Advances in the estimations and applications of critical nitrogen dilution curve and nitrogen nutrition index of major cereal crops. A review
Nitrogen (N) is one of the decisive elements for plant growth, crop biomass accumulation,
and yield formation of cereal crops. However, managing N in crop production and …
and yield formation of cereal crops. However, managing N in crop production and …
Remote sensing monitoring of rice and wheat canopy nitrogen: A review
J Zheng, X Song, G Yang, X Du, X Mei, X Yang - Remote Sensing, 2022 - mdpi.com
Nitrogen (N) is one of the most important elements for crop growth and yield formation.
Insufficient or excessive application of N fertilizers can limit crop yield and quality, especially …
Insufficient or excessive application of N fertilizers can limit crop yield and quality, especially …
Active canopy sensing of winter wheat nitrogen status: An evaluation of two sensor systems
Crop canopy sensor based in-season site-specific nitrogen (N) management is a promising
approach to precision N management. GreenSeeker sensor has previously been evaluated …
approach to precision N management. GreenSeeker sensor has previously been evaluated …
Integrating the textural and spectral information of UAV hyperspectral images for the improved estimation of rice aboveground biomass
T Xu, F Wang, L Xie, X Yao, J Zheng, J Li, S Chen - Remote Sensing, 2022 - mdpi.com
The accurate and rapid estimation of the aboveground biomass (AGB) of rice is crucial to
food security. Unmanned aerial vehicles (UAVs) mounted with hyperspectral sensors can …
food security. Unmanned aerial vehicles (UAVs) mounted with hyperspectral sensors can …
Enhancing the nitrogen signals of rice canopies across critical growth stages through the integration of textural and spectral information from unmanned aerial vehicle …
This paper evaluates the potential of integrating textural and spectral information from
unmanned aerial vehicle (UAV)-based multispectral imagery for improving the quantification …
unmanned aerial vehicle (UAV)-based multispectral imagery for improving the quantification …
Active optical sensing of spring maize for in-season diagnosis of nitrogen status based on nitrogen nutrition index
The nitrogen (N) nutrition index (NNI) is a reliable indicator of crop N status and there is an
urgent need to develop efficient technologies for non-destructive estimation of NNI to …
urgent need to develop efficient technologies for non-destructive estimation of NNI to …
Satellite remote sensing-based in-season diagnosis of rice nitrogen status in Northeast China
Rice farming in Northeast China is crucially important for China's food security and
sustainable development. A key challenge is how to optimize nitrogen (N) management to …
sustainable development. A key challenge is how to optimize nitrogen (N) management to …
Dynamic estimation of rice aboveground biomass based on spectral and spatial information extracted from hyperspectral remote sensing images at different …
T Xu, F Wang, Z Shi, L Xie, X Yao - ISPRS Journal of Photogrammetry and …, 2023 - Elsevier
Aboveground biomass (AGB) is an essential factor in rice ecological research. Optical
variables (eg reflectivity and vegetation index (VI)) are widely adopted in monitoring AGB …
variables (eg reflectivity and vegetation index (VI)) are widely adopted in monitoring AGB …
Assessing the impact of spatial resolution on the estimation of leaf nitrogen concentration over the full season of paddy rice using near-surface imaging spectroscopy …
Timely monitoring nitrogen status of rice crops with remote sensing can help us optimize
nitrogen fertilizer management and reduce environmental pollution. Recently, the use of …
nitrogen fertilizer management and reduce environmental pollution. Recently, the use of …
Improving active canopy sensor-based in-season rice nitrogen status diagnosis and recommendation using multi-source data fusion with machine learning
Accurate and non-destructive diagnosis of crop nitrogen (N) surplus and deficit status based
on N nutrition index (NNI) is crucially important for the success of precision N management …
on N nutrition index (NNI) is crucially important for the success of precision N management …