crotalaria juncea (orok-orok, lambau). this plant is usually used for fertilizer and has the potential to be bio-fuel

agricultural agriculture bio-fuel biofuel blooming blossom blossoming brown hemp crotalaria benghalensis cannabinua fenestrata juncea cultivate dramatic sky ecology ecosystem environmental conservation farm farming fertile soil fertilizer industry floral flower head freshness gold grow growth harvest herb herbal idyllic improvement indian isotropis argentea lambau medicine orok-orok petal plant plantation rural seed sun sunn sunny tranquility yellow