ประโยค

ประโยค

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Project Name Measuring and comparing nitrogen derived from each nut root knot
(Measurement and Comparison of Nitrogen obtained from
each type of Bean Root Node.)
The author Mr. Phukhajorn Boonsam
B.Sc. (Biology)
Academic Year 2020
Abstract
The project aims to measure and compare nitrogen values in the form of nitrates derived from five types of pea root knots: lentils, black beans, red beans, green beans and poo beans, compared to pots that are not grown in any plant. Lighting and planting time The analysis uses absorption measured by the UV vis spectrophotometer. Using Mehlich I reagent Reagent A 0.5 ml and Mixed powder 0.02 g, which is an optimal condition for nitrate analysis reactions and takes 5 minutes to react, which is the perfect time to react. Use wavelength 550 Nanometers, which are light wavelengths, find the max visible value of the middle solution, which hereinafter is a soil solution that grows poo beans to measure the absorption of the machine. According to the study, the absorption value of all types of bean-based soil solutions is higher than normal soils used as comparisons>. Therefore, green beans are the type of beans that get the greatest amount of nitrates based on a darker color.

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