Toan Nguyen-Sy

3 Questions 4 Answers 0 Followers

Questions related from Toan Nguyen-Sy

Should we use suspension or pellet of bacterial to inoculate into soil?

I am reading some papers to get the method of how to inoculate Bacillus into soil. Some articles used suspension on the top, while some others used pellets at the bottom after centrifuging...

21 June 2020 7,482 0 View

Any changes in soil dissolved organic matter if we conduct second time extraction by hot/cold water?

I now extract 20 gram soil by hot/cold water by 30 mins shaking and 30 mins centrifuge. One of the parameters for analysis is δ 13C. I need to freeze dry extract to get the solid matter for...

06 July 2016 2,439 3 View

What causes red color appearance of the extracts after extracting soils by KCl?

I extracted soil samples from rice paddy long-term experiment by KCl10% after 4 week-anaerobic incubation (30 degree Celsius) and found that extract solutions of samples since 1983-1990 had been...

26 December 2015 6,595 15 View