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Fertilizer schedule

Watermelon Fertilizer Schedule

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

12FAO fert notes
7countries

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.

Algeria High West Plains

Fertilization: basal dressing = 30 T manure / ha, 120 to 150 U of N / ha, 130 to 170 u P / ha, 130a 160 U K / ha; manure maintenance = 30 U 30 U of N and K before the last hoeing, iirigation = 4000m3 / ha

Azerbaijan Northwest Coast Plain areas

Irrigated. NPK application at the time of land prepararion. Harvest date indicate beginning date of harvesting, this process is continiously aproximately in duration of 1- 1,5 moth.

Azerbaijan Northwest Slopes

Rainfed. NPK application at the time of land prepararion. Harvest date indicate beginning date of harvesting, this process is continiously aproximately in duration of 1- 1,5 moth.

Azerbaijan South-central Coast Plain areas

Irrigated. Autumn plaughing with organic manure application and NPK application at the time of land preparation. Under plastic tunnel cover during 40-50 days at beginning of vegetation.

Burundi Region high altitudes

The first harvest takes place 80jours after sowing and the last 100 jours.On generally direct seeding (1x1 m) on hill. The ririgation practiced in hill dry season (June-September or autajt times as needed). commonly apply organic manure.

Cameroon Adamawa Plateau

Plowing planks. Sowing live pokets (3to 4 seeds), démmarriage retaining only two seeds. Application of organic manure during tillage and potash-rich fertilizer to chemical plantation.Traitement. Culture can be practiced all year for an pesticide treatment and regular watering.

Cameroon Coastal lowlands

Plowing planks. Sowing live pokets (3to 5 seeds) démmarrage retaining only two seeds. Application of organic manure during tillage and potash-rich fertilizer to chemical plantation.Traitement. Culture can be practiced all year for an pesticide treatment and regular watering.

Cameroon Plateau South Cameroon

Sowing live pokets (3to 5 seeds) démmarrage retaining only two seeds. Application of organic manure during tillage and potash-rich fertilizer to chemical plantation.Traitement. Culture can be practiced all year for an pesticide treatment and regular watering.

Cameroon Sudano-Sahelian zone

Plowing planks. Sowing live pokets (3-4 seeds), démmarriage retaining only two seeds. Application of organic manure during tillage and potash-rich fertilizer to chemical plantation.Traitement. Culture can be practiced all year for an pesticide treatment and regular watering.

Cape Verde Semi-arid areas and sub-humid medium-low altitude

Traditional irrigation and drip irrigation. Sowing in pots with transplantation 20-25 days after sowing and / or directly in the field planting. Organinique fertilization and mineral preparations when the land and mineral cover.

Chad Sahelian Zone

Watermelons produced flow very quickly on the capital markets. Both crops are grown without fertilizers. The plants are produced in the nursery before being planted.

Gabon Area: Class, Center, East, South East and West, South

Sowing is done poquet 2-3 seeds with a density / ha 8333 pieds.Une organic fertilizer and mineral background is provided / ha: 15-20 T + 200 kg of manure kisérite + 100-250 kg of fertilizer complet.L'urée is split: 10 days 100-150 kg / ha at 30 and 60 days: 70-80 kg / ha.A 60 days an intake of 100 to 200 kg of sulphate high sensitivity potasse.Une watermelon: the fruit fly, aphids.

FAQ: fertilizing Watermelon

When should I fertilize Watermelon?

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.