A global dataset to parametrize critical nitrogen dilution curves for major crop species

Authors:<br>Ignacio Ciampitti1, Emmanuela van Versendaal1, Juan Francisco Rybecky1, Josefina Lacasa1, Javier Fernandez1, David Makowski2, and Gilles Lemaire3<br>1 Department of Agronomy, Kansas State University2 University Paris-Saclay, INRAE, AgroParisTech3 INRAE<br><br>This dataset contains the result of extracting data of plant biomass and plant N concentration from 36 papers with a total of 4454 observations for 19 major crop species from 16 countries around the globe. This dataset is relevant to develop more universal critical N dilution curves, help to pinpoint factors limiting plant N status (and N nutrition index, NNI), and lead to refine N recommendation for major crop species under broad scenarios of different genotypes, environment, and management (GxExM).<br><br>For more information related to this dataset or codes, please contact the corresponding author at: [e-mail]<br>For cite the dataset, please use:<br>Ciampitti, I., van Versendaal, E., Rybecky, J.F., Lacasa, J., Fernandez, J., Makowski, D., &amp; Lemaire, G. A global dataset to parametrize critical nitrogen dilution curves for major crop species. figshare https://figshare.com/s/3e3f60fe55c1ef6ff62a (2022).

作者：Ignacio Ciampitti¹, Emmanuela van Versendaal¹, Juan Francisco Rybecky¹, Josefina Lacasa¹, Javier Fernandez¹, David Makowski², Gilles Lemaire³
¹ 堪萨斯州立大学农学系；² 巴黎萨克雷大学、法国国家农业食品与环境研究院（INRAE）、巴黎高科农业学院；³ 法国国家农业食品与环境研究院（INRAE）

本数据集提取自36篇学术文献，涵盖全球16个国家的19种主要农作物，共计4454条观测数据，内容包含植株生物量与植株氮浓度相关信息。

本数据集可用于构建更具普适性的临界氮稀释曲线，助力精准定位限制植株氮素状态（及氮营养指数NNI）的关键因素，并可针对不同基因型、环境与管理互作（GxExM）的多元场景，优化主要农作物的氮肥推荐方案。

如需获取本数据集或配套代码的更多信息，请联系通讯作者：[e-mail]

如需引用本数据集，请采用以下格式：
Ciampitti, I., van Versendaal, E., Rybecky, J.F., Lacasa, J., Fernandez, J., Makowski, D., & Lemaire, G. 用于参数化主要农作物临界氮稀释曲线的全球数据集. figshare https://figshare.com/s/3e3f60fe55c1ef6ff62a (2022)