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Global mean nitrogen recovery efficiency in croplands can be enhanced by optimal nutrient, crop and soil management practices

Agriculture

Global mean nitrogen recovery efficiency in croplands can be enhanced by optimal nutrient, crop and soil management practices

L. You, G. H. Ros, et al.

Discover how optimizing nutrient and crop management could lead to a 30% increase in nitrogen recovery efficiency, reconciling crop production with acceptable nitrogen losses. This groundbreaking research was conducted by Luncheng You, Gerard H. Ros, Yongliang Chen, Qi Shao, Madaline D. Young, Fusuo Zhang, and Wim de Vries.

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Playback language: English
Abstract
Increasing nitrogen (N) recovery efficiency (NUEr) is crucial for sustainable food production. This study assessed the impacts of nutrient, crop, and soil management on NUEr using meta-regression models with 2436 observations from 407 studies. Nutrient management increased NUEr by 3.6–11%, crop management by 4.4–8%, while tillage reduction showed no significant effect. Site conditions strongly influenced NUEr changes. Models predict a 30% global mean NUEr increase (from 48% to 78%) with optimal management, mostly achievable by optimizing nutrient (27%) and crop (6.6%) management. This increase would largely reconcile crop production with acceptable N losses.
Publisher
Nature Communications
Published On
Sep 16, 2023
Authors
Luncheng You, Gerard H. Ros, Yongliang Chen, Qi Shao, Madaline D. Young, Fusuo Zhang, Wim de Vries
Tags
Nitrogen Recovery Efficiency
Sustainable Agriculture
Nutrient Management
Crop Management
Soil Management
Meta-Regression Models

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