Work

Yield‐Dependent Allocation Functions Overestimate Root‐Derived Carbon Inputs in Wheat and Maize

Year: 2026

Type: article

Abstract: ABSTRACT Root‐derived carbon (C) inputs for wheat and maize were estimated using the yield‐based allocation functions of Bolinder et al. and Jacobs et al. Comparison with measured root C showed systematic overestimation that becomes larger as predicted C increases. Bolinder gave mean absolute errors (MAE) of 0.4 Mg C ha −1 (wheat) and 1.0 Mg C ha −1 (maize), Jacobs produced larger errors. These results indicate that static, yield‐dependent functions inadequately capture root‐derived C inputs, highlighting the need for dynamic, environment‐specific approaches.

Source: Journal of Plant Nutrition and Soil Science

DOI: 10.1002/jpln.70069

Author: Henrike Heinemann

Institution: Technische Universität Braunschweig

Language: English

Topic: Soil Carbon and Nitrogen Dynamics

Subfield: Soil Science

Field: Agricultural and Biological Sciences

Domain: Life Sciences

SDG: Zero hunger

Open Access status: hybrid

Estimated APC paid: $4,030