Technical Evaluation of Seed Corn Drying Systems in Moghan for Improvement Mechanisms.
2009
Gazor, Hamid Reza | Hamidi, Aydin | Mostufi, Mohammad Reza | A`del Zadeh, Reza | Sherafati, Keyhan | Reza Zadeh, Ja`far | Asgari, Victoria | Dehqan Sho`ar, Majid
In this research cleaning, drying and grading of corn seed were investigated in Ardabil provinces (Mogan zone). Beside investigation of corn seed drying and processing machineries, some items such as moisture changes of corn seeds, broken and cracked seeds, germination and vigor studied during process in four seed process factories. Result of investigation showed that using combine in corn seed harvesting season causes to seed damages such as breaking and cracking. Besides loss time and high energy consumption occurred during drying process. Storage of seeds as bulk on the cement or asphalt surface may causes environment pollution and insects attack. Although the most seed breaking observed in larg and round seeds, the most cracked seeds were round. Cracked seeds had increasing trend and direct relationship with moisture. Numbers and revolution speed of bucket elevators had direct effect on seeds physical damages. It may increase up seed cracking more than 30 percent. In totality about 15 percent of seeds go out of process line as broken seeds. Besides 30 percent of seeds cracked during process. Endosperm damages increased risk of planting and cusses to lack or poor germination. Comparison between before and after sizing steps indicated that gravity and sizing of seeds had significant effect on seed quality. By refer to seed germination; improvement of large seed germination up to 95 percent was noticeable.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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