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Illinois Fertilizer Conference Proceedings
January 29-31, 1996

Main Index 1996 Index Search

Table 4: Residual soil NO3-N, corn yield, and NO3-N losses from tile lines as influenced by continuous corn compared to a corn-soybean rotation at Lamberton in 1990spacer

  1989 Crop: Corn Corn Soybean
Parameter 1990 Crop: Corn Soybean Corn
Nitrate-N in top 5 ft of soil (lb/A)   168 136 75
N recommended and applied based on the soil NO3-N test (lb/A)   31 0 116
N rate recommended without soil test (lb/A)   150   120
Corn yield (bu/A)   120   123
NO3-N Conc. in tile water in May (mg/L)   27 20 16

 

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