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- [1] INFLUENCE OF NITRATE AND AMMONIUM-IONS ON THE INTENSITY OF PHOTOSYNTHESIS IN PEA PROTOPLASTS DEPENDING ON THE OXYGEN CONCENTRATION DOKLADI NA BOLGARSKATA AKADEMIYA NA NAUKITE, 1980, 33 (11): : 1513 - 1516
- [3] EFFECT OF OXYGEN ON THE INTENSITY OF PHOTOSYNTHESIS IN SCENEDESMUS OBLIQUUS CULTIVATED ON NITRATE AND AMMONIUM NITROGEN DOKLADI NA BOLGARSKATA AKADEMIYA NA NAUKITE, 1980, 33 (11): : 1521 - 1524
- [7] Influence of nitrate and ammonium on the photosynthesis and nitrogen compounds concentration in cassava CIENCIA RURAL, 2008, 38 (03): : 643 - 649
- [10] EFFECT OF BICARBONATE AND CO2 CONCENTRATION INCREASE IN TISSUES ON ASSIMILATION OF AMMONIUM NITROGEN IN CATTLE ORGANISM UKRAINSKII BIOKHIMICHESKII ZHURNAL, 1980, 52 (02): : 209 - 212