TY  - JOUR 
T1  - Phosphorus availability changes the internal and external endomycorrhizal colonization and affects symbiotic effectivenes
JO  - Scientia Agricola
A1  - Nogueira, Marco Antonio
A1  - Cardoso, Elke Jurandy Bran Nogueira
SN  - 0103-9016
UL  - 10.1590/S0103-90162007000300013
VL  - 64 
Y1  - 2007
PB  - Brazil 
ER  -