366012
/en/jord-skog-jakt-og-fiskeri/statistikker/jordbruksavling/aar
366012
statistikk
2019-02-20T08:00:00.000Z
Agriculture, forestry, hunting and fishing
en
jordbruksavling, Production of potatoes and forage plants, agricultural yield, forage, potatoes, hay, rye grass, silage, green fodderAgriculture , Agriculture, forestry, hunting and fishing
true

Production of potatoes and forage plants

Updated

Next update

Key figures

326

thousand tonnes of potatoes harvested in 2018

Production of potatoes and forage plants. 1 000 tonnes
2018Per cent
2017 - 20182008 - 2018
Meadows for mowing converted into hay2 047.0-21.4-24.7
Crops for green fodder and silage115.9-35.5-47.8
Potato326.43.5-18.1

See selected tables from this statistics

Table 1 
Yield per decare of patoes and meadows for mowing, by county. Kilos

Yield per decare of patoes and meadows for mowing, by county. Kilos
PotatoMeadows for mowing converted into hay
20092 419620
20102 517558
20112 291587
20122 405635
20132 517558
20142 897648
20152 578708
20162 927666
20172 690621
20182 810466
 
2018
Østfold2 782276
Akershus and Oslo2 570278
Hedmark2 863394
Oppland3 291394
Buskerud2 530289
Vestfold2 962259
Telemark2 107247
Aust-Agder2 381294
Vest-Agder3 036353
Rogaland3 079618
Hordaland1 583511
Sogn og Fjordane2 251506
Møre og Romsdal3 406552
Trøndelag2 765591
Sør-Trøndelag (-2017)00
Nord-Trøndelag (-2017)00
Nordland928485
Troms - Romsa1 685342
Finnmark - Finnmárku500355

Table 2 
Yield of potatoes and forage plants, by county. 1 000 tonnes

Yield of potatoes and forage plants, by county. 1 000 tonnes
PotatoCrops for green fodder and silageMeadows for mowing converted into hay
2009332.5216.02 695.3
2010333.2198.72 392.7
2011295.5151.42 523.4
2012304.7170.82 712.8
2013318.0183.12 418.3
2014357.7186.52 824.6
2015305.2182.33 035.7
2016350.8175.82 808.0
2017315.5179.82 603.2
2018326.4115.92 047.0
 
2018
Østfold13.12.325.9
Akershus and Oslo15.23.430.0
Hedmark136.416.6129.2
Oppland28.921.7216.8
Buskerud7.43.750.1
Vestfold42.54.017.7
Telemark3.61.328.3
Aust-Agder4.61.221.2
Vest-Agder2.80.641.3
Rogaland17.06.8283.4
Hordaland0.10.4104.7
Sogn og Fjordane2.11.3126.4
Møre og Romsdal6.31.6211.6
Trøndelag40.334.9473.9
Sør-Trøndelag (-2017)0.00.00.0
Nord-Trøndelag (-2017)0.00.00.0
Nordland1.55.3195.2
Troms - Romsa4.57.665.6
Finnmark - Finnmárku0.03.025.8

Table 3 
Yield of potatoes and forage plants

Yield of potatoes and forage plants
Yield, tonnesKilos per decare
20152016201720182015201620172018
Meadows for mowing converted into hay3 035 7002 808 0002 603 2002 047 000708666621466
Crops for green fodder and silage182 300175 800179 800115 9001 8301 9371 8771 054
Annual rye-grass108 000100 500103 20059 3002 2512 2482 5291 271
Green forage mixtures/grain crops63 10066 90067 80052 2001 4081 6451 437911
Forage rape, marrow-stem kal etc8 8005 6006 7002 4002 5812 4522 6851 198
Potato305 200350 800315 500326 4002 5782 9272 6902 810

About the statistics

The statistics estimate the yield of potatoes, meadows for mowing and coarse fodder.

Definitions

Definitions of the main concepts and variables

Agricultural holding

A single unit both technically and economically, which has single management and which produces agricultural products. The holding is independent of municipality boundaries. The agricultural holding's headquarter must be located to an agricultural property.

Agricultural area in use

Agricultural land that is harvested at least once during a year, including planted area of permanent crops, where no harvest has been produced so far. Includes also arable land included in the crop rotation system with no intention to produce a harvest during the year, but which will be harvested the next year.



Meadows for mowing:
Include cultivated meadow and surface-cultivated meadow.

Coarse fodder crops:
Include area of rye-grass, grain for silage, fodder rape, fodder cale and fodder roots.

Fodder roots:
Include area of swedes and turnips for feed and fodder beets.

Standard classifications

Not relevant

Administrative information

Name and topic

Name: Production of potatoes and forage plants
Topic: Agriculture, forestry, hunting and fishing

Next release

Responsible division

Division for Primary Industry Statistics

Regional level

County.

Frequency and timeliness

Annual.

International reporting

Eurostat, FAO.

Microdata

A data file with anonymous individual data is stored at Statistics Norway.

Background

Background and purpose

The purpose of the statistics is to estimate the yield of potatoes, meadows for mowing and coarse fodder in Norway. Since 1990, statistics on grain production have been provided by data from administrative sources.

Users and applications

The main users of the statistics are the Ministry of Agriculture and Food, the Norwegian Agricultural Economics Research Institute, the Agricultural Budget Commission, the Norwegian Farmers Union, the Norwegian Smallholders Union etc.

Equal treatment of users

No external users have access to the statistics and analyses before they are published and accessible simultaneously for all users on ssb.no at 10 am. Prior to this, a minimum of three months' advance notice is given inthe Statistics Release Calendar. This is one of Statistics Norway’s key principles for ensuring that all users are treated equally.

Coherence with other statistics

Not relevant

Legal authority

Statistics Act §§2-1, 2-2, 2-3.

EEA reference

Not relevant

Production

Population

In a wider context official statistics on agricultural yields cover grain, potatoes and forage plants. Statistics on grain production are based on administrative data, Agricultural yields and production

Statistics on yield of potatoes and forage plants are based on a yearly sample survey. The target population of this survey is holdings referring to these crops when applying for governmental grants.

Data sources and sampling

The register of holders applying for governmental grants provides information on persons associated with the holding and the size of areas used for potatoes, coarse fodder and meadows for mowing. Data on area harvested, and of total yield of each crop are provided by holders who fill in the forms of the annual survey.

Each year a sample is drawn from the register of holders applying for governmental grants. The size of the sample is about 3 100 holders.

All types of holdings with combinations of areas of potatoes, coarse fodder and meadows for mowing are included in the sample survey of agricultural yields. To provide a better representation in certain counties with few holdings a higher percentage of holdings are selected in these areas.

Collection of data, editing and estimations

In November each year, letters are sent to the holdings drawn for inclusion in the survey. As from 205, the farmers have to report via Internet.

A number of controls and corrections are done to ensure consistency both within a single form and between forms and available register information.

Primary data are obtained from the forms filled in by the respondents. They may contain errors made by the individual respondents when filling in the form. A number of errors are discovered and corrected during the editing process at Statistics Norway.

A number of errors during the collection and processing of the data are unavoidable and include errors that occur during revision, data processing errors etc. Extensive work has been carried out to reduce these errors as much as possible.

Data on area harvested and total yield of the different crops, are provided by the holders. Average yield is calculated regarded to this information. Total yield for the entire county is calculated by use of average yield from the sample survey, and area of the different crops in each county based on information from the total population of agricultural holdings.

Seasonal adjustment

Not relevant

Confidentiality

Figures based on few units (holdings) are not published if this causes risk for identifying any of the units concerned, or the results are considered to be all too uncertain for giving estimates.

Comparability over time and space

The statistics are basically comparable back to 1990.

Accuracy and reliability

Sources of error and uncertainty

Non-response in the survey is due to the failure of individual respondents to deliver questionnaires or that a property has been sold or is no longer farmed as an independent unit.

All sample surveys will be encumbered by a certain amount of uncertainty. Generally, the fewer the observations are, the more uncertain the results. Groups based on few observations will be particularly sensitive to extreme values, i.e. values that deviate considerably from the average. Such extreme values are consequently assigned a weight equal to 1, so that they only represent themselves in the material.

All types of holdings with various combinations of area of potatoes, coarse fodder and meadows for mowing are included in the sample survey. To provide a better representation in certain counties with few holdings a higher percentage of holdings are selected.

The quality of the register basis from which the sample is selected also has an impact on the quality of the final result.

Revision

Not relevant