Illinois Fertilizer Conference Proceedings
January 27-29, 1992
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Table 1: Crop response to fertilizer
N x P x K Factorial Analysis
Percent of years that the response was significant at the 0.10 level or higher
Years
Crop
N
N x P
P
K
N x K
P x K
N x P x K
63-72
Corn
100%
50%
100%
70%
0%
20%
10%
Bean
20%
10%
100%
20%
20%
0%
20%
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Department of Crop Sciences
University of Illinois Extension
College of Agricultural, Consumer, and Environmental Sciences
University of Illinois at Urbana-Champaign
Illinois Fertilizer & Chemical Association
Illinois Department of Agriculture
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