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Allelochemistry is the chemistry of substances released by one individual or one population that affects another population or individual. |
. | Dry weight of weeds (g/sq m) 47 days after applying crop residues | ||
Residue type | Wild oats | Grass weeds | Broad-leafed weeds |
Nil | 14 | 227 | 7 |
Field pea | 90 | 100 | 3 |
Canola (rapeseed) | 34 | 139 | 11 |
Sorghum | 65 | 116 | 8 |
Sunflower | 54 | 94 | 8 |
Wheat | 138 | 71 | 2 |