A New Critical Nitrogen Dilution Curve for Rice Nitrogen Status Diagnosis in Northeast China
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Cited by (32)
Precision nitrogen management regimes to obtain high yield and good eating quality of medium indica hybrid rice in mechanical transplanting with bowl-type nursery tray (MTB) based on the critical nitrogen concentration
2023, European Journal of AgronomyCitation Excerpt :Therefore, the Nc model is an important means for accurate N management to promote the production of high-yield and high-quality in rice plants. Several Nc models have been constructed based on the total dry matter (TDM) for rice covered by double-cropping rice and single-season indica and japonica rice in tropical and temperate regions worldwide (Sheehy et al., 1998; Ata-Ul-Karim et al., 2013, 2017; Huang et al., 2018a; Lv et al., 2018). However, existing Nc models have presented different findings because a Nc model is significantly affected by ecotypes and genotypes (Ata-Ul-Karim et al., 2013; Yao et al., 2021).
Improving active canopy sensor-based in-season rice nitrogen status diagnosis and recommendation using multi-source data fusion with machine learning
2022, Journal of Cleaner ProductionCitation Excerpt :In South China, there are two or even three rice seasons in a year and rice is generally planted in rotation with wheat. As a result, different critical N dilution curves have been developed for rice in Northeast China and South China (Ata-Ul-Karim et al., 2013; Huang et al., 2018). For NNI prediction in different regions, different critical N dilution curves will need to be used, which makes it challenging to develop general NNI prediction models across different regions (Li et al., 2022b).
Advances in the estimations and applications of critical nitrogen dilution curve and nitrogen nutrition index of major cereal crops. A review
2022, Computers and Electronics in AgricultureCitation Excerpt :Besides, intraspecies and interspecies differences in the %Nc curve (Justes et al., 1994; Bélanger et al., 2001; Du et al., 2020; Fabini et al., 2020; Wang et al., 2020b), as well as between experimental sites have also been widely reported (Katsura et al., 2010; Wang et al., 2020b). Therefore, some researchers have constructed species-specific %Nc curves for different crop species, including major cereal crops (Huang et al., 2018; Liu et al., 2020b; Zhao et al., 2020). Being the major consumer of N fertilizer, wheat, rice, and maize have attracted the attention of agronomists working on the development of N management strategies.
Sweet pepper and nitrogen supply in greenhouse production: Critical nitrogen curve, agronomic responses and risk of nitrogen loss
2020, European Journal of AgronomyCitation Excerpt :The NNI is used to develop optimal N management practices (Lemaire and Gastal, 1997; Lemaire et al., 2008) and to assess methods that monitor crop N status (Tremblay et al., 2011; Peña-Fleitas et al., 2015; Padilla et al., 2016; Thompson et al., 2017a). Specific CNCs have been determined for various crop species such as wheat (Justes et al., 1994), rice (Huang et al., 2018), maize (Yue et al., 2014), potato (Giletto and Echeverría, 2015; Abdallah et al., 2016), tomato (Tei et al., 2002; Padilla et al., 2015) and cucumber (Padilla et al., 2016). A species-specific CNC is a required tool for the development of improved N management practices for intensively managed pepper crops.