Radishes

Nitrogen

On mineral soils, apply up to 60 kg N/ha. On much soils, apply 40 kg N/ha.

Phosphorus and Potassium

Test the soil to determine phosphorus and potassium requirements.

Table X, Phosphorus and Potassium Requirements for Radish 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 80 0-15 HR 60
4-5 HR 70 16-30 HR 60
6-7 HR 60 31-45 HR 50
8-9 HR 60 46-60 HR 50
10-12 MR 50 61-80 MR 40
13-15 MR 50 81-100 MR 30
16-20 LR 40 101-120 MR 30
21-25 LR 40 121-150 MR 20
26-30 LR 30 151-180 MR 20
31-40 LR 30 181-210 LR 0
41-50 LR 20 211-250 RR 0
51-60 LR 0 >250 NR 0
61-80 RR 0  
80+ NR 0  

 

Table X, Phosphorus and Potassium Requirements for Radishes on Muck 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 100 0-15 HR 230
4-5 HR 100 16-30 HR 220
6-7 HR 100 31-45 HR 210
8-9 HR 100 46-60 HR 200
10-12 MR 90 61-80 MR 170
13-15 MR 90 81-100 MR 150
16-20 MR 80 101-120 MR 120
21-25 MR 70 121-150 MR 80
26-30 MR 60 151-180 MR 40
31-40 LR 50 181-210 LR 0
41-50 LR 30 211-250 RR 0
51-60 LR 20 >250 NR 0
61-80 RR 0  
80+ NR 0