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Development a simple laboratory unit for calibration and testing seed drills [electronic resource].

By:

Bahnasy, A. F

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Language: English Summary language: Arabic Description: P. 10109-10117Other title:

تطوير وحدة معملية بسيطة لمعايرة واختبار آلات تسطير الحبوب [Added title page title]

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Mansoura University journal of agricultural sciences, 2007 v. 32 (12) [electronic resource].

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In: Mansoura Unviersity Journal of Agricultural Sciences 2007.v.32(12)Summary: A simple laboratory unit for calibration and testing seed drills was developed. It was consisted of iron frame. Variable speed electric motor and two support rolls covered with rubber to control the ground wheel revaluations of the seed drill. The developed unit was checked by operating Colorado seed drill under different treatments, which included three simulated ground wheel speeds and three inflation pressures of the ground wheel. The outputs which affected by these treatments were application rate of wheat seeds and coefficient of variation.

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A simple laboratory unit for calibration and testing seed drills was developed. It was consisted of iron frame. Variable speed electric motor and two support rolls covered with rubber to control the ground wheel revaluations of the seed drill. The developed unit was checked by operating Colorado seed drill under different treatments, which included three simulated ground wheel speeds and three inflation pressures of the ground wheel. The outputs which affected by these treatments were application rate of wheat seeds and coefficient of variation.

Summary in Arabic.

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