TY - BOOK AU - Krishnakumar A K AU - George E S AU - Karthikakuttyamma M TI - A Comparison of UV spectroscopy and ion selective electrode in the determination of nitrate in Hevea foliage PY - 1990/// PB - Indian Journal of Natural Rubber Research KW - Hevea KW - Ion selective electrode KW - UV Spectroscopy ER -