Spatial predictions of maize yields using QUEFTS – A comparison of methods

Mirjam S. Breure,Bas Kempen,Ellis Hoffland

Geoderma（2022）

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摘要

•Maps of P-Olsen and Exch-K are less accurate than pH and organic carbon.•Smoothing led to an overestimation of QUEFTS spatial yield predictions.•Calculate-then-interpolate provided most accurate QUEFTS yield predictions.

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关键词

QUEFTS,Transfer functions,Yield,Yield-limiting nutrient,Random forest modelling,Soil maps

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