Long-term trends of corn yield and soil organic matter in different crop sequences and soil fertility treatments on the Morrow Plots
S Aref, MM Wander - Advances in agronomy, 1997 - Elsevier
Publisher Summary The chapter describes the history of the Morrow Plots and the effects of
their experimental treatments on corn yield and soil variables. Statistical analyses of the …
their experimental treatments on corn yield and soil variables. Statistical analyses of the …
Estimating corn yield response models to predict impacts of climate change
Projections of the impacts of climate change on agriculture require flexible and accurate
yield response models. Typically, estimated yield response models have used fixed …
yield response models. Typically, estimated yield response models have used fixed …
Measuring weather impact on crop yield using aridity index: Evidence from Odisha
Rainfall and temperature are the two important weather factors that affect crop yields due to
their direct and indirect influences on agricultural practices. This study has negated the …
their direct and indirect influences on agricultural practices. This study has negated the …
Revisiting the evaluation of robust regression techniques for crop yield data detrending
R Finger - American Journal of Agricultural Economics, 2010 - Wiley Online Library
Abstract Using a Monte Carlo experiment, the performance of the ordinary least squares
(OLS) and the MM‐estimator, a robust regression technique, is compared in an application …
(OLS) and the MM‐estimator, a robust regression technique, is compared in an application …
Trend, weather variables, and the distribution of US corn yields
MS Kaylen, SS Koroma - Applied Economic Perspectives and …, 1991 - Wiley Online Library
A Kalman filter algorithm and 1895–1988 data were used to estimate a US corn yield model
which incorporates a stochastic trend term and monthly weather indices. Yield growth …
which incorporates a stochastic trend term and monthly weather indices. Yield growth …
Losses from weather extremes in the United States
SA Changnon, GJD Hewings - Natural Hazards Review, 2001 - ascelibrary.org
Historical data on weather extremes and their effects on the nation's economy since the
1940s were assessed to develop annual measures of nationwide losses and to assess their …
1940s were assessed to develop annual measures of nationwide losses and to assess their …
Heteroskedasticity in crop yield models
SR Yang, WW Koo, WW Wilson - Journal of Agricultural and Resource …, 1992 - JSTOR
This study examines three alternative models of correcting for heteroskedasticity in wheat
yield: the time trend variance, the GARCH, and an econometric model that includes the …
yield: the time trend variance, the GARCH, and an econometric model that includes the …
Quantifying the contribution of plant breeders' rights and transgenic varieties to canola yields: Evidence from Manitoba
R Carew, S Devadoss - Canadian Journal of Agricultural …, 2003 - Wiley Online Library
Canola yield functions that account for plant breeders' rights, changes in technology,
measures of varietal diversity and environmental conditions are estimated for the province of …
measures of varietal diversity and environmental conditions are estimated for the province of …
Contribution of climatic and technological factors to crop yield: empirical evidence from late paddy rice in Hunan Province, China
Z Wang, T Ye, J Wang, Z Cheng, P Shi - … Environmental Research and …, 2016 - Springer
Climatic and technological factors are two remarkable aspects that are thought to contribute
to crop yield change. However, the most significant factors and their contribution rate remain …
to crop yield change. However, the most significant factors and their contribution rate remain …
Stochastic trend, weather and us corn yield variability
MS Kaylen, JW Wade, DB Frank - Applied Economics, 1992 - Taylor & Francis
Regional corn yield models incorporating stochastic trends, prices and weather variables
are estimated. Hypothesis tests suggest yield variability has increased because of an …
are estimated. Hypothesis tests suggest yield variability has increased because of an …