Table 1. Revised University of Idaho Nitrogen Fertilizer Recommendations for Sugarbeets.
Soil	Yield Goal (tons/acre)
Test N1	18	20	22	24	26	28	30	32	34	36	38	40
ppm	- - - - - - - - - - - - - - - - - - - - N application rate (lb N/acre)2 - - - - - - - - - - - - - - - - - - - - - - - - -
0	130	145	160	175	190	210	230	250	270	290	310	330
5	110	125	140	155	170	190	210	230	250	270	290	310
10	90	105	120	135	150	170	190	210	230	250	270	290
15	70	85	100	115	130	150	170	190	210	230	250	270
20	50	65	80	95	110	130	150	170	190	210	230	250
25	30	45	60	75	90	110	130	150	170	190	210	230
30	0	0	40	55	70	90	110	130	150	170	190	210
35	0	0	0	35	50	70	90	110	130	150	170	190
40	0	0	0	0	30	50	70	90	110	130	150	170
45	0	0	0	0	0	30	50	70	90	110	130	150
50	0	0	0	0	0	0	30	50	70	90	110	130
55	0	0	0	0	0	0	0	30	50	70	90	110
60	0	0	0	0	0	0	0	0	30	50	70	90
1 Soil test N = sum of NO3-N + NH4-N (ppm) for the 1st foot plus NO3-N + NH4-N (ppm) for the
2nd foot. If soil test values for the 2nd foot are not available, multiply the values from the 1st foot
by 2.
2 Add 15 lbs N/acre for each ton of grain straw incorporated up to 50 lbs N/acre.