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Illinois Fertilizer Conference Proceedings
January 24-26, 2000

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Table 3. Effect of variety, chloride (Cl) or potassium (K) source, and
time of application on soybean yields at Urbana in 1999.
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Source1 Time of App Variety Mean
P 9363 P 9395 P 9451 Essex
Yield (bu/acre)
Check — 56.0 79.3 65.4 26.5 56.8
CaCl2 Pre-emerge 47.7 77.9 64.7 34.7 56.3
CaCl2 V2 53.1 76.9 64.5 31.4 56.5
KCl Pre-emerge 57.1 79.4 70.2 31.5 59.5
KCl V2 53.7 67.1 66.8 38.2 56.5
K2SO4 Pre-emerge 60.1 79.2 56.9 34.4 57.6
K2SO4 V2 53.8 83.0 69.5 28.9 58.8
1Rate of application was 48 lbs of CaCl2, 64 lbs KCl, and 75 lbs of K2SO4 per acre.

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