Adnan DEĞİRMENCİOĞLU, Bülent ÇAKMAK, Arzu YAZGI

Prototype twin vacuum disk metering unit for improved seed spacing uniformity performance at high forward speeds

The objective of this study was to design and develop a prototype twin vacuum disk metering unit so that seeding can be

Keywords:

Design, optimization, response surface methodology precision metering unit, vacuum, hole diameter,

PDF

___

Box GEP, Draper, N (1987). Empirical Model-Building and Response Surfaces. New York, NY, USA: John Wiley & Sons.
ISO (1984). ISO 7256/1-1984(E) Standard. Sowing Equipment-Test Methods - Part One, Single Seed Drills (Precision Drills), 7256/1. Geneva, Switzerland: International Organization for Standardization.
Kachman SD, Smith JA (1995). Alternative measures of accuracy in plant spacing planter using single seed metering. T ASAE 38: 379‐387.
Karayel D, Barut ZB, Özmerzi A (2004). Mathematical modelling of vacuum pressure on a precision seeder. Biosyst Eng 87: 437- 444
Karayel D, Özmerzi A (2001). Effect of forward speed and seed spacing on seeding uniformity of a precision vacuum metering unit for melon and cucumber seeds. Akdeniz Üniversitesi Ziraat Fakültesi Dergisi 14: 63-67 (in Turkish with abstract in English).
Moody FH, Hancock JH, Wilkerson JB (2003). Evaluating Planter Performance-Cotton Seed Placement Accuracy. St Joseph, MI, USA: ASAE.
Önal İ, Değirmencioğlu A, Yazgı A (2012). An evaluation of seed spacing accuracy of a vacuum type precision metering unit based on theoretical considerations and experiments. Turk J Agric For 36: 133-144.
Önal O, Önal İ (2009). Development of a computerized measurement system for in-row seed spacing accuracy, Turk J Agric For 33: 99-109.Panning JW, Kocher MF, Smith JA, Kachman SD (2000). Laboratory and field testing of seed spacing uniformity for sugar-beet planters. Appl Eng Agric 16: 7-13.
Rawlings JO (1988). Applied Regression Analysis. Pacific Grove, CA, USA: Wadsworth & Brooks/Cole Advanced Books & Software.
Siemens MC, Gayler RR (2016). Improving seed spacing uniformity of precision vegetable planters. Appl Eng Agric 32: 579-587.
Singh RC, Singh GD, Saraswat C (2005). Optimisation of design and operational parameters of a pneumatic seed metering device for seeding cotton seeds. Biosyst Eng 92: 429-438.
Staggenborg SA, Fjell DL, Devlin DL, Gordon WB, Maddux LD, Marsh BH (1999). Selecting optimum seeding dates and plant populations for dryland corn in Kansas. J Prod Agric 12: 85-90.
Yazgi A, Degirmencioglu A (2007). Optimisation of the seed spacing uniformity performance of a vacuum-type precision seeder using response surface methodology. Biosyst Eng 97: 347-356.
Yazgı A, Değirmencioğlu A (2016). Development of prediction functions for a maximized precision seeding performance based on optimized variables. Ege Üniversitesi Ziraat Fakültesi Dergisi 53: 179-187.