Growing Potatoes
Soil Preparation & Testing
Soil Test: Start with a detailed soil analysis to determine pH, nutrient levels, and organic matter. Since your business already does soil testing, this is a big advantage.pH Levels: Potatoes prefer a slightly acidic soil (pH 5.0–6.0). If the soil is too alkaline, apply elemental sulfur to lower pH.Drainage: Well-drained, sandy loam soils are best. Avoid heavy clay soils or improve drainage by hilling and adding organic matter.
Fertilization & Soil Health
Nitrogen (N): Apply moderate nitrogen (~150 lbs/acre), but avoid excessive N, which promotes foliage over tubers.Phosphorus (P) & Potassium (K): P is essential for root and tuber development. (~100–150 lbs/acre) K improves tuber size and disease resistance (~200–300 lbs/acre).
Calcium & Magnesium: Essential for skin quality and preventing hollow heart.Sulfur & Micronutrients: Apply boron, manganese, and zinc if needed based on soil tests.
Calcium & Magnesium: Essential for skin quality and preventing hollow heart.Sulfur & Micronutrients: Apply boron, manganese, and zinc if needed based on soil tests.
Planting & Spacing
Timing: Plant mid-February to early March for spring crops, and late summer for a fall crop.Spacing:
Rows: 30–36 inches apart Within-row: 10–12 inches apart
Seed Pieces: Use disease-free, certified seed potatoes and cut them into pieces with at least one or two eyes.
Rows: 30–36 inches apart Within-row: 10–12 inches apart
Seed Pieces: Use disease-free, certified seed potatoes and cut them into pieces with at least one or two eyes.
Pest & Disease Control
Common Pests:
Colorado Potato Beetle – Rotate crops, use insecticides (if needed). Wireworms & Cutworms – Use soil insecticides if pressure is high. Aphids – Carry viral diseases, so monitor and control early.
Diseases: Late Blight & Early Blight – Use fungicides and avoid overhead watering. Scab – Keep pH below 5.5 to minimize risk. Blackleg & Soft Rot – Use well-drained soil and disease-free seed.
Diseases: Late Blight & Early Blight – Use fungicides and avoid overhead watering. Scab – Keep pH below 5.5 to minimize risk. Blackleg & Soft Rot – Use well-drained soil and disease-free seed.
Red Pontiac
Variety Selection Choose varieties suited to the Southeastern climate, such as: Yukon Gold – High yields, disease resistance Red Pontiac – Thrives in sandy soils Kennebec – Good for storage, resistant to heat stress
Potatoe Eyes
Harvest & Storage Harvesting: Wait 2–3 weeks after foliage dies back for skins to set. Use gentle harvesting methods to prevent bruising. Curing & Storage: Cure for 1–2 weeks at 60–65°F with high humidity. Store at 40–50°F in a dark, ventilated area.
Hilling & Weed Management
Hilling: Cover stems with soil 2–3 times before flowering to prevent sun exposure (which turns tubers green).Weed Control: Use pre-emergent herbicides like metribuzin. Hand-weeding or cultivation is essential for small plots.