Height Difference when growing different strains in one tent

You can use pot boosters or LST to control the canopy height. This way they are all aorund the same. Legit any bucket or box under the shorter plant will work. You can also useing topping as an option but it will hurt yeilds on autoflowers. Photos and Fast versions only. Some plant explode in growth in flower so it might catch up. but hard to say. best to look at other diaries of that strain and see how theirs went. Take into account different grow styles maybe part of it. Soil vs hydro, amendments vs liquid nutrients. Good Luck!