TY  - JOUR 
T1  - Sourgrass densities affecting the initial growth and macronutrient content of coffee plants
JO  - Planta Daninha
A1  - Carvalho, L.B
A1  - Alves, P.L.C.A
A1  - Bianco, S
SN  - 0100-8358
UL  - 10.1590/S0100-83582013000100012
VL  - 31 
Y1  - 2013
PB  - Brasil 
ER  -