Decomposição de resíduos de cultura de milho (Zea mays L.) medida pelo teor de carbono e relação C/N do solo

Foi feito um ensaio em vasos com três solos arenosos do município de Piracicaba a fim de se avaliar o período de decomposição mais ativa de restos de cultura de milho e início de estabilização desse processo e testar a determinação do teor de C do solo e da relação C/N como parâmetros de avaliação da decomposição. Utilizou-se o delineamento experimental inteiramente casualizado, com e sem adição do material orgânico e com adição de doses crescentes de nitrogênio. Concluiu-se o seguinte: a) Tanto o teor de C do solo como a relação C/N foram eficientes para alcançar o objetivo visado, devendo-se, entretanto, para fins práticos, utilizar o primeiro processo por ser de execução mais fácil e mais rápida, b) A decomposição tendeu a se estabilizar aos 45 dias, aproximadamente, após o início da incubação.

A new subspecies of Sceloporus Jarrovii from Mexico, by Hobart M. Smith and Bryce C. Brown.

v.24:no.23(1941)

Parallelism in the evolution of the Permian reptilian faunas of the Old and New Worlds / Everett C. Olson.

v.37:no.13(1955)

Patterns of snake evolution suggested by their proteins : a contribution in celebration of the distinguished scholarship of Robert F. Inger on the occasion of his sixty-fifth birthday / Herbert C. Dessauer, John E. Cadle, Robin Lawson.

n.s. no.34(1987)

Diet, feeding behavior, growth, and numbers of a population of Cerberus rynchops (Serpentes: Homalopsinae) in Malaysia / Bruce C. Jayne, Harold K. Voris, Kiew Bong Heang.

n.s. no.50(1988)

A new harvest mouse from Wisconsin, by Harold C. Hanson.

v.29:no.14(1944)

Notes on fishes of the family Hemirhamphidae, by Alfred C. Weed.

v.20:no.7(1933)

Notes on sea-basses of the genus Centropristes, by Alfred C. Weed.

v.20:no.23(1937)

The herpetological fauna of the Salama Basin, Baja Verapaz, Guatemala, by Karl P. Schmidt and L. C. Stuart.

v.24:no.21(1941)

Food habits of some Arctic birds and mammals / by Clarence Cottam and Harold C. Hanson.

v.20:no.31(1932)

Taxonomy and nomenclature of the bronzed cowbird, currently called Tangavius aeneus [by] Kenneth C. Parkes and Emmet R. Blake.

v.44:no.22(1964)

Abundância e flutuação populacional das espécies de Chrysomya (Diptera, Calliphoridae) em Pelotas, Rio Grande do Sul, Brasil

To estimate the populational fluctuation of Chrysomya Robineau-Desvoidy, 1830 species and the relation of populational abundance around, six wind oriented trap (WOT) were placed in three distinct ecological areas (urban, rural and wild) in Pelotas, Rio Grande do Sul, Brazil, from February/1993 to January/1995. The flies were weekly collected. Captured species were Chrysomya albiceps Wiedmann, 1819, C. megacephala Fabricius, 1794 and C. putoria Wiedmann, 1830 with respective abundance of 64.5%, 19.7% and 0.9%, representing a total of 85.0% of 409,920 specimens of Calliphoridae. The three species demonstrated similarity in the populational fluctuation, except in the abundance. The populational peak ocurred in autum when the temperature decreases. In the months of July to November no fly was collected, recomposing the population in December, when the temperature surpassed 20ºC.

Notes on several lizards of the genus Emoia, with descriptions of new species from the Solomon Islands / Walter C. Brown.

v.34:no.25(1954)

The painted turtles of the genus Chrysemys, by Sherman C. Bishop and F. J. W. Schmidt.

v.18:no.4(1931)