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Illinois Fertilizer Conference Proceedings
January 29-31, 1996

Main Index 1996 Index Search

Table 4: Effect of N rate on the recovery of applied N by inbred 1 at Prophetstown, IL. 1994spacer

  Fertilizer N Efficiency
N rate lb/a % of Total Uptake % of N Applied (15N) % of N Applied (Diff. Method)
  Continuous Corn Rotation
72 20.4 c 38.8 a 45
90 24.4 b 33.3 a 20
144 33.1 a 31.9 a 24
  Corn-Soybean Rotation
72 16.9 b 40.0 b 40
90 21.4 b 41.0 b 34
144 30.2 a 35.4 a 19

 

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