Rutabaga

Nitrogen

Apply up to 35 kg N/ha. If manure is used in the rotation, apply it at least 1 year before the rutabaga crop is grown.

Phosphorus and Potassium

Test the soil to determine phosphorus and potassium requirements.

Table X, Phosphorus and Potassium Requirements for Rutabaga on Mineral Soils

Legend: HR = High Response  MR = Medium Response  LR = Low Response  RR = Rare Response  NR = No Response
Phosphorus Potassium
Sodium Bicarbonate Phosphorus Soil Test (ppm) Rating Phosphate (P205) Required kg/ha Ammonium Acetate Potassium Soil Test (ppm) Rating Potash (K2O) Required (kg/ha)
0-3 HR 180 0-15 HR 340
4-5 HR 170 16-30 HR 330
6-7 HR  170 31-45 HR 310
8-9 HR 160 46-60 HR 180
10-12 HR 160 61-80 HR 250
13-15 HR 150 81-100 HR 200
16-20 HR  140 101-120 MR 150
21-25 MR 120 121-150 MR 90
26-30 MR 100 151-180 MR 50
31-40 MR 80 181-210 LR 0
41-50 LR 50 211-250 RR 0
51-60 RR 30 >250 NR 0
61-80 RR 0  
80+ NR 0  
For rutabagas and tomatoes on soils with magnesium tests less than 100, the required amount of potash is adjusted downward from the amounts shown in this table to a minimum of 50% at 50 ppm Mg.