What is the difference between the process of photosynthesis in dark and in sunlight

The main difference between light and dark reaction is that light reaction is the first stage of photosynthesis, which traps light energy in order to produce ATP and NADPH whereas dark reaction is the second stage of photosynthesis, which produces glucose by using the energy form ATP and NADPH produced from the light.

Omg just reading this experiment made me really -growing some plants both outside and the greenhouse (only suppose to keep it in one place) -why would you get two different composts? -adding the one kind of compost before the seed was planted-adding a different kind of compost after the seeds are planted-and maybe two many different kinds of plants (they grow at different paces)man this is a terrible experiment