Table 2. Treatment effects on amount of triple super phosphate (TSP) and potash that would applied to each field and grain yields, 2001–2003.

Illinois Fertilizer Conference Proceedings
January 24-26, 2005

Table 2. Treatment effects on amount of triple super phosphate (TSP) and
potash that would applied to each field and grain yields, 2001–2004.

Treatment	Belle Rive Location			Irvington Location
	TSP Applied	Potash Applied	Yield	Potash Applied	Yield
	-------------- total lb^† --------------		(bu/acre)	(total lb)	(bu/acre)
2001
Uniform	2949	4620	39.3	4671	45.9
VRT-1	3145	4711	39.3	3728	46.1
VRT-2	3150	4690	39.4	3647	47.0
2002
Uniform	4101	4049	81.0	3371	82.5
VRT-1	4196	3999	78.0	2842	73.2
VRT-2	4164	3964	81.1	2817	84.9
2003
Uniform	2955	4629	Not enough data	4669	44.1
VRT-1	3064	4571		3726	42.2
VRT-2	3069	4549		3719	39.0
2004
Uniform	4101	4049	141	3371	167
VRT-1	4196	3999	142	2842	164
VRT-2	4164	3964	143	2817	160
2001-2004	Total TSP (lb)	Total Potash (lb)	Ave. Rel. Yield (%)	Total Potash (lb)	Ave. Rel. Yield (%)
Uniform	14,106	17,347	100.0	16,082	102.3
VRT-1	14,601	17,280	99.2	13,138	98.0
VRT-2	14,547	17,167	100.8	13,000	99.7

^†Assumes that treatment would be spread across the entire field.

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