TY  - JOUR
AU  - Goharbari, Ali Reza
AU  - Eradatmand Asli, davod
AU  - Usefirad, mojtaba
TI  - Physiological limiting factors of yield in different varieties of wheat, Triticum aestivum L., by changing 
source – sink relationships
JO  - Agroecology Journal
VL  - 5
IS  - 3
SP  - 63
EP  - 72
PY  - 2010
DO  - 
ER  -