| Survey on the supply of fertilizers for agricultural use (fertilizers, soil conditioners and improvers) | (S) |
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Reference period |
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Year:
2017
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General characteristics |
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Contents:
Fertiliser distribution; Nutrients in fertilizers
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Analysis units:
Fertilisers and soil improvements (fertilisers, amendments e correctives); Own-label distributors of fertilizers
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Periodicity:
Yearly
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EU legislation:
No
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Survey design |
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Type:
Census
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Data collection |
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Reporting units:
Own-label distributors of fertilizers
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Data collection mode:
Self-administered data collection via electronic transmission; Mail self-administered data collection by paper questionnaire
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Total units:
756
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Respondents:
434
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Quality |
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Prevention, monitoring and evaluation of unit nonresponse:
Initiatives to foster survey participation; Methods to measure the effect of unit nonresponse on the results; Follow-ups of nonrespondent units/bodies
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Item nonresponse and measurement error treatment:
Operator training and supervision and assessment of survey procedures; Adjustement methods to reduce the effects of measurement and partial nonresponse errors; Methods to estimate the effects of measurement and partial nonresponse errors; Recontact of the units
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Validation:
Coherence control with previous data of the same survey
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Data dissemination |
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Istat data bases:
Agriculture and livestock
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Other data bases:
None
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Press releases:
None
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Timeliness of provisional data:
Not released
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Timeliness of final data:
10 months and 7 days
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