bottom fan leaves going yellow first organic grow cfl 300watt grow, 6 weeks from seed

OK so my first grow, i haven't grown before so i decided to grow organic, im not too sure why they are yellow the rest of the plants look really healthy, they are 6 weeks since they popped up all i have used it compost from my garden, anything you guys suggest i should use?

they are dna genetics slee x skunk

since u are going organic ,urine is he strongest foprm of nitogen. pea in a 1 gallon jug then fill with ater shake the jug then water. watch the plants get lushios

haha seriously? might try this

Fecal matter works better.