Changes in the distribution of an agricultural commodity among quality classes may affect the total revenue obtained from a given quantity of product. Growers and marketing firms need to consider the best mix of qualities as well as the best level of output. This paper describes an approach to...

As a means of forecasting probable maturity dates of standard Elberta peaches, the growers in Mesa County, Colo., in past seasons have had only the 126-day average elapsed time from full bloom to the date of shipment of the first car. Methods for forecasting maturity dates more accurately than...

As part of an extensive research program, the Agricultural Estimates Division of Agricultural Marketing Service is investigating objective methods for estimating and forecasting corn yields. This paper is concerned only with one question: To what extent can dif ferences in estimates of yield per...

This article analyzes the dynamic relationships among weekly prices of price byproducts, long gram rice, and corn, using causality tests and dynamic multipliers The authors use forecasts to evaluate the time series model rice byproducts prices may be influenced more by shifts 10 demand than 10...

Agricultural economists and others engaged in agricultural research frequently have occasion to analyze the effect of changes in acreage and yield on crop production. This article describes a method of deriving statistical measures that summarize the relative influence of acreage and yield...

Filbert estimating techniques can be improved by using refined procedures for selecting sample limbs and counting nut clusters. These procedures can reduce survey cost 25 percent and improve sampling and nonsampling errors. Counting nut clusters for two terminal limbs (4 percent of an average...

This article estimates a model relating quarterly corn prices to quarterly corn stocks for 1971-81 Results are, consistent With expectations that higher stocks many specific quarter Yield lower corn prices and that any given level of stocks later m the marketing year Yields lower prices than...