The effect of postharvest processing machines on damage to maize seed.
Angelovic, M.; Jech, J.; Ponican, J.;
Zemedelska Technika Year: 1998 Vol: 44 Issue: 4 Pages: 141-145 Ref: 12 ref.
1998
บทคัดย่อ
The aim of this research was to monitor the influence of the mechanisms on maize seed damage during postharvest processing. Micro- and macro-damage of maize seed were monitored in each operation of the postharvest process. Samples of grain were collected from each mechanism including: incoming unshelled cobs; dehusked cobs; stationary dehusker; drier; the cob mix and shelled grain; and pre-cleaning. The measurements were conducted over a period of 2 years on 3 maize seed hybrids (CE-215, CE-265, TO-455). Cobs coming through the postharvest linkage at moisture contents of 25-38% were damaged from 1.6 to 1.8%, depending upon hybrid. In each postharvest linkage, the critical place was the drier. Maize grain damage increased to 5.8% after drying. The final critical part in the monitored postharvest linkage was the sheller, where an increase in total damage of 12.3% was recorded. Maize grain damage due to impact was partially dependent upon the hardness of the grain.