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Nitrogen balance and mineral nitrogen content in the soil in a long experiment with maize under different systems of N fertilization

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Figure

Table 3. Average annual dry matter yield, N content in plants and N uptake by crops in 1991 –2002
Figure 1. Dry matter yields of maize (average 1999–2002)
Table 4. N balance (kg/ha) in Červený Újezd locality for 1991–2002
Figure 7. Total amount of organic nitrogen in lysimetric waters(17th October 1994–14th October 2002)

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