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Metabolismo de Carbono na Agricultura Tropical.pdf - Webnode

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Ecofisiologia <strong>de</strong> plantas C 3 , C 4 e CAM<br />

TABELA 4. Valores máximos <strong>de</strong> taxa <strong>de</strong> crescimento <strong>de</strong> culturas (TCC) e<br />

<strong>de</strong> produtivida<strong>de</strong> <strong>de</strong> algumas plantas em C 3 , C 4 e CAM.<br />

Valores máximos da taxa Produtivida<strong>de</strong>s máximas <strong>de</strong><br />

<strong>de</strong> crescimento algumas culturas<br />

<strong>de</strong> algumas culturas (TCC)* (em kg. ha -1 . nº <strong>de</strong> dias -1 ):<br />

(em g. m -2 solo. dia -1 ):<br />

- Helianthus annus (C 3 ): 68 - Saccharum offici<strong>na</strong>rum (C 4 ):<br />

- Pennisetum purpureum (C 4 ): 60 250.000/360 dias<br />

- Agrostemma githago (C 3 ): 57 - Solanum tuberosum (C 3 ):<br />

- Orysa sativa (C 3 ): 55 95.000/90dias<br />

- Zea mays (C 4 ): 52 - Beta vulgaris (C 3 ):<br />

- Sorghum vulgare (C 4 ): 51 130.000/180 dias<br />

- Saccharum offici<strong>na</strong>rum (C 4 ): 38 - Pennisetum purpureum (C 4 ):<br />

- Solanum tuberosum (C 3 ): 37 85.000/365 dias<br />

- Glycine max (C 3 ): 17 - Manihot esculenta (C 3 ):<br />

41.000/365 dias<br />

- Sorghum vulgare (C 4 ):<br />

16.000/120 dias<br />

- Zea mays (C 4 ):<br />

16.000/130dias<br />

- Orysa sativa (C 3 ):<br />

8.000/140 dias<br />

- Pennisetum glaucum (C 4 ):<br />

4.000/100 dias<br />

- Phaseolus vulgaris (C 3 ):<br />

5.000/110 dias<br />

* valores mantidos por curto Dados <strong>de</strong> Osmond et al. (1982)<br />

tempo. Dados <strong>de</strong> Evans (1975). e Norman et al (1995).<br />

49

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