| Treatment | Mother trials (fresh t ha−1) | Group baby trials (fresh t ha−1) | Average (fresh t ha−1) | |||
| Season1 | Season 2 | Season 1 | Season 2 | |||
| Fertilizer (F) | No application (control) | 2.4 | 3.3 | 2.0 b | 4.4 | 3.1 c |
| Mineral fertilizer | 9.3 | 6.3 | 6.3 a | 6.2 | 6.8 ab | |
| Manure | 9.0 | 7.1 | 4.1 ab | 5.1 | 5.8 b | |
| Manure + mineral fertilizer | 14.9 | 8.8 | 5.8 a | 6.6 | 8.1 a | |
| Vegetable (V) | Bell pepper | 1.4 | 4.1 | 1.0 de | 1.0 c | 1.6 e |
| Cabbage | 39.1 | 2.6 | 10.2 a | 3.2 c | 11.4 a | |
| Carrot | 9.8 | 6.9 | 9.7 a | 2.0 bc | 7.7 abcd | |
| Chili | 0.9 | 8.0 | 0.9 e | 2.6 c | 2.9 e | |
| Egg plant | 6.1 | 5.4 | 1.8 cde | 5.5 bc | 4.5 cde | |
| Lettuce | 15.2 | 5.1 | 9.5 ab | 1.8c | 7.8 bcd | |
| Melon | ? | 4.7 | ? | 5.8 bc | 5.4 bcde | |
| Onion | 4.0 | 11.5 | 2.4 cde | 13.0 a | 8.4 ab | |
| Potato | 5.8 | 11.3 | 5.0 c | 7.8 b | 7.3 bc | |
| Pumpkin | 10.2 | 0.1 | 5.8 bcd | 0.6 c | 4.8 cde | |
| Sweet potato | 7.6 | 0.3 | 2.9 cde | 0.2 c | 3.4 e | |
| Tomato | 1.7 | 6.6 | 2.6 cde | 5.0 bc | 3.9 de | |
| Zucchini | 7.2 | 0.8 | 2.0 cde | 2.7 bc | 3.4 e | |
| F | n.s. | n.s. | ** | n.s. | ** | |
| V | n.s. | n.s. | *** | *** | *** | |
| F X V | n.s. | n.s. | ** | n.s. | n.s. | |