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Journal of Soil Sciences and Agricultural Engineering
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Badawy, M., Shaaban, Y., El-Ghobashy, H., Radwan, G. (2016). Development and Performance Evaluation of Precision Metering Unit For Wheat Planting. Journal of Soil Sciences and Agricultural Engineering, 7(7), 477-485. doi: 10.21608/jssae.2016.39689
M. Badawy; Y. Shaaban; H. El-Ghobashy; G. Radwan. "Development and Performance Evaluation of Precision Metering Unit For Wheat Planting". Journal of Soil Sciences and Agricultural Engineering, 7, 7, 2016, 477-485. doi: 10.21608/jssae.2016.39689
Badawy, M., Shaaban, Y., El-Ghobashy, H., Radwan, G. (2016). 'Development and Performance Evaluation of Precision Metering Unit For Wheat Planting', Journal of Soil Sciences and Agricultural Engineering, 7(7), pp. 477-485. doi: 10.21608/jssae.2016.39689
Badawy, M., Shaaban, Y., El-Ghobashy, H., Radwan, G. Development and Performance Evaluation of Precision Metering Unit For Wheat Planting. Journal of Soil Sciences and Agricultural Engineering, 2016; 7(7): 477-485. doi: 10.21608/jssae.2016.39689

Development and Performance Evaluation of Precision Metering Unit For Wheat Planting

Article 6, Volume 7, Issue 7, July 2016, Page 477-485  XML PDF (729.06 K)
Document Type: Original Article
DOI: 10.21608/jssae.2016.39689
Authors
M. Badawy; Y. Shaaban; H. El-Ghobashy; G. Radwan
Head Researcher, Agric. Eng. Res. Institute, Agric. Res. Center, Dokki, Egypt.
Abstract
 
Planting wheat crop at equal in rows distance between them can be accurately achieved, only when using vacuum precision planters (VPP). Accordingly, the grain metering device of imported precision vacuum planter under this study was developed for planting rows with 150 mm apart instead of 300 mm compared with other imported VPP in the market. The developed precision vacuum planter is tested in Gemeza Research Station (2013-2014) under three forward speeds (2.5, 3.1 and 4.8 km h-1), and four disc speeds 25 (0.28), 31 (0.34), 37 (0.41) and 49-rpm, (0.54 m/s). The dual interaction effect between different forward speeds and disc speeds resulted in 12 grain rates. The performance evaluation was conducted to determine the effect of the different grain rates (12 grain rates) on grain and straw yields. Measurements were taken for mean grain spacing, number of grains per meter square, grain miss index, grain multiple index, quality of feed index, spacing uniformity, the amount of grain rates /fed and grain and straw yields/fed was investigated under field conditions. The optimum parameters were obtained at 34 kg /fed grain rate with high grain yield (2.8 ton/fed) and straw yield (4.5 ton/fed). The developed precision vacuum planter for wheat grains reduced grain rate by 43.3 % of the recommended grain rate in Egypt (60 kg/fed) with obtaining similar grain yields when using 34, 41, 44 and 56 kg/fed grain rates. Therefore, the new developed grain metering vacuum device is considered an effective solution for precise controlling of grain rates per feddan that invade Egyptian wheat area.
Keywords
Planter; Vacuum; grain rates; Wheat grains
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