Table 1 Physical dimensions of the corn kernels stored under different systems and durations.
Storage | Whole corn | Cracked corn | Normal corn | ||||||
---|---|---|---|---|---|---|---|---|---|
Time (months) | Time (months) | Time (months) | |||||||
Zero | Three | Six | Zero | Three | Six | Zero | Three | Six | |
Length (mm)* | |||||||||
Aerated | 11.89 aC | 10.70 aA | 10.98 aB | 9.15 aB | 08.01 aA | 09.17 aB | 11.53 aA | 10.56 aA | 10.93 aB |
Airtight | 11.89 aC | 11.51 bB | 11.25 bA | 9.15 aA | 10.54 cC | 09.61 bB | 11.53 aB | 11.33 bA | 11.30 bA |
Bag | 11.89 aB | 11.46 bA | 11.52 bA | 9.15 aA | 09.15 bA | 12.23 dB | 11.53 aB | 11.40 bB | 11.43 cB |
Non-aerated | 11.89 aC | 11.51 bB | 11.38 bA | 9.15 aA | 10.31 cC | 10.21 cB | 11.53 aB | 11.35 bA | 11.48 cB |
Width (mm)* | |||||||||
Aerated | 7.98 aB | 8.18 cC | 7.82 cA | 6.94 aC | 5.94 aA | 6.79 aB | 7.94 aB | 8.02 bB | 7.66 aA |
Airtight | 7.98 aC | 7.75 aB | 7.68 aA | 6.94 aB | 6.87 cA | 6.84 aA | 7.94 aB | 7.79 bA | 7.74 bA |
Bag | 7.98 aB | 7.72 aA | 7.75 bA | 6.94 aC | 6.31 bA | 6.76 aB | 7.94 aB | 7.82 aA | 7.83 cA |
Non-aerated | 7.98 aB | 7.89 bA | 7.84 cA | 6.94 aA | 7.28 dB | 7.03 bA | 7.94 aC | 7.81 aB | 7.72 bA |
Thickness (mm)* | |||||||||
Aerated | 7.98 aC | 4.40 aA | 4.60 cB | 4.21 aB | 4.86 aC | 3.83 aA | 4.05 aA | 4.50 aA | 4.49 bB |
Airtight | 7.98 aB | 4.40 aA | 4.36 aA | 4.58 cA | 4.86 aB | 4.46 cA | 4.90 dD | 4.50 aA | 4.59 cB |
Bag | 7.98 aB | 4.40 aA | 4.43 bA | 4.44 bB | 4.86 aC | 4.19 bA | 4.37 bB | 4.50 aA | 4.39 aA |
Non-aerated | 7.98 aC | 4.40 aA | 4.64 cB | 4.49 bA | 4.86 aB | 4.93 dB | 4.77 cC | 4.50 aA | 4.63 dB |
Volume (mm3)* | |||||||||
Aerated | 218 aC | 208 bB | 188 aA | 160 aC | 097 aA | 132 aB | 215 aC | 199 aB | 187 aA |
Airtight | 218 aB | 202 aA | 206 bA | 160 aA | 169 cB | 171 bB | 215 aC | 210 bB | 207 bA |
Bag | 218 aB | 204 aA | 206 bA | 160 aB | 129 bA | 190 cC | 215 aB | 203 aA | 206 bA |
Non-aerated | 218 aB | 219 cB | 208 bA | 160 aA | 191 dC | 177 bB | 215 aB | 213 bB | 208 bA |
Projected area (mm2)* | |||||||||
Aerated | 40.99 aC | 38.13 aB | 36.07 aA | 34.61 aC | 24.22 aA | 29.18 aB | 40.52 aB | 36.95 aA | 36.39 aA |
Airtight | 40.99 aA | 39.07 aA | 40.24 cA | 34.61 aA | 36.95 cB | 36.97 bB | 40.52 aA | 40.53 cA | 40.20 cA |
Bag | 40.99 aA | 39.72 aA | 39.94 bA | 34.61 aB | 30.04 bA | 40.57 cC | 40.52 aA | 38.97 bA | 39.46 bA |
Non-aerated | 40.99 aA | 41.61 bA | 39.90 bA | 34.61 aA | 39.43 dC | 37.73 bB | 40.52 aA | 40.97 cA | 40.58 cA |
Sphericity (%)* | |||||||||
Aerated | 0.63 aA | 0.69 bA | 0.65 aA | 0.74 aB | 0.72 bB | 0.70 bA | 0.65 aA | 0.69 cB | 0.66 aA |
Airtight | 0.63 aA | 0.64 aA | 0.65 aA | 0.74 aC | 0.65 aA | 0.71 bB | 0.65 aA | 0.66 bA | 0.65 aA |
Bag | 0.63 aA | 0.64 aA | 0.64 aA | 0.74 aC | 0.69 bB | 0.63 aA | 0.65 aA | 0.64 cA | 0.64 aA |
Non-aerated | 0.63 aA | 0.65 aA | 0.65 aA | 0.74 aB | 0.70 bA | 0.69 bA | 0.65 aA | 0.66 bA | 0.65 aA |
Circularity (%)* | |||||||||
Aerated | 0.79 aC | 0.61 bB | 0.59 aA | 0.72 aC | 0.64 bB | 0.55 aA | 0.85 aB | 0.62 bA | 0.65 aA |
Airtight | 0.79 aB | 0.69 aA | 0.69 bA | 0.72 aA | 0.70 cA | 0.96 dB | 0.85 aB | 0.67 bA | 0.70 bA |
Bag | 0.79 aC | 0.59 cA | 0.74 cB | 0.72 aC | 0.55 aA | 0.82 cB | 0.85 aC | 0.54 aA | 0.68 bB |
Non-aerated | 0.79 aC | 0.67 aA | 0.73 cB | 0.72 aB | 0.65 bA | 0.75 bB | 0.85 aC | 0.74 cB | 0.68 bA |