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Illinois Fertilizer Conference Proceedings
January 25-27, 1993

Home 1993 Index Search

Table 3: Effect of fertility treatment on nutrient concentration in corn ear leaf samples. DeKalb, 1991spacer

Fertilizer Treatment Incorporation N P K Ca Mg S B Fe Mn Cu Zn Al
    % PPM
No Fertilizer or Lime Incorporated 2.38 0.23 1.65 0.71 0.42 0.19 7.0 111 45 9.2 36.6 79
1/3 Lime and Maintenance Fertilizer Incorporated 2.40 0.22 1.83 0.69 0.36 0.18 6.4 103 41 8.8 36.0 50
1/3 Lime, Maintenance and Build-up Fertilizer Incorporated 2.38 0.23 1.80 0.69 0.38 0.19 6.7 106 41 8.9 37.1 79
Full Lime Incorporated 2.37 0.23 1.82 0.67 0.37 0.19 6.9 106 37 9.1 30.8 67
Lime and Maintenance Fertilizer Incorporated 2.16 0.21 1.83 0.65 0.36 0.17 6.6 99 37 7.8 31.1 61
Lime, Maintenance and Build-up Fertilizer Incorporated 2.28 0.21 1.89 0.69 0.36 0.17 6.5 100 42

8.2

 31.1 59
No Fertilizer or Lime Surface 2.46 0.21 1.07 0.77 0.53 0.19 6.8 106 54 8.7 31.6 55
1/3 Lime and Maintenace Fertilizer Surface 2.34 0.21 1.32 0.73 0.53 0.18 6.7 96 47 8.7 34.5 69
1/3 Lime, Maintenance and Build-up Fertilizer Surface 2.30 0.20 1.32 0.72 0.51 0.17 6.2 95 55 7.8 33.6 70
Lime Surface 2.26 0.21 1.12 0.69 0.52 0.18 6.4 96 38 5.8 30.2 46
Lime and Maintenance Fertilizer Surface 2.35 0.22 1.49 0.69 0.42 0.18 6.3 98 55 8.4 32.4 57
Lime, Maintenance and Build-up Fertilizer Surface 2.32 0.20 1.13 0.70 0.53 0.16 6.1 92 38 7.5 32.1 48
Critical Levels   2.90 0.25 1.90 0.40 0.15 0.15 10 25 15 5 15  
LSD 0.10   0.21 NS 0.26 0.08 0.09 NS 0.8 12 11 1.1 4.6 22

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