Search National Agricultural Library Digital Collections

You searched for:

Subjects corn Remove constraint corn: corn Subjects mathematical models Remove constraint mathematical models: mathematical models Authors Birkett, Thomas R. Remove constraint Birkett, Thomas R.: Birkett, Thomas R.

Displaying all 2 items start over

1. The new objective yield models for corn and soybeans

Author:: Birkett, Thomas R. , United States National Agricultural Statistics Service. Estimates Division.
Subject:: Corn , Yields , United States , Mathematical models , Soybean , Yields , United States , Mathematical models , corn , soybeans , crop yield , estimation , mathematical models , United States
Year:: 1990

2. Yield models for corn and soybeans based on survey data

Author:: Birkett, Thomas R.
Subject:: Corn , Yields , Forecasting , Mathematical models , Soybean , Yields , Forecasting , Mathematical models , Corn , Sampling , Soybean , Sampling , corn , soybeans , crop yield , sampling , agricultural forecasts , mathematical models
Year:: 1993