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1969-1973: production in grains of maize, forage sorghum, kenaf and their mixtures
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| Grain yield expressed in dry substance (+) (t./ha) |
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| Pure cultivation and their mixtures |
1969 |
1970 |
1971 |
1972 |
1973 |
5 year average |
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| Maize |
3,0 b (*) |
2,9 b |
8,0 a |
7,7 a |
6,5 a |
5,9 a |
| Sorghum |
5,2 a |
5,3 a |
5,2 c |
7,0 ab |
3,9 c |
5,4 a |
| Kenaf |
0 |
0 |
0 |
0 |
0 |
0 |
| Maize - Sorghum |
4,3 a |
4,9 a |
7,2 ab |
7,5 a |
5,2 ab |
5,8 a |
| Maize - Kenaf |
1,9 c |
1,3 c |
4,5 c |
4,2 c |
4,9 b |
3,5 b |
| Sorghum - Kenaf |
2,7 b |
3,1 b |
2,8 d |
3,8 c |
2,0 d |
2,9 b |
| Maize - Sorghum - Kenaf |
- |
3,5 b |
6,7 b |
6,3 b |
4,7 bc |
5,3 |
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| (+) Grain yields are calculated on the basis of the corn ear (grain + ear) and the sorghum panicles (panicle + 1 cm peduncle). |
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| (*) Grain yields of the same year and their averages on 5 years that are not marked with the same letter are statistically significant for p = 0.05. |
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Source: "Il kenaf, non solo una nuova materia prima cellulosica" - G. Mignoni |
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Kenaf and Hemp? Yes, please! 
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K.E.F.I. S.p.A.