To get a good salary as a Food Technologist you should keep this points in mind:

• Prepare well in preservation and bacterial sciences. This is the sector where the maximum recruitment is done and if you have good knowledge you can get a good salary.
• Do your practical solely. As you know you are studying a application subject so you should have experiment to work in lab and lab environment.
• Get your spoken skill good (if not good)
• Try to analyze techniques rather than to memorize. In this field you will need a lot of common sense and quick decision making. So if you can build a good analyzation then you will surely land with a good salary package.

To know more about the role and career of Food Scientist you may visit the link provided below:

https://www.careers360.com/careers/food-scientist

I hope my answer helps. All the very best for your future endeavors!