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Fertilizer schedule

Bean Fertilizer Schedule

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

Bean calendar → Planting
5FAO fert notes
2countries

Stage checklist

Soil preparation
Before sowing

Inoculate seed with rhizobia when needed; supply phosphorus and potassium — legumes often need less N.

At planting
Sowing

Use a low-N starter if soils are very poor; excess N reduces nodulation.

Flowering / pod set
Pre-flower to early pod

Maintain K and micronutrients (e.g. Mo, B where deficient); irrigate to reduce flower drop.

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FAO fertilization notes

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

Algeria High West Plains

basal dressing: 15 -20 Tde well-rotted manure / ha, 20 U of N / ha, 60-70 U P / ha 80 to 90 u K / ha: irrigation 400a 500m3 / ha are recommended

Algeria South

basal dressing = 40 tde manure / ha, 100 U of N / ha, 150 U P / ha, 200 U K / ha: manure maintenance N = 03 appoorts 40 u / ha each 100 U K / ha 3rd contribution: irrigation = 4000- 6000m3 / ha. (Greenhouse)

Colombia Andina Region

In general, the broad bean tolerates heavy applications of nutrients and is demanding in organic matter based on manure. 100 kg of N/ha is usually recommended, applying the fertilizer before sowing or transplanting.

Algeria High West Plains

Background dwarf-fertilization bean: 15 t decomposed manure / ha, 50a 80 U of N / ha, 80a 100 U P / ha, 100 to 150 U K / ha, Irrigation = need approximated: Future = 1500m3 / ha = season to 2500à4400M3 / ha and the back end of 2000à3000M3 / ha

Algeria Littoral Center and East

runner bean-fertilization bottom: 15 t decomposed manure / ha, 50a 80 U of N / ha, 80a 100 U P / ha, 100 to 150 U K / ha, Irrigation = need approximated: Future = 1500m3 / ha in season = 2500à4400M3 / ha and the back end of 2000à3000M3 / ha

FAQ: fertilizing Bean

When should I fertilize Bean?

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.