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vol.24 número1EFEITO DE FUNGOS MVA NATIVOS E INTRODUZIDOS NO RENDIMENTO DE CORNICHÃOEXIGÊNCIAS TÉRMICAS E CARACTERÍSTICAS AGRONÔMICAS DE CULTIVARES COMERCIAIS E EXPERIMENTAIS DE GIRASSOL NA DEPRESSÃO CENTRAL DO RIO GRANDE DO SUL índice de autoresíndice de assuntospesquisa de artigos
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Ciência Rural

versão impressa ISSN 0103-8478

Resumo

KRABBE, Everton Luiz; DRIEMEYER, Daniel Júlio; GIRACCA, Ecila Maria Nunes  e  ANTONIOLLI, Zaida Inês. EFFECT OF DIFFERENT TILLAGE SYSTEMS ON OLIGOCHAETA POPULATIONS AND SOIL PHYSICAL CHARACTERISTICS. Cienc. Rural [online]. 1994, vol.24, n.1, pp.49-53. ISSN 0103-8478.  https://doi.org/10.1590/S0103-84781994000100010.

SUMMARY Purple Structured (Paleudult) Soil, in autumn, winter and spring seasons, during 1991, in Teutônia-RS, evaluations were done of the effects from different soil tillage systems (no till, conventional and natural forest) on soil physical and biological characteristics. The average geometric diameter of the water stable agregates and the number of oligoquetes for each season. The results from natural forest soil were greater in ali seasons, for average geometric diameter of the water stable agregates as much as for oligoquete population, continued from no till and conventional soil tiliage systems. This indict that the frequent mobilizations and incorporation from the soil mulching, allied with climatic factors, have large participation of soil characteristics.

Palavras-chave : water stable agregates; average geometrical diameter; tiliage systens; oligochaeta.

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