confined space

Hi all. I've got this tiny cabinet I'm putting together. It's 1.2 x 1.2 x 2.6ft. The bucket is 2.8 gallon. Soil filled. And my light is a 90 Watt full spectrum LED. Thing is. I've only got bag seed from some of the decent smoke I've had. Now considering I don't really know what I'm planting. Is...