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Fertilizer schedule

Sunflower Fertilizer Schedule

Use the stage cards as a planning checklist, then read country notes for local fertilizer language (rates are not prescriptions).

Sunflower calendar → Planting
5FAO fert notes
3countries

Stage checklist

Soil preparation
Before sowing

Basal NPK with attention to sulfur where soils are deficient.

Vegetative growth
Rosette to stem elongation

Split nitrogen if leaching risk is high; keep adequate K for oil quality.

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FAO fertilization notes

Excerpts from CropWhen calendar notes that mention fertilizer, manure, NPK, or related terms.

Azerbaijan East Slopes

Irrigated, organic manure application at the time of land preparation, and NPK application at the time of sowing.

Azerbaijan North Coast Plain areas

Irrigated, Absorbing irrigation organic, manure application at the time of land preparation, and NPK application at the time of sowing.

Kenya Lower Highland Zone 4 (LH4)

Rainfed. Fertilizer (Inorganic /organic) occsionaly applied sowing. Responds well to Phosphatic fertilizers

Myanmar B. Central Dry Zone

rainfed, NPK fertilizer applied

Myanmar B. Central Dry Zone

irrigated, FYM and NPK fertilizer applied

FAQ: fertilizing Sunflower

When should I fertilize Sunflower?

Follow the stage cards above (soil prep → planting → mid-season). Exact rates depend on soil tests and local packages — FAO notes below show how growers describe fertilization in different countries.

Can I copy NPK numbers from the notes?

Treat them as historical/field guidance, not a prescription for your plot. Units and products differ by country. Confirm with agricultural extension before applying.

Not a fertilizer prescription. Over-application wastes money and can harm plants and waterways. Follow local extension packages.