Southeastern U.S. Vegetable Crop Handbook - 2021 - 22

TABLE 2. GENERAL FERTILIZER SUGGESTIONS FOR VEGETABLE CROPS* (cont'd)
Recommended Nutrients Based on Soil Tests
Soil Phosphorus Level
CROP
SWEET CORN
6 to 6.5 110 to 155 160
40 to 60
20
50 to 75
SWEETPOTATO
5.8 to 6.2 50 to 80
50 to 80
TOMATO
... Bareground
for
Sandy loams
and loamy
sands
... Bareground
for Loam
and clay
...Plasticulture
6 to 6.5
80 to 90
40 to 45
40 to 45
200
200
25 to 30
50
80 to 160
WATERMELON
...Nonirrigated
...Irrigated
200
200
150
150
150
150
100
100
100
100
300
300
Apply 1 to 2 lb boron (B) per acre with broadcast fertilizer.
75 to 80
50
250
250
Apply 1 to 2 lb boron (B) per acre with broadcast fertilizer.
130 to 210 200
200
150
150
100
100
420
125
295
200
200
150
150
345
125
220
100
100
100
100
275
125
150
0 Total recommended.
0 Broadcast and disk-in.
0 Sidedress when first fruits are set as needed.
0 Total recommended.
0 Broadcast and disk-in.
0 Sidedress when first fruits are set as needed.
0 Total recommended.
0 Broadcast and disk-in.
0 Fertigate.
Apply 1 to 2 lb boron (B) per acre with broadcast fertilizer.
Drip fertilization: See " tomato " in specific commodity recommendations later in this handbook.
6 to 6.5
75 to 90
50
25 to 40
150
150
100 to 150 150
50
25 to 50
25 to 50
...Plasticulture
150
125 to 150 150
25 to 50
100
150
100
100
100
100
100
100
50
50
50
50
50
50
200
200
200
200
200
100
100
150
150
150
150
150
75
75
100
100
100
100
100
50
50
0 Total recommended.
0 Broadcast and disk-in.
0 Topdress when vines start to run.
0 Total recommended.
0 Broadcast and disk-in.
0 Topdress when vines start to run.
0 Topdress at first fruit set.
0 Total recommended.
0 Disk in row.
0 Fertigate.
NOTE: Excessive rates of N may increase the incidence of hollow heart in seedless watermelon.
Drip fertilization: See " watermelon " in specific commodity recommendations later in this handbook.
* Nitrogen rates should be based on your local fertilizer recommendations.
200
150
50
100
60
40
50
30
20
300
150
150
200
50
150
150
30
120
Add 0.5 lb of actual boron (B) per acre 40 to 80 days after transplant.
120 Total recommended.
0 Broadcast and disk-in.
120 Sidedress 21 to 28 days after planting.
120
40
120
100
20
80
60
20
20
20
160
120
40
120
100
20
80
60
20
20 Total recommended.
0 Broadcast before planting.
20 Band-place with planter.
0 Sidedress when corn is 12 to 18 in. tall.
Apply 1 to 2 lb boron (B) per acre with broadcast fertilizer. NOTE: On very light sandy soils, sidedress 40 lb N per acre when corn is
6 in. tall and another 40 lb N per acre when corn is 12 to 18 in. tall.
Desirable
pH
Nitrogen
(N)
lb/acre
Low Med High
P2O5
lb/acre
Soil Potassium Level
Very
High Low
K2
Med High
O lb/acre
Very
High
Nutrient Timing and Method
TABLE 3. NUTRIENT VALUES FOR MANURE APPLICATIONS AND CROP RESIDUES
P2O5
N
Cattle manure
Poultry manure
Pig manure
Horse manure
Liquid poultry manure
(5 - 15% solids)
Alfalfa sod
Hairy vetch
5-101
25-501
5-101
6-121
7-151
50-1002
50-100
Pounds per Ton
3
20
2
3
5-10
K2
O
3
10
2
6
5-10
Ladino clover sod
Crimson clover sod
Red clover sod
Birdsfoot trefoil
Lespedeza
Soybeans
Tops and roots
Grain harvest residue
N
P2O5
60
50
40
40
20
40
15
Pounds per Ton
1 Lower values for fall - and winter - applied manure and higher values for spring - applied manure. Use these figures only if manure being used has not been analyzed.
2 75% stand = 100 - 0 - 0, 50% stand = 75 - 0 - 0, and 25% stand = 50 - 0 - 0.
22
2021 Vegetable Crop Handbook for Southeastern United States
K2
O
Southeastern U.S. Vegetable Crop Handbook - 2021

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