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Fertilizer schedule

Citrus Fertilizer Schedule

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

Citrus calendar → Planting
3FAO fert notes
1countries

Stage checklist

Soil preparation
Planting hole / bed prep

Mix compost into the planting zone; avoid raw manure against roots.

Establishment
First growing season

Light, regular feeding for young trees/vines; mulch to conserve moisture.

Pre-bloom
Late dormancy to pre-bloom

Apply main nitrogen and balance P/K based on leaf/soil tests where possible.

Fruit fill
After fruit set

Support potassium and calcium for fruit quality; do not push soft late growth before frost.

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FAO fertilization notes

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

Madagascar Central West Zone

Alluvial soils. By planting hole digging. Contribution organic manure per hole. Irrigation. Weeding. Hoeing. Cut. 1st AD harvest. Four years.

Madagascar Highlands Zone South

Organic and mineral fertilizers intake. Planting in holes. Weeding. Mulching. Cut. 1st AD harvest. Four years.

Madagascar Middle East Zone

Alluvial soils. By planting hole digging. Contribution organic manure per hole. Weeding. Hoeing. Cut. 1st AD harvest. Four years.

FAQ: fertilizing Citrus

When should I fertilize Citrus?

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.