DEFINITIONS AND EXPLANATIONS 



INVENTORIES, PRODUCTION, AND SALES 

 DATA 



Definitions and a general explanation of terms used are 

 shown in appendix A. Appendix B displays a bridge table of 

 selected items with the 1987 data by the current definition 

 and the same data by the previous farm definition. The 

 1 987 report form is shown in appendix C. 



Inventories of livestock and poultry are as of the day of 

 enumeration. Crop and livestock production, sales, and 

 expense data are for the calendar year. 



ABBREVIATIONS AND SYMBOLS 



DOLLAR VALUES 



The following abbreviations and symbols are used through- 

 out the tables: 



All dollar values presented in this report are expressed 

 in current dollars, i.e., 1987 data are expressed in 1987 

 dollars and 1982 data in 1982 dollars. The dollar values 

 have not been adjusted for changes in price levels between 

 census years. 



Represents zero. 

 (D) Withheld to avoid disclosing data for individual 



farms. 

 (X) Not applicable. 



(Z) Less than half of the unit shown. 



(NA) Not available. 



VI INTRODUCTION 



1987 CENSUS OF AGRICULTURE 



