1) Bertero, H.D., R.W. King and A.J. Hall 1999. Photoperiod-sensitive development phases in quinoa (Chenopodium quinoa WILLD.). Field Crops Res. 60 : 231-243.
3) Jensen, C.R., S.-E. Jacobsen, M.N. Andersen, N. Nunez, S.D. Andersen, L. Rasmussen, V.O. Mogensen 2000. Leaf gas exchange and water relation characteristics of field quinoa (Chenopodium quinoa WILLD.) during soil drying. Eur. J. Agron. 13 : 11-25.