使用随机森林和星球卫星图像预测不同灌系统下的胡卜树生理参数
Simone Pietro Garofalo1, Vincenzo Giannico1, Beatriz Lorente2
1Department of Soil, Plant and Food Sciences, University of Bari "Aldo Moro", Bari, Italy.
Frontiers in plant science
|April 4, 2024
概括
这项研究使用卫星图像和随机森林模型准确预测胡卜树的生理参数. 调查结果显示,灌方法之间的用水效率没有显著差异,突出了精准农业的潜力.
科学领域:
- 农业科学 农业科学
- 遥感 遥感 遥感 遥感
- 机器学习 机器学习
背景情况:
- 气候变化需要监测耐旱作物的植物生理学,如胡卜树.
- 遥感和机器学习对于分析大型农业数据集和田间变异性至关重要.
研究的目的:
- 开发准确的模型来预测胡卜树网络同化和口腔导电.
- 分析季节性变化和灌系统对胡卜树生理学的影响.
主要方法:
- 利用行星卫星图像来测量光谱带反射率值作为模型预测器.
- 使用随机森林建模方法,将其性能与多重线性回归进行比较.
主要成果:
- 随机森林模型实现了高准确性:R2 = 0.81的净同化和R2 = 0.70的口腔导电.
- 黄色和红色的光谱区域被确定为特别有影响力的预测因素.
- 在灌系统或雨水条件之间,没有发现内在用水效率的显著差异.
结论:
- 结合卫星遥感和机器学习,实现有效的精准农业.
- 能够有效地监测胡卜树中的植物生理参数.
更多相关视频
15:30A Telemetric, Gravimetric Platform for Real-Time Physiological Phenotyping of Plant–Environment Interactions
Published on: August 5, 2020
11.5K
11:37RGB and Spectral Root Imaging for Plant Phenotyping and Physiological Research: Experimental Setup and Imaging Protocols
Published on: August 8, 2017
16.2K
相关概念视频
01:19Survival Tree
84
Survival trees are a non-parametric method used in survival analysis to model the relationship between a set of covariates and the time until an event of interest occurs, often referred to as the "time-to-event" or "survival time." This method is particularly useful when dealing with censored data, where the event has not occurred for some individuals by the end of the study period, or when the exact time of the event is unknown.
Building a Survival Tree
Constructing a...
Building a Survival Tree
Constructing a...
84
02:16Light Acquisition
8.5K
In order to produce glucose, plants need to capture sufficient light energy. Many modern plants have evolved leaves specialized for light acquisition. Leaves can be only millimeters in width or tens of meters wide, depending on the environment. Due to competition for sunlight, evolution has driven the evolution of increasingly larger leaves and taller plants, to avoid shading by their neighbors with contaminant elaboration of root architecture and mechanisms to transport water and nutrients.
8.5K
01:11Regression Analysis
5.7K
Regression analysis is a statistical tool that describes a mathematical relationship between a dependent variable and one or more independent variables.
In regression analysis, a regression equation is determined based on the line of best fit– a line that best fits the data points plotted in a graph. This line is also called the regression line. The algebraic equation for the regression line is called the regression equation. It is represented as:
In regression analysis, a regression equation is determined based on the line of best fit– a line that best fits the data points plotted in a graph. This line is also called the regression line. The algebraic equation for the regression line is called the regression equation. It is represented as:
5.7K
01:46The Calvin Benson Cycle
4.5K
Ribulose 1,5- bisphosphate carboxylase/oxygenase (RuBisCo) is a critical enzyme that catalyzes carbon dioxide assimilation during photosynthesis. However, it is an inefficient enzyme, having an extremely slow catalytic rate. A typical enzyme can process about a thousand molecules per second; however, RuBisCo fixes only around three-carbon dioxides per second. Photosynthetic cells compensate for this slow rate by synthesizing very high amounts of RuBisCo, making it the most abundant single...
4.5K
01:25Multiple Regression
3.0K
Multiple regression assesses a linear relationship between one response or dependent variable and two or more independent variables. It has many practical applications.
Farmers can use multiple regression to determine the crop yield based on more than one factor, such as water availability, fertilizer, soil properties, etc. Here, the crop yield is the response or dependent variable as it depends on the other independent variables. The analysis requires the construction of a scatter plot...
Farmers can use multiple regression to determine the crop yield based on more than one factor, such as water availability, fertilizer, soil properties, etc. Here, the crop yield is the response or dependent variable as it depends on the other independent variables. The analysis requires the construction of a scatter plot...
3.0K