@ARTICLE {QI:2000, title = {Field evaluation of photothermal models for predicting the date of flowering and maturity in cover legumes using photothermal models}, author = {Qi, A. and Keatinge, J. and Wheeler, T. and Musitwa, F. and Shah, P and Subedi, M. and Papastylianou, I. and Cespedes, E. and Bening, C. and Ellis, R. }, journal = {Biological Agriculture and Horticulture}, year = {2000}, volume = {17}, pages = {349--365}, issn = {0144-8765}, }