İri Daneli Tohumlar için Tasarlanan Oluklu Makaranın Tohum Akış Düzgünlüğünün Değerlendirilmesi

Yıl 2022, Cilt: 25 Sayı: 3, 550 - 555, 30.06.2022

Emrah Kuş Yıldıran Yıldırım

https://doi.org/10.18016/ksutarimdoga.vi.883208

Öz

Oluklu makaralı ekici düzenine sahip ekim makinalarında farklı fiziksel özelliklere sahip tohumlar için başarılı bir dağıtım düzgünlüğü elde etmek kolay değildir. Bu nedenle, oluklu makaralı ekim makinalarında tohum akış oranı düzgünlüğünün iyileştirilmesi hala önemli bir araştırma odağıdır. Bu çalışmada, iri taneli tohumlar için tasarlanmış, oluk çapları 18, 20 ve 22 mm ve oluk derinlikleri 5, 8 ve 11 mm olan dokuz adet oluklu makara kuru fasulye tohumunun akış oranı düzgünlüğü için değerlendirilmiştir. Her bir oluklu makara, 80, 120 ve 160 kg ha-1 ekim normları için 1.0, 1.5 ve 2.0 m s-1 ilerleme hızlarında çalıştırıldı. Değerlendirmelerde tohumların akış hassasiyeti için performans dikkate alınır ve bunun için; varyasyon katsayısı değerleri kullanılmıştır. Üç tekerrürlü çalışmada her tekrardan elde edilen CV değerleri için istatistiksel analizler uygulanarak optimum boyutlar belirlenmiştir. Analiz sonuçlarına göre, öngörülen oluk çaplarının akış oranı düzgünlüğü üzerinde kararlı bir etkisinin olmadığı, oluk derinliği arttıkça akış oranı düzgünlüğünün kısmen arttığı, ekim normu ve ilerleme hızı arttıkça akışın daha iyi olduğu belirlenmiştir. Bu bağlamda, en iyi tohum akış düzgünlüğü için optimum boyutlar, 8 mm'lik oluk derinliği, 160 kg ha-1 ekim normu ve 2,0 m s-1 ilerleme hızından elde edilmiştir.

Anahtar Kelimeler

Oluk çapı, oluk derinliği, ekim normu, ilerleme hızı, kuru fasulye

Evaluation of the Seed Flow Uniformity of the Fluted Feed Roller Designed for Coarse-Grained Seeds

Öz

ABSTRACT
It is not easy to achieve a successful distribution uniformity pattern for seeds of different physical properties in the seeders with fluted roller metering device. Therefore, improving the flow rate uniformity in fluted roller seeders is still an important research focus. In this study, the nine fluted rollers designed for coarse-grained seeds and with the flute diameters of 18, 20, and 22 mm and the flute depths of 5, 8, and 11 mm were evaluated for dry bean seed. Each fluted roller were operated at the ground speeds of 1.0, 1.5, and 2.0 m s-1 for at the seed rates of 80, 120, and 160 kg ha-1. Performance for the flow accuracy of the seeds is taken into account in the evaluations and for this; the values of coefficient of variation were used. The optimum dimensions were determined by applying statistical analyses for the CV values obtained from each replication in the study conducted in three replications. According to the analysis results, it was determined that the prescribed flute diameters do not have a stable effect on the flow accuracy, the flow accuracy partially increased as flute depth was increased, and better as the seed rate and the speed of the feed shaft was increased. In this regard, the optimum dimensions for the best seed flow accuracy were obtained from the flute depth of 8 mm, seed rate of 160 kg ha-1, and at the ground speed of 2.0 m s-1.

Anahtar Kelimeler

flute diameter, flute depth, seed rate, ground speed, dry bean seed

Kaynakça

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