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Journals / Harran Tarım ve Gıda Bilimleri Dergisi / 2026 / Cilt: 29 Sayı: 2

The effect of post-sowing potassium fertilizer application on the yield and some fiber technological properties of cotton (Gossypium hirsutum L.)

Ekimden sonra uygulanan potasyum gübresinin pamuğun (Gossypium hirsutum L.) verim ve bazı lif teknolojik özelliklerine etkisi

Ahmet Yılmaz(HARRAN ÜNİVERSİTESİ)0000-0001-5748-3160
Ömer Hacıkamiloğlu(HARRAN ÜNİVERSİTESİ)0000-0001-8663-2938
Cevher İlhan Cevheri(HARRAN ÜNİVERSİTESİ)0000-0002-7070-2652
Hasan Haliloğlu(HARRAN ÜNİVERSİTESİ)0000-0002-6826-3320
Pages
215–227
Publication Date
2025-06-16
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Results showed that seed cotton yield ranged between 396 and 520 kg da-1, with the highest yield achieved with 50 days post-sowing and 30 kg da-1 KCl application (520 kg da-1).

📌 3 Key Takeaways

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Objective & Hypothesis:This study was conducted to determine the effects of different post-sowing potassium fertilizer doses on cotton (Gossypium hirsutum L.) yield and fiber properties in Haliliye district of Şanlıurfa province in 2020-2021.
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Key Findings & Data:The Fiona cotton variety was used as plant material, and six-row plots were sown (row spacing: 75 cm, plant spacing: 5-6 cm).
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Conclusion & Impact:Results showed that seed cotton yield ranged between 396 and 520 kg da-1, with the highest yield achieved with 50 days post-sowing and 30 kg da-1 KCl application (520 kg da-1).
🔬Design:Araştırma Makalesi
📍Scope:2020-2021 Verileri
⚙️Variables:Pamuk · Gübreleme · Lif Özelikleri

Abstract

This study was conducted to determine the effects of different post-sowing potassium fertilizer doses on cotton (Gossypium hirsutum L.) yield and fiber properties in Haliliye district of Şanlıurfa province in 2020-2021. The experiments were arranged in a randomized split-plot design with three replications. The Fiona cotton variety was used as plant material, and six-row plots were sown (row spacing: 75 cm, plant spacing: 5-6 cm). Main plots were defined by post-sowing days (30, 40, 50 days), while subplots consisted of potassium doses (control, 10, 20, 30 kg da-1). Results showed that seed cotton yield ranged between 396 and 520 kg da-1, with the highest yield achieved with 50 days post-sowing and 30 kg da-1 KCl application (520 kg da-1). Plant height varied from 77.95 to 85.41 cm in 2020 and from 81.13 to 87.63 cm in 2021. The highest boll weight (6.97 g) was recorded in 2021 with 50 days post-sowing and 30 kg da-1 KCl application. The number of fruiting branches and bolls per plant varied across years, with the highest boll count observed with 40 days post -sowing and 20 kg da-1 KCl application. Fiber uniformity index ranged between 82.23% and 85.40%, while short fiber content varied from 6.70% to 11.70%. As a result, potassium fertilizer doses were found to be effective in increasing cotton yield and fiber quality; in particular, the application of 30 kg da⁻¹ KCl on the 50th day gave the best results.

Özet

Bu çalışma, ekim sonrası farklı potasyum gübresi dozlarının pamuk (Gossypium hirsutum L.) verimi ve lif özelliklerine etkisini belirlemek amacıyla 2020-2021 yıllarında Şanlıurfa İli Haliliye İlçesi’nde yürütülmüştür. Denemeler, tesadüf bloklarında bölünmüş parseller deneme desenine göre üç tekerrürlü olarak gerçekleştirilmiştir. Fiona pamuk çeşidi kullanılarak 6 sıralı parsellerde (sıra arası 75 cm, sıra üzeri 5-6 cm) ekim yapılmıştır. Ana parsellerde ekim sonrası gün sayısı (30, 40, 50 gün), alt parsellerde ise potasyum dozları (kontrol, 10, 20, 30 kg da-1) değerlendirilmiştir. Sonuçlar, kütlü pamuk veriminin 396-520 kg da-1 arasında değiştiğini ve en yüksek verimin 50. gün 30 kg da-1 KCl uygulamasıyla elde edildiğini göstermiştir (520 kg da-1). Bitki boyu 2020’de 77.95-85.41 cm, 2021’de 81.13- 87.63 cm arasında değişmiştir. En yüksek koza ağırlığı (6.97 g), 50. gün 30 kg da-1 KCl uygulamasında 2021 yılında kaydedilmiştir. Meyve dalı ve koza sayıları yıllara göre değişim göstermiş, en yüksek koza sayısı 40. gün 20 kg da-1 uygulamasında belirlenmiştir. Lif özellikleri açısından üniformite indeksi %82.23-%85.40 arasında, kısa lif oranı ise %6.70- %11.70 arasında değişmiştir. Sonuç olarak, potasyum gübresi dozları pamuk verimi ve lif kalitesini artırmakta etkili bulunmuş; özellikle 50. gün 30 kg da-1 KCl uygulaması en iyi sonuçları vermiştir.

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Cite This Article

Yılmaz, A., Hacıkamiloğlu, Ö., Cevheri, C. İ., Haliloğlu, H. (2025). The effect of post-sowing potassium fertilizer application on the yield and some fiber technological properties of cotton (Gossypium hirsutum L.). Harran Tarım ve Gıda Bilimleri Dergisi, Cilt: 29 Sayı: 2, 215–227. https://doi.org/10.29050/harranziraat.1599352

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