AzaGuard Insecticide Nematicide has a 1+ year shelf life if stored away from extreme temperatures.
The mix ratio of Azaguard Insecticide Nematicide is entirely dependent on what you are treating for and on what type of plant. You will want to reference the Azaguard Product Label charts to see what your specific dilution ratio will need to be.
Per the label, AzaGuard Insecticide Nematicide may be applied using any powered or manual pesticide application equipment, which includes but is not restricted to: high-volume, low-volume, ultra-low volume, electrostatic, fogging, and chemigation. It is recommended to follow the manufacturer's instructions of the equipment you are using.
Please read the product label for complete instructions.