Mapping Topsoil Total Nitrogen Using Random Forest and Modified Regression Kriging in Agricultural Areas of Central China

Mapping Topsoil Total Nitrogen Using Random Forest and Modified Regression Kriging in Agricultural Areas of Central China

Accurate understanding of spatial distribution and variability of soil total nitrogen (TN) is critical for the site-specific nitrogen management. Based on 4337 newly obtained soil observations and 33 covariates, this study applied the random forest (RF) algorithm and modified regression kriging (RF...

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Bibliographic Details
Main Authors: Liyuan Zhang, Zhenfu Wu, Xiaomei Sun, Junying Yan, Yueqi Sun, Peijia Liu, Jie Chen
Format: Article
Language:English
Published: MDPI AG 2023-03-01
Series:Plants
Subjects:
topsoil
total nitrogen
random forest
modified regression kriging
digital soil mapping
Henan province
Online Access:https://www.mdpi.com/2223-7747/12/7/1464

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