Relative Efficacy of Liquid Nitrogen Fertilizers in Dryland Spring Wheat

Table 1

Treatment structure, Choteau, Conrad, and Corvallis, 2012 and 2013.

Trt	Preplant N fertilizer (urea) rate, kg N	Top-dressing N fertilizer source	Top-dressing N fertilizer rate, kg N	Top-dressing N fertilizer/water ratio, %
1	0	—	—	—
2	90	UAN	45	100/0
3	90	UAN	45	66/33
4	90	UAN	45	33/66
5	90	LU	45	100/0
6	90	LU	45	66/33
7	90	LU	45	33/66
8	90	HNRGN	45	100/0
9	90	HNRGN	45	66/33
10	90	HNRGN	45	33/66