Sreela-or, C., Tharungsri, P. , Yamkong, S. , Kotam , P. and Jaipong, P. 2022. OPTIMUM CONDITIONS OF USING BIO-EXTRACT FROM URINE WITH VINASSE AND MANURE AFFECTING YIELDS OF MARIGOLD. Life Sciences and Environment Journal. 23, 2 (Sep. 2022), 283–296. DOI:https://doi.org/10.14456/lsej.2022.22.