant products)
Figure 3.  National TN of crop production on a per capita basis for several representative countries
Figure 4.  Spatial distribution of the product TN (PTN) of all crops combined, of cereals, and of soybean
Table 1.   Comparisons of global nitrogen accounting for food.

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