Baltalı ve Diskli Gömücü Ayağa Sahip Tek Dane Ekim Makinalarının Sırta Ekim Performanslarının Karşılaştırılması
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Tarih
2017
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info:eu-repo/semantics/openAccess
Özet
Bu çalışmada, baltalı ve diskli gömücü ayağa sahip tek dane ekim makinalarının, sırta mısır ekim performanslarının belirlenmesi ve aralarındaki farklılıkların ortaya konması amaçlanmıştır. Makina ekim performanslarının belirlenmesi amacıyla hem laboratuvar hem de tarla denemeleri gerçekleştirilmiştir. Laboratuvarda yapılan yapışkan bant denemeleriyle makinaların sıra üzeri tohum dağılım düzgünlükleri belirlenmiştir. Tarla denemelerinde ise makinaların sıra üzeri bitki dağılım düzgünlüğü, tarla çıkış derecesi, ekim derinliği düzgünlüğü, ekim makinası tarla (tahrik) tekerleği negatif patinaj oranı (kayma) ve traktör tahrik tekerleği patinaj oranı değerleri saptanmıştır. Denemeler sonucunda, sıra üzeri tohum dağılım düzgünlüğü açısından laboratuvar şartlarında tüm makinalar genellikle "iyi" kalitede ekim yaparken, tarla şartlarında sırta ekimde kalitenin bir miktar azaldığı, ancak diskli gömücü ayağa sahip ekim makinalarının balta tipi gömücü ayağa sahip ekim makinalarına göre mısır tohumlarını çok daha yüksek kalitede ekebildiği belirlenmiştir. Firma bazında diskli tip makinaların baltalı tip makinalara oranla hem daha yüksek tarla çıkışı hem de daha düzgün ekim derinliği sağladığı saptanmıştır. Ekim makinası tarla tekerleğinde meydana gelen negatif patinaj (kayma) değerleri baltalı tip makinalarda % 0.93-5.34, diskli makinalarda ise % 9.14-10.24 değerlerinde bulunmuştur. Traktör arka tekerleğinde meydana gelen patinaj değerleri ise baltalı ve diskli makinalarda sırasıyla % 1.38-3.83 ve % 5.39-9.50 olarak belirlenmiştir. Tüm bulgular doğrultusunda sırta ekimde diskli tip gömücü ayağa sahip ekim makinalarının kullanılmasının uygun olacağı saptanmıştır
The objective of this study was to determine ridge planting performance of the precision seeders equipped with shoe and disc type coulters and to reveal differences between seeders. To meet this target both laboratory and field experimentswere conducted. Seed spacing distribution uniformity of the machines were determined using sticky belt tests at the laboratory. The values of plant spacing distribution uniformity, ratio of plant emergence, seeding depth uniformity, negative driven wheel slips of the seeders and driven wheel slips of the tractors were determined by the tests carried out on field conditions. Based on the experimental results, it was determined that, all seeders performances in terms of seed spacing distribution uniformity were found in “good” quality under laboratory conditions, while seeding quality in ridge planting on the field was determined lower than laboratory conditions for all seeders. But seeders equipped with disc type coulters were determined more effective than seeders equipped with shoe type coulters in high quality corn seeding under field conditions. It was found that seeders equipped with disc type coulters provided both higher plant emergences and more uniform seed depths in firm terms. The values of negative driven wheel slips of the seeders were determined as 0.93-5.34% and 9.14-10.24% for shoe type and disc type seeders, respectively. The values of driven wheel slips of the tractors were ranged from 1.38% to 3.83% and from 5.39% to 9.50% for shoe type and disc type seeders, respectively. Based on the all findings it was determined that seeders equipped with disc type coulters should be used in ridge planting.
The objective of this study was to determine ridge planting performance of the precision seeders equipped with shoe and disc type coulters and to reveal differences between seeders. To meet this target both laboratory and field experimentswere conducted. Seed spacing distribution uniformity of the machines were determined using sticky belt tests at the laboratory. The values of plant spacing distribution uniformity, ratio of plant emergence, seeding depth uniformity, negative driven wheel slips of the seeders and driven wheel slips of the tractors were determined by the tests carried out on field conditions. Based on the experimental results, it was determined that, all seeders performances in terms of seed spacing distribution uniformity were found in “good” quality under laboratory conditions, while seeding quality in ridge planting on the field was determined lower than laboratory conditions for all seeders. But seeders equipped with disc type coulters were determined more effective than seeders equipped with shoe type coulters in high quality corn seeding under field conditions. It was found that seeders equipped with disc type coulters provided both higher plant emergences and more uniform seed depths in firm terms. The values of negative driven wheel slips of the seeders were determined as 0.93-5.34% and 9.14-10.24% for shoe type and disc type seeders, respectively. The values of driven wheel slips of the tractors were ranged from 1.38% to 3.83% and from 5.39% to 9.50% for shoe type and disc type seeders, respectively. Based on the all findings it was determined that seeders equipped with disc type coulters should be used in ridge planting.
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23
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2
