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Research and IPM

Research Tools: California Pesticide Use Summaries

UC IPM developed this database from data from the California Department of Pesticide Regulation. The database includes summaries of pesticides used on California crops datailed by commodity, pesticide, county, and month. The database has no information about a pesticide or its label.

| About the database | Overview | Terminology | Variables | Interpretation |

Unit of Measure Changes Made by UC IPM

To simplify summaries, UC IPM combined areas, volumes, and weights representing amounts treated and planted. In general "square feet" were converted to "acres," then combined with other reported "acres"; "cubic feet" were changed to "thousands of cubic feet," then combined with other reported "thousands of cubic feet"; "pounds" were converted to "tons," then combined with other reported "tons."

Codes Used in the Following Tables


CDPR Pesticide Use Codes

A = Acres
S = Square feet
K = Thousand cubic feet
C = Cubic feet
T = Tons
P = Pounds
U = Miscellaneous units (e.g., number of tractors, trees, bins, etc.)
_ = blank or null

UC IPM Summaries Codes

A = Acres
K = Thousands of cubic feet
T = Tons (short)
X = Mixed or unknown units
O = Other than production agriculture (structural, rights-of-way, etc.)




Areas were changed to A (Acres)
A = S (Square feet) divided by 43560


CDPR Pesticide Use Records           UC IPM Summaries Records

when TYPE   and  TYPE                                (quantity)    (quantity)
TREATED is  PLANTED is                    UNIT is     TREATED is    PLANTED is
A           A                             A           A             A
A           S                             A           A             S / 43560
S           A                             A           S / 43560     A
S           S                             A           S / 43560     S / 43560

Volume was changed to K (Thousands of cubic feet)
K = C (Cubic feet) divided by 1000


CDPR Pesticide Use Records           UC IPM Summaries Records

when TYPE   and  TYPE                                  (quantity)    (quantity)
TREATED is  PLANTED is                    UNIT is     TREATED is    PLANTED is
K           A,S,K,C,T,P,U,_               K           K             not reported
C           A,S,K,C,T,P,U,_               K           C / 1000      not reported

Weight was changed to T (Tons, short)
T = P (Pounds) divided by 2000



CDPR Pesticide Use Records           UC IPM Summaries Records


when TYPE   and  TYPE                                (quantity)    (quantity)
TREATED is  PLANTED is                    UNIT is     TREATED is    PLANTED is
T           A,S,K,C,T,P,U,_               T           T             not reported
P           A,S,K,C,T,P,U,_               T           P / 2000      not reported

Miscellaneous units were also changed



CDPR Pesticide Use Records           UC IPM Summaries Records

when TYPE   and  TYPE                                (quantity)    (quantity)
TREATED is  PLANTED is                    UNIT is     TREATED is    PLANTED is
U           not tested                    X           not reported  not reported
blank       A,S,K,C,T,P,U,_               O           not reported  not reported
any set of values not meeting             X           not reported  not reported
above conditions

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