TY  - BOOK
AU  - Alves,Maria de Fátima
TI  - Azolla-Anabaena azollae / 
U1  - 589.4 
PY  - 1985///
CY  - Belém : 
PB  - Faculdade de Ciências Agrárias do Pará, Serviço de Documentação e Informação, 
KW  - Anabaena azollae
KW  - Azolla
N2  - Azolla is a tiny aquatic Pteridophyta, with geographical distribution. It has in leaves cavity a ciano-bacteria, called Anabaena azollae. This association  has capacity to fix N2, in field at some order that the Symbiosis Rhizobium-leguminosa, becoming that a great potencial for the agricultural in areas of "varzea" (a temporary inundated plain). Deeper studies about this system many give the basis for genetic engineering engaging the genes nif
ER  -