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ISTAT Information system on quality of statistical production processes SIQual
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[S] - Survey on the use of plant protection products for crops
Survey design (Sampling design thesaurus)
Stratified random sampling (since 31/12/1998)

General information
Validity periodsince 31/12/1998
Approximate size1800
Description -
Panel survey informationNot panel survey
Selection process
Information on elementary sampling units
Reporting units and frame
Agricultural holdingsRegister of surveys on agricultural holdings structure and production2000 Agricultural census
Stratification variablesHoldings by size of agricultural area
Inclusion probabilitiesProportional to the following variable: size of agricultural area category
Selection schemeRandom
Estimation process
Estimation process information
Variables with known population totals used to constrain -
DomainsItaly
Domains description -