You can but it’s not so easy to be precise on your application when you are using half a spray. Precision is sometimes key when making a mix. I recommend doing some sweet spot testing
How to find your sweet spot… - PheroTalk Pheromone Research Forum
It can be done most accurately when you have a smaller amount of ammo rather than a large amount of it.
I cannot recommend a certain amount of doses because we are all different and you need to find what works best for you.