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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).

9FAO fert notes
6countries

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

Namibia Zone 3

Rainfed. Direct planted, NPK used as basal dressing.

Namibia Zone 3

Irrigated crop. Direct planted,NPK basal dressed.

Tanzania Coastal Plains

Sown at the beginning or mid of the long rains. Artificial fertilizers are recommended but rarely used. The crop is intercropped or grown in monoculture.

Tunisia Kroumirie - Mogods

short-day plant; 18 optimal growth at 25 ° C. Irrigation: This application from 800 to 1,000 m3 of water during the growing cycle. Phospho-potassium fertilizer is buried plowing, ammonium nitrate 33.5% brought just at planting.

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.