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Illinois Fertilizer Conference Proceedings
January 24-26, 2000

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Table 4. Effect of variety, chloride (Cl) or potassium (K) source, and
time of application on soybean yields at Dixon Springs in 1999.
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Source1 Time of App Variety Mean
P 9363 P 9395 P 9451 Essex
Yield (bu/acre)
Check — 49.9 55.9 70.5 49.3 56.4
CaCl2 Pre-emerge 49.1 51.3 67.2 50.7 54.6
CaCl2 V2 56.2 53.8 70.5 45.9 56.6
KCl Pre-emerge 54.3 62.6 68.2 55.6 60.2
KCl V2 57.6 65.5 76.6 56.4 64.0
K2SO4 Pre-emerge 54.7 60.5 72.9 53.6 60.4
K2SO4 V2 54.0 59.8 73.5 63.8 62.8
1Rate of application was 48 lbs of CaCl2, 64 lbs KCl, and 75 lbs of K2SO4 per acre.

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