Statens Jordbruksverk
Sveriges officiella statistik - Statistiska meddelanden
Skörd av potatis 2008

JO 17 SM 0801

 

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In English

Summary
List of tables
List of terms

Summary

This report provides the preliminary results of 2008 for the yield per hectare and total production of potatoes. The results are presented for counties, production areas and for the whole country.

The results are presented for table potatoes and potatoes for processing of starch. For the whole country, the yield per hectare for table potatoes is estima­ted at 28 340 kg and the total production is estimated at 557 700 tonnes. The corresponding figures for potatoes for processing of starch are 40 400 kg and 295 300 tonnes, respectively.

The results for 2008 were based on a survey with a sample of 1 120 holdings for table potatoes and a sample of 177 holdings for potatoes for processing starch.

The tables show the number of observations, the total and reduced yields per hectare in kg and total production in metric tonnes. Standard errors are also pre­sented. Unharvested areas are shown in a separate table. As for the reduced yield, the yield per hectare is reduced for small, blighted and green potatoes etc. for table potatoes. The reduction for potatoes for processing of starch is made only for blighted potatoes. These reductions are made with standard values.

When calculating the yields unharvested areas is taken into account, which lower the yield per hectare and owing to that also lower the production. The unharvested areas vary between years depending on the conditions during the growing season. The calculation of total production is based on the reduced yields and areas based on preliminary statistics from the administrative database for agricultural subsidies.

Since 1960, Statistics Sweden has produced statistics for potatoes using an objective method based on probability sampling and physical measurements with samples taken from the fields. The method was changed 1999 on to getting information directly from a sample of farmers. At the same time methodological changes were also made. Due to the changes all comparisons between years before 1999 should be made with great caution. Starting 2006 the farmers can use internet as a tool for data delivery concerning potato production to Statistics Sweden.

List of tables

 

Explanation of symbols

1. Table potatoes. Preliminary results 2008

2. Potatoes for processing of starch. Preliminary results 2008

3. Potatoes. Area not harvested. Preliminary results 2008

 

List of terms

Antal företag

Number of holdings

Areal

Area

Hektarskörd

Yield per hectare

Hela riket

The whole country

Län

County

Matpotatis

Table potatoes

Medelfel

Standard error

Obärgad areal

Area not harvested

Potatis för stärkelse

Potatoes for processing of starch

Produktionsområde

Production area

Rötskadade

Blighted tubers

Småfallande

Small tubers

Standardtal

Standard value

Total skörd

Total production