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    Home / Food and Agriculture Microdata Catalogue / AGRICULTURE-CENSUS-SURVEYS / NGA_2007_NSAEC_V01_EN_M_V01_A_OCS
agriculture-census-surveys

National Survey of Agricultural Export Commodities 2007

Nigeria, 2007
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Reference ID
NGA_2007_NSAEC_v01_EN_M_v01_A_OCS
Producer(s)
National Bureau of Statistics (NBS)
Collections
Agriculture Census and Surveys
Metadata
Documentation in PDF DDI/XML JSON
Created on
Jul 15, 2019
Last modified
Jul 15, 2019
Page views
41214
Downloads
1663
  • Study Description
  • Data Description
  • Downloads
  • Identification
  • Version
  • Scope
  • Coverage
  • Producers and sponsors
  • Sampling
  • Data Collection
  • Data Processing
  • Access policy
  • Disclaimer and copyrights
  • Metadata production

Identification

Survey ID Number
NGA_2007_NSAEC_v01_EN_M_v01_A_OCS
Title
National Survey of Agricultural Export Commodities 2007
Country
Name Country code
Nigeria NGA
Study type
Agricultural Survey [ag/oth]
Series Information
This edition is the fourth in the series of survey project conducted by the Technical Committee of the Consultative Committee on Agricultural Export Commodity Statistics (CCAECS). Fourteen crops were studied in the past three surveys; two crops (Cassava & Kolanut) were however added during the 2006/07 survey year.

The survey was jointly carried out by four federal agencies namely: National Bureau of Statistics (NBS), Central Bank of Nigeria (CBN), Federal Ministry of Agriculture & Water Resources (FMA&WR) and Federal Ministry of Commerce and Industry (FMC&I).
Abstract
This edition is the fourth in the series of survey project conducted .

The survey covered the following sixteen crops: Cashew, Cassava, Cocoa, Coffee, Cotton, Garlic, Ginger, Groundnut, Gum Arabic, Kolanut, Oil Palm Rubber, Sesame seed, Sheanut, Sugar cane and Tea. This means additional two crops were introduced to the survey.

The major objectives of the survey include:

i. To ascertain the spread of the cultivation of each of the sixteen export crops within Nigeria in terms of area cultivated by State.
ii. To provide a national basic data series on agricultural export commodities.
iii. To provide structural data on agricultural export commodities in Nigeria.
iv. To obtain socio-economic data and demographic characteristics of holders within households.
v. To provide production estimates at national and state levels.
Kind of Data
Sample survey data [ssd]
Unit of Analysis
Households

Version

Version Description
Version 1.0(March 2009)
Version Date
2009-03-04
Version Notes
The general review of the documentation

Scope

Notes
The scope for data collected was as follows:
– Access to land by type of tenure
– Area cultivated under each crop
– Production in terms of output of each crop
– Use of farm inputs: fertilizer, pesticides and seedlings
– Access to credit facilities
– Employment
– Market channels
– Farmgate and open market prices
– Consumption from own-production
– Transportation and storage
– Use and access to farm implements.
Topics
Topic
agricultural, forestry and rural industry
employment
working conditions
government, political systems and organisations
basic skills education
gender and gender roles
community, urban and rural life

Coverage

Geographic Coverage
National Coverage
Universe
Household export crop holder

Producers and sponsors

Primary investigators
Name Affiliation
National Bureau of Statistics (NBS) Federal Government of Nigeria (FGN)
Producers
Name Affiliation Role
Central Bank of Nigeria Federal Government of Nigeria (FGN) collaboration
Federal Ministry of Agriculture & Rural Development Federal Government of Nigeria (FGN) collaboration
Federal Ministry of Commerce Federal Government of Nigeria (FGN) collaboration
Funding Agency/Sponsor
Name Abbreviation Role
National Bureau of Statistics NBS Technical Support
Central Bank of Nigeria CBN Funding
Other Identifications/Acknowledgments
Name Affiliation Role
Ministry Department and Agency MDAs Technical Support

Sampling

Sampling Procedure
192 LGAs were selected nationwide.

A 2-stage sample design was employed. In the first stage,10 EAs were systematically selected from each sampled LGA. Of the expected 1,920 EAs, only 1,855 were found to have export crops and were eventually studied.

In the second stage,10 export crop farming housing units were systematically selected from each sampled EA (provided there were more than 10 farming housing units in the EA). Where there were 10 or less farming housing units, no selection was required and all available housing units were studied.

Out of the 18,550 export crop farming housing units expected to be covered, 15,583 were canvassed.
Response Rate
On national basis, 100 percent response rate was acheived at LGA level; 96.61 percent at EA level while 84.00 percent was acheived at export crop farming housing units level. Reasons for non-response was not given.
Weighting
The variable (rf ) raising factor is computed and attached to the data file.

The formula adopted in calculating the design weights for the survey data (sample results) were as follows:
(i) The probability of selecting an EA within a state was obtained by dividing the total number of EAs sampled in a state by total number of EAs in that particular state. Let this be represented by fj. That is,
fj = Total Number of EAs sampled in a state / Total Number of EAs in that particular State

(ii) Likewise, the probability of selecting an housing unit (HU) within an EA was obtained by dividing the total number of housing units selected in an EA by the total number of housing units (HUs) listed in that particular EA. Let this be represented by fk. That is,
fk = Total Number of HUs selected in an EA / Total Number of HUs listed in that particular EA

Mathematically,
Design weight = (Total number of EAs in a state / Total number of EAs sampled in that particular state) X ( Total Number of HUs listed in an EA / Total Number of HUs selected in that particular EA)

Data Collection

Dates of Data Collection
Start End Cycle
2007-09-01 2007-09-21 20 days
Data Collection Mode
Face-to-face paper [f2f]
Data Collectors
Name Abbreviation Affiliation
National Bureau of Statistics NBS Federal Government of Nigeria (FGN)

Data Processing

Data Editing
The completed questionnaires were collated and edited manually before data entry operation was carried out by the NBS staff in the six designated NBS zonal headquarters. Machine data editing, table generation and analysis were carried out by NBS staff at NBS headquarters, Abuja, followed by report writing by the Consultative Committee on Agricultural Export Commodity Statistics (CCAECS).

Access policy

Contacts
Name Affiliation Email URL
Dr V.O. Akinyosoye Director General [email protected] Link
DR G.O. Adewoye Director Census & Surveys [email protected] Link
Mrs A.N. Adewimbi Head of Information and Communication Technology Department [email protected] Link
Biyi Fafunmi Data Access [email protected] Link
Mrs A. A. Akinsanya Data Archivist [email protected] Link
Mr R.F. Busari ICT [email protected] Link
National Bureau of Statistics (NBS) Federal Government of Nigeria (FGN) [email protected] Link
Confidentiality
The confidentiality of the individual respondent is protected by law (Statistical Act 2007). This is published in the Official Gazette of the Federal Republic of Nigeria No. 60 vol. 94 of 11th June 2007. See section 26 para.2. Punitive measures for breeches of confidentiality are outlined in section 28 of the same Act.
Access conditions
A comprehensive data access policy is been developed by NBS, however section 27 of the Statistical Act 2007 outlines the data access obligation of data producers which includes the release of properly anonymized micro data.
Citation requirements
National Bureau of Statistics, Nigeria, National Survey of Agricultural Export Commodities 2007-v1.0
Access authority
Name Affiliation Email URL
National Bureau of Statistics (NBS) Federal Government of Nigeria (FGN) [email protected] Link

Disclaimer and copyrights

Disclaimer
The user of the data acknowledges that the original collector of the data, the authorized distributor of the data, and the relevant funding agency bear no responsibility for use of the data or for interpretations or inferences based upon such uses.
Copyright
© NBS 2009

Metadata production

DDI Document ID
DDI_NGA_2007_NSAEC_v01_EN_M_v01_A_OCS_FAO
Producers
Name Abbreviation Affiliation Role
Office of Chief Statistician OCS Food and Agriculture Organization Metadata adapted for FAM
National Bureau of Statistics NBS Federal Government of Nigeria (FGN) Metadata Producer
DDI Document version
NGA_2007_NSAEC_v01_EN_M_v01_A_OCS_v01
Back to Catalog
Food and Agriculture Organization of the United Nations

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