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Cotton

Doğrulanmış veri

Gossypium hirsutum

Kharif · Punjab PK / Sindh

Gübre önerisi

N 170P₂O₅ 65K₂O 70kg/ha

Source: Mississippi State Extension / CCRI Multan (Ahmed research 2026-10-14)

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How to Apply Fertilizer Correctly

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

What is the correct way to flood DAP for Cotton?
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.

Yetiştirme koşulları

Toprak
Deep, well-drained loam to clay loam.
Su
6–8 irrigations; avoid water stress at flowering and boll formation.
Yetiştirme mevsimi
Sow April – May; picking October – December.
Uygun bölgeler
Punjab PK / Sindh

Büyüme dönemleri ve besleme

1

Basal · At sowing

Full phosphorus + potassium.

2

Squaring · ~40 days

First nitrogen split.

3

Flowering–boll formation · ~70–90 days

Remaining nitrogen in 1–2 splits.

Dikkat edilecekler

WhiteflyPink bollwormCotton leaf curl virusThrips

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İlgili gübreler

UreaDAPMOP

Organik gübre seçenekleri

İyi çürümüş çiftlik gübresi, kompost veya vermikompost, Cotton için temel toprak düzenleyici olarak kullanılabilir; bunlar toprağın yapısını oluşturur ve besin maddelerini mevsim boyunca yavaş yavaş salıverir. Organik besin içeriği kaynağa göre değiştiğinden, kesin besin ihtiyacını ürününüz ve bölgeniz için hesaplanan mineral gübreyle tamamlayın.

Bu ürün için ürüne özgü doğrulanmış organik doz mevcut değildir; yukarıdaki kılavuz genel uygulamadır, ölçülmüş bir öneri değildir. Hassas planlama için malzemenizi laboratuvarda test ettirin.

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Kaynaklar

  • Provincial agriculture departments / research institutes. Mississippi State Extension / CCRI Multan (Ahmed research 2026-10-14) — Punjab PK / Sindh

Son inceleme: 2026-10-01