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The effect of benzothiadiazole (BTH) and arbutin (ARB) on sugar metabolism and plant fitness in cucumber growing hydroponically in media with different doses of NO3− and urea as nitrogen sources (100 % NO3−, 75 % NO3− + 25 % urea, and 50 % NO3− + 50 % urea) was studied on the 7th and 14th day after the treatment. The glucose, sucrose, and chlorophyll (Chl) content, acid and alkaline invertases...
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