TY  - JOUR 
T1  - Effects of early and late season defoliation on photosynthesis, growth and yield of mustard (Brassica juncea L.)
JO  - Brazilian Journal of Plant Physiology
A1  - Khan, N.A.
A1  - Lone, P.M.
SN  - 1677-0420
UL  - 10.1590/S1677-04202005000100015
VL  - 17 
Y1  - 2005
PB  - Brasil 
ER  -