Refining the irrigation water requirement model for paddy field land preparation by empirical dataChusnul Arif, Moh Yanuar J. Purwanto, Satyanto Krido Saptomo, Sutoyo, Arien Heryansyah and Hanhan A. SofiyuddinBIO Web Conf., 123 (2024) 04011DOI: https://doi.org/10.1051/bioconf/202412304011