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SAMPLING IN AGRICULTURE SLOVENIA

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Presentation on theme: "SAMPLING IN AGRICULTURE SLOVENIA"— Presentation transcript:

1 SAMPLING IN AGRICULTURE SLOVENIA
Stratification is based on the data on production due to mixed type of agricultural production in Slovenia At least 1 species of animals is bred at 87% of ag.h. Arable land is cultivated by 93% of ag.h. Type of farming calculated in FSS 49 % of farms have mixed type of farming 35 % of farms are specialized in livestock rearing and milk production 16 % of farms are spcialized in arable and permanent crop production

2 CRITERIA FOR STRATIFICATION
Stratum1 Stratum2 Stratum3 Stratum4 UAA (are) 2000 or more 800-<2000 500 - <800   <500 Arable land and wheat (are) =>600 and=>250  300-<600 and  100 -<300 and 50-<100 <100 and <50  Extensive orchards (No of trees) >= 150  100 - <150 50 - <100 <50  Vineyards (are) >= 500 ar  300 - <500 100 - <300  <100  Orchards plantations (are) >= 200 100 - <200 <50 Potatoes (are) >= 100 25 - <50 <25 Hops (are) >= 500 300-<500 Sugar beet (are) Cattle, total (No) >= 40 5 -14   1 - 4 Pigs, total (No)   4 -19   1 - 3 Sheep and goats, breeding animals (No) >= 30 20 -29 1 -9 Broilers (No) >= 1000      1-49 Laying hens (No) Other poultry (No) Horses (No) >= 20 10-19 5-9 1-4 Deer (No) Quail (No) Rabbits (No) >= 75 1-24 Ostriches (No) Behives (No) >=50 20-49 1-9

3 NUMBER OF FARMS IN THE SAMPLIG FARME AND SAMPLE BY STRATA, FSS 2005
Sampling frame Sample number share (%) Stratum 1 7003 7,8 % 41,2 % Stratum 2 19337 21,6 % 2339 13,8 % Stratum 3 30481 34,0 % 3686 21,7 % Stratum 4 32838 36,6 % 3972 23,4 % Total 89659 100,0 % 17000

4 WHEAT Share of farms growing wheat Share of area of wheat Stratum1 12%
40 % Stratum2 27% 30% Stratum3 41% 25% Stratum4 20% 6%

5 SAMPLING ERROR, FSS 2005 CV Area of wheat 0.89% Area of cereals 0.73%
Arable land, total Utilized ag. area, total 0.77%

6 SAMPLE FRAME and SIZE for the PESTICIDE INDICATORS SURVEY
In the FSS sample we have around 5000 farms cultivating wheat From that frame we will select a stratified sample of 2900 farms cultivating wheat All enterprises cultivating wheat will be included (around 100)

7 DATA COLLECTION METHODS for the PESTICIDE INDICATORS SURVEY
One of the aims of the Pesticide indicators survey is to test appropriatenes of different modes of data collection for the survey about pesticide use On the basis of available resources we will devide the sample of 2900 farms in: Paper assisted personal interviewing (PAPI) ~ stratified sample of around 200 farms Postal surveys (POST) ~ stratified sample of around 1350 farms Computer assisted telefon interviewing (CATI) ~ stratified sample of around1350 farms


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