| NS | Non-separation intercropping |
| SS | Semi-separation intercropping |
| CS | Complete separation intercropping |
| MS | Monoculture |
| NM | Non-separation intercropping maize |
| SM | Semi-separation intercropping maize |
| CM | Complete separation intercropping maize |
| NP | Non-separation intercropping peanut |
| SP | Semi-separation intercropping peanut |
| CP | Complete separation intercropping peanut |
| LER | Land equivalent ratio |
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