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Maize

Datos verificados

Zea mays

Kharif (también en primavera en zonas de regadío) · Punjab, India (PAU)

Recomendación de fertilizante

N 124P₂O₅ 60K₂O 30kg/ha

Source: PAU Package of Practices for Crops of Punjab, Kharif 2026 (IN-Punjab; K conditional)

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How to Apply Fertilizer Correctly

Practical field advice for Maize — knowing how to apply fertilizer matters as much as knowing how much.

What is the correct way to flood DAP for Maize?
Dissolve the DAP with a DAP solvent in a drum so it fully dissolves. Do NOT open the drum valve at the start of irrigation — wait until the water has covered about 25% of the plot (roughly 1–1.5 kanal in). Then open the valve. Close the drum valve about 10 minutes before you stop the water, so the last flow of water carries the dissolved fertilizer evenly to the far end of the field.
Should urea be flooded with irrigation water, or broadcast afterwards?
Do NOT flood urea. Flooding loses 40–50% of nitrogen through leaching (deep percolation) and denitrification (lost as gas). Instead, broadcast (chhatta) the urea 1–3 days after irrigation, when the soil is moist (tar-wattar condition). This gives 30%+ better absorption than flooding.
How can I distribute fertilizer evenly across the field?
Open the fertilizer drum valve only after irrigation water has already entered 1–1.5 kanal — opening it too early empties the drum before the far end is reached. If the field is not laser-leveled, divide one acre into 2–4 plots (kyare): 2 plots for heavy clay soils, 3–4 for loam, and fertigate each plot separately. Keep checking both the field and the drum during irrigation until you get a feel for the timing.
When should phosphorus and potash be applied?
Phosphorus (P₂O₅) and potash (K₂O) are best applied at sowing as a basal dose, placed in the seedbed. If you missed it at sowing, dissolve the fertilizer (use a DAP solvent for DAP) and flood it at the first or second irrigation — flooding is far more effective than broadcasting for phosphorus and potash at that stage.

Condiciones de cultivo

Suelo
Well-drained fertile loam; waterlogging is fatal.
Agua
4–5 irrigations; critical at knee-high and tasseling stages.
Temporada de cultivo
Sow June – July (kharif) or February (spring).
Regiones adecuadas
Punjab, India (PAU)

Etapas de crecimiento y nutrición

1

Basal (at sowing) · Day 0

Full phosphorus + potassium + ¼ nitrogen.

2

Knee-high · ~30 days

½ nitrogen.

3

Tasseling · ~55–60 days

Remaining ¼ nitrogen.

A tener en cuenta

Fall armywormStem borerWaterloggingZinc deficiency

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Fertilizantes relacionados

UreaDAPMOP

Opciones de fertilizantes orgánicos

El estiércol bien descompuesto, el compost o el vermicompost pueden usarse como acondicionador de base del suelo para Maize — mejoran la estructura del suelo y liberan los nutrientes lentamente durante la temporada. Como el contenido de nutrientes orgánicos varía según la fuente, complementa la necesidad exacta de nutrientes con fertilizante mineral calculado para tu cultivo y tu región.

No existe una dosis orgánica verificada específica de este cultivo; la guía anterior es una práctica general, no una recomendación medida. Haga que su material sea probado en laboratorio para una planificación de precisión.

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Referencias

  • Provincial agriculture departments / research institutes. PAU Package of Practices for Crops of Punjab, Kharif 2026 (IN-Punjab; K conditional) — Punjab, India (PAU)

Última revisión: 2026-10-01