Multisite Yield Gap Analysis of Miscanthus × giganteus Using the STICS Model

作者: Loïc Strullu , Fabien Ferchaud , Nicola Yates , Ian Shield , Nicolas Beaudoin

DOI: 10.1007/S12155-015-9625-Y

关键词:

摘要: Development and use of models to predict study the production environmental impacts biomass cropping systems are great interest for their sustainable development. Improvements were made research version STICS crop–soil model in order simulate Miscanthus × giganteus long term. This was then validated on a large database various pedoclimatic environments France UK. The accurately simulated nitrogen (N) content aboveground biomass, from planting until 4 20 years cultivation. efficiency (EF) 0.80 0.64 N content, respectively, values relative RMSE 23 31 %. Soil water mineral contents also satisfactorily predicted (EF = 0.96 0.42; RMSE = 10 72 %). reproduced effect management practices harvested export. Yield gap analysis using simulations with without active stresses revealed that limited by both availability during establishment phase but mainly post-establishment phase. can such as drainage nitrate leaching compare strategies varying fertilization, irrigation harvest date.

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