Table 2 Alterations in the physical mass of shelled corn stored under different systems and durations.
Storage | Cracked corn | Normal corn | |||||||
---|---|---|---|---|---|---|---|---|---|
Time (months) | Time (months) | Time (months) | |||||||
Zero | Three | Six | Zero | Three | Six | Zero | Three | Six | |
Porosity (%)* | |||||||||
Aerated | 44.24 aA | 61.55 aB | 60.45 aB | 46.16 aA | 65.20 aB | 64.03 aB | 46.25 aA | 64.91 aB | 65.15 aB |
Airtight | 44.24 aA | 65.68 bC | 64.06 bB | 46.16 aA | 66.94 bcB | 66.38 bB | 46.25 aA | 66.67 bB | 65.47 aB |
Bag | 44.24 aA | 61.55 aC | 58.97 aB | 46.16 aA | 67.96 cC | 66.49 bB | 46.25 aA | 65.82 abB | 65.87 aB |
Non-aerated | 44.24 aA | 64.35 bB | 63.96 bB | 46.16 aA | 65.98 abB | 67.10 bB | 46.25 aA | 66.59 bB | 66.16 aB |
Bulk density apparent (kg m−3)* | |||||||||
Aerated | 740 aB | 730 bA | 730 bA | 760 aA | 770 aB | 770 aB | 750 aA | 780 aB | 800 bC |
Airtight | 740 aA | 760 dB | 770 dC | 760 aA | 770 aB | 800 cC | 750 aA | 790 bB | 810 cC |
Bag | 740 aC | 690 aA | 700 aB | 760 aA | 780 bB | 810 dC | 750 aA | 790 bB | 810 cC |
Non-aerated | 740 aA | 750 cB | 750 cC | 760 aA | 770 aB | 790 bC | 750 aA | 780 aB | 790 aC |
Thousand kernel weight (g)* | |||||||||
Aerated | 220 aC | 125 aA | 143 aB | 291 aC | 283 aB | 272 aA | 298 aA | 312 dB | 294 aA |
Airtight | 220 aB | 216 cA | 220 bB | 291 aA | 295 bB | 289 bA | 298 aB | 300 cB | 289 bA |
Bag | 220 aC | 150 bB | 140 aA | 291 aA | 300 cB | 295 bA | 298 aA | 305 bB | 298 cA |
Non-aerated | 220 aB | 234 dA | 230 cA | 291 aA | 301 cB | 300 cB | 298 aB | 299 aB | 294 aA |