作者: Luc Anselin , Rodolfo Bongiovanni , Jess Lowenberg‐DeBoer
DOI: 10.1111/J.0002-9092.2004.00610.X
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摘要: The objective of this study is to determine the potential for using spatial econometric analysis combine yield monitor data estimate site-specific crop response functions. specific case nitrogen (N) application corn production in Argentina. Spatial structure modeled with landscape variables, spatially autoregressive error and groupwise heteroskedasticity. Results suggest that N differs by position, may be modestly profitable. Profitability depends on model specification used, all models consistently indicating profitability, whereas nonspatial do not.