Method and device for plants carbon isotope labelling
An isotope labeling, plant carbon technology, applied in the field of isotope tracing, can solve the problems of difficult carbon dioxide gas leakage, incompatibility, complexity, etc., and achieve the effects of simple operation method, improved utilization efficiency, and simple device structure
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[0023] The method for plant carbon isotope labeling of the present invention comprises the following steps:
[0024] A. Add soil to the cultivation tray, take fresh surface soil (0-20 cm) equivalent to 40-60 kg of dry weight and low organic matter content, remove visible plant residues, and pass through a 2 mm aperture sieve after proper air drying , spray the mixed solution of ammonium sulfate, sodium dihydrogen phosphate and potassium chloride evenly in the soil, and the amount of nitrogen, phosphorus and potassium applied are 80, 20 and 80 mg / kg soil respectively, and the soil is divided into long × In a cultivation tray with a width of 45 x 15 cm and a height of 45 x 15 cm, 13-15 kg of soil is placed in each pan. Wash the seeds of rice or corn with water first, place them in a petri dish lined with filter paper, add 10 ml of distilled water, and place the petri dish at 25°C for 3-4 days to germinate the seeds. Sow germinated seeds such as rice or corn into the cultivation...
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