1. Ammonium and nitrate nutrition of horticultural crops;Barker,1980
2. Metabolic detoxification of ammonia in tissues of higher plants;Givan;Phytochemistry,1979
3. Some aspects of ammonium and nitrate nutrition in plant metabolism;Kirkby,1970
4. Absorption and utilization of ammonium nitrogen by plants;Reisenauer,1978
5. Inhibitory effects of ammoniacal nitrogen on growth of radish plants. II. Investigation on the possible causes of ammonium toxicity to radish plants and its reversal by nitrate;Goyal;J. Am. Soc. Hort. Sci.,1982