AUTHOR=Wang Tianli , Zhang Yi , Liu Haiyan , Li Fei , Guo Dayong , Cao Ning , Zhang Yubin TITLE=A combined model of shoot phosphorus uptake based on sparse data and active learning algorithm JOURNAL=Frontiers in Plant Science VOLUME=15 YEAR=2025 URL=https://www.frontiersin.org/journals/plant-science/articles/10.3389/fpls.2024.1470719 DOI=10.3389/fpls.2024.1470719 ISSN=1664-462X