Application of near to midinfrared spectroscopy to estimation of grain nitrogen content in cowpea (Vigna unguiculata) grown under multiple environmental conditions

Muranaka, S., Shono, M., Manjula, K., Takagi, H. & Ishikawa, H. (2015). Application of near to mid-infrared spectroscopy to estimation of grain nitrogen content in cowpea (Vigna unguiculata) grown under multiple environmental conditions. Journal of Biological and Food Science Research, 4(2), 16-24.