counties reporting the data item. Counties not having the 

 item, or with a limited number of farms reporting the item, 

 have data combined and presented as "all other counties." 



ADVANCE REPORTS 



Advance reports of 1 987 census data have been pub- 

 lished separately for each county with 10 farms or more, 

 each State, and the United States. This series provided, at 

 the earliest possible date, final data on major data items 

 together with comparable final data from the 1 982 census. 

 Data items are standard across States except information 

 on selected crops harvested, which vary by State accord- 

 ing to their relative importance in the State. 



ELECTRONIC DATA DISSEMINATION 



The volume 1 data are available on computer tapes and 

 compact disc. The advance report data are available on 

 computer tapes, computer diskettes, and through elec- 

 tronic data services such as the AG R I DATA network, the 

 CENDATA package on Dialog, CompuServe on-line ser- 

 vices, and the Census Bureau's State Data Center Bulletin 

 Board. Computer tapes, diskettes, and compact discs are 

 sold by the Customer Services Branch, Data User Services 

 Division, Bureau of the Census, Washington, D.C. 20233 

 (telephone (301) 763-4100). 



SPECIAL TABULATIONS 



Custom designed tabulations can be developed to 

 individual user specifications on a programming cost reim- 

 bursable basis. Inquiries about special tabulations should 

 be directed to the Chief, Agriculture Division, Bureau of the 

 Census, Washington, D.C. 20233. 



CENSUS DISCLOSURE RULES 



In keeping with the provisions of Title 13, United States 

 Code, no data are published that would disclose the 

 operations of an individual farm. However, the number of 



farms in a given size category or other classification, such 

 as size of farm, is not considered a release of confidential 

 information and is provided even though other information 

 is withheld. 



INVENTORIES, PRODUCTION, AND SALES 

 DATA 



Inventories of livestock, poultry, and machinery and 

 equipment are measured as of December 31 of the census 

 year. Crop and livestock production, sales, and expense 

 data are for the calendar year, except for a few crops (such 

 as citrus) for which the production year overlaps the 

 calendar year. 



ABBREVIATIONS AND SYMBOLS 



The following abbreviations and symbols are used through- 

 out the tables: 



Represents zero. 



(D) Withheld to avoid disclosing data for individual 



farms. 



(IC) Independent city. 



(NA) Not available. 



(S) Withheld because estimate did not meet pub- 



lication standards on the basis of either the 

 response rate (associated relative standard 

 error) or a consistency review. 



(X) Not applicable. 



(Z) Less than half of the unit shown. 



cwt Hundredweight. 



sq ft Square feet. 



VIII INTRODUCTION 



1987 CENSUS OF AGRICULTURE 



