ABSTRACT

Yield Equation...................................................................................... 238

5.8.2 The Sampling Distribution of Nonlinear Estimators — the Mitscherlich Equation Revisited..................................................... 248

5.8.3 Linear-Plateau Models and Their Relatives — a Study of Corn Yields from Tennessee.......................................................................... 252

5.8.4 Critical Concentrations as a Function of Sampling Depth — Comparing Join-Points in Plateau Models............................................ 259

5.8.5 Factorial Treatment Structure with Nonlinear Response.......................266 5.8.6 Modeling Hormetic Dose Response through Switching Functions.......273 5.8.7 Modeling a Yield-Density Relationship................................................ 285 5.8.8 Weighted Nonlinear Least Squares Analysis with

Heteroscedastic Errors...........................................................................293