Siam weed also has substantial amount of biomass with nutrients content of 49.97% C-organic, 3.04% total N, 0.29% P, and
9.00% lignin [14]. The objective of the experiment was to compare the effects of weed based organic compost and dry
leaves compost with or without addition of nitrogen fertilizer on growth and yield of chili pepper.
II. MATERIALS AND METHODS