Spacing uniformity — Yield effects and in-field measurement

McPhee, John; Beattie, B. M.; Corkrey, Ross; Fennell, J. F. M.

doi:10.1007/bf02853075

Cited by 4 publications

(1 citation statement)

References 6 publications

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“…Accuracy of in-row seed spacing is the main parameter of the seed metering mechanism. Because, improvement of plant spacing uniformity leads to high yield, and to facilitate harvesting and post-harvest operations (McPhee et al 1996;Pavek & Thornton 2003). The plant uniformity affects development, yield and seed quality of plant (Bussan et al 2007;Güllüoglu & Arioglu 2009).…”

Section: Introductionmentioning

confidence: 99%

Effect of Cup Size, Seed Characteristics and Angular Speed on the Performance of an Automatic Potato Planter under Laboratory Conditions

Boydaş

2017

Tarım Bilimleri Dergisi

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Section: Introductionmentioning

confidence: 99%

Effect of Cup Size, Seed Characteristics and Angular Speed on the Performance of an Automatic Potato Planter under Laboratory Conditions

Boydaş

2017

Tarım Bilimleri Dergisi

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Assessment of the Behaviour of Potatoes in a Cup-belt Planter

Buitenwerf

Hoogmoed

Lerink³

et al. 2006

Biosystems Engineering

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Influence of Seed physical properties and speed on the external mechanical damage index and in-row spacing uniformity in an automatic potato planter

UYGAN¹

2012

Tarım Bilimleri Dergisi

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In this study, a new fully automatic potato planter was used in which the planting metering mechanism consists of cups and hold pins attached to the circumference of a vertical disc. In order to evaluate performance of the planting metering mechanism, in-row spacing uniformity and external mechanical damage index were determined (P<0.01). Also skips and doubles that caused deterioration of in-row spacing uniformity were investigated. In experiment, two potato varieties (Marfona and Agria) and two potato sizes (25-45 and 45-65 mm) were used. The ground speeds of potato planter were chosen as 3.5, 5.4 and 7.3 km h-1. The results obtained from the experiment indicated that the ground speeds and tuber physical properties significantly influenced tuber spacing accuracy and external mechanical damage index (P<0.01). While the ground speed increased, accuracy of tuber spacing decreased. The highest coefficient of variation (CV%) values were obtained from ground speed of 7.3 km h-1 , Marfona variety, and tubers between 25-45 mm, with 26.80%, 25.58% and 26.27%, respectively. The highest damage index values were obtained from ground speed of 7.3 km h-1 , Agria variety, and tubers between 45-65 mm, with 1.34, 1.18 and 1.23, respectively.

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Spacing uniformity — Yield effects and in-field measurement

Cited by 4 publications

References 6 publications

Effect of Cup Size, Seed Characteristics and Angular Speed on the Performance of an Automatic Potato Planter under Laboratory Conditions

Effect of Cup Size, Seed Characteristics and Angular Speed on the Performance of an Automatic Potato Planter under Laboratory Conditions

Assessment of the Behaviour of Potatoes in a Cup-belt Planter

Influence of Seed physical properties and speed on the external mechanical damage index and in-row spacing uniformity in an automatic potato planter

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