Classification and Mapping of Agricultural Land for National Water-Quality Assessment

By Robert J. Gilliom and Gail P. Thelin

U.S. Geological Survey Circular 1131

Table 5. Orchard, vineyard, and nursery crops used in developing orchard, vineyard, and nursery crop categories

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                                                              Percentage of
Individual orchard, vineyard,          Census     National   national total
and nursery crops                       data       harvest    for row crops      
                                        code        acres      classified               
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All citrus fruit                        3457      1,084,504        21.9                   
Grapes                                  3331        833,293        16.9                   
Apples                                  3232        601,021        12.2                   
                                
Nursery and greenhouse crops, 
  mushrooms, and sod grown for sale 
  (greenhouses and nurseries).          3730        596,382        12.1                   
                                     
Pecans                                  3574        453,243         9.2                    
Almonds                                 3547        427,705         8.7                    
Peaches                                 3403        239,698         4.9                    
                                                                                 
English walnuts                         3592        213,628         4.3                    
Plums and prunes                        3430        151,183         3.1                    
Cherries                                3268        131,064         2.7                    
Avocados                                3250         87,700         1.8                    
                                                                                 
Pears                                   3412         84,247         1.7                    
Filberts and hazelnuts                  3556         28,745         0.6                    
                                                                                
Total                                             4,932,413       100.0                  
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