Page 23 - 1960 (3) Pakistan Census Of Agriculture Vol 2 West Pakistan

xviii

Post Enumeration Survery venue records (Khasra Girdawri) are summarisedl
below:-
33. Since the Census of Agriculture is an under-
taking of great importance as it provides data for the (i) The names of the cultivators actually found!
framing of major Government policies, it is essential on the spot in the Post Enumeration Sur-•·
that the Census data be obtained with the maximum vey did not tally in 16 percent cases with the-
care. As mentioned in earlier paragraphs, a number corresponding names in the Khasra:-·
of steps were taken in that direction and strenuous Girdawri register.
efforts were made to ensure completeness of coverage
and accuracy of the data. Nevertheless, some errors (ii) In 11 percent cases the tenure status of thee,
of enumeration were bound to be there. Therefore, cultivators as determined in the Post Enume-
at the conclusion of the Census enumeration, a Post ration Survey, did not tally with the corres-
Enumeration _Survey was considered essential in order ponding entries of the Khasra Girdawri regis- -
to obtain an objective estimate of the errors of enumera- ter. In 7 percent cases the tenure status was...
tion and their nature and extent. not comparable as the corresponding entries..
in the Khasra Girdawri register were vague_
In the remaining 82 percent cases there was..
34. The Post Enumeration Survey was held at
the end of 1961. Prior to that a series of quick checks no difference.
were made in order to identify the nature of errors
with a view to framing a suitable design of the Post (iii) In 18 percent cases the land use of indi--
Enumeration Survey which was to be conducted directly vidual khasra numbers as determined in._
oy the staff of the Census Organization. the Post Enumeration Survey was different
from that recorded in the corresponding:
entries of the Khasra Girdawri register.
35. It covered a sub-sample of 138 villages
selected at random out of the sample villages of the
Census. A two-pronged approach was adopted in (iv) Ten percent of the plots classified as cultur-
the Survey. Firstly, in each of the sub-sample villages able waste in the Girdawri were determined.
some Khasra numbers were selected at random as not being culturable waste in the Post
and were actually visited. Secondly, a sample of Enumeration Survey. Likewise, the total'
-cultivators was selected from the list of cultivators area of culturable waste land as recorded in
which had been originally prepared by the enumerators the Girdawri was found to be four percent
.and the selected cultivators were interviewed. more than the actual.

36. Information about each of the selected (.v) As regards major crops, the Post Enumera---
Khasra numbers was obtained by an actual v1s1t to tion Survey indicated that rice plots as re---
the Khasra number where the cultivator was questioned corded in the Girdawri were under-enumerat- -
and observations recorded on the spot. Information ed by 8 percent. Likewise, the area under
about each Kharsa number was obtained for three rice as reported in the Girdawri was also ·
consecutive crop seasons i.e., Kharif 1961, Rabi 1960-61 found to be 5 percent less.
and Kharif 1960. About Kharif 1961, the information
was gathered from direct observations in the field, and ( vi) There was no difference in the number or"
infonnation for the previous two seasons was gathered plots growing cotton as determined in the
directly from the concerned cultivators. Information Post Enumeration Survey and the Girdawri, .
about the area of the Khasra numbers was obtained but there was difference in the area under ·
from the Revenue records. cotton· which was found to be 3 percent .
less in the Girdawri register.
37. Comparative information for the items in the
Survey was obtained from the Revenue records and (vii) The area under minor crops was omitted
after reconciliation of the conflicting items by a direct in the Khasra Girdawri from 8 percent or
on-the-spot inquiry, the data thus assembled was the plots resulting in the omission of 5 per-
tabulated on machines. Since Part A of the question- cent of the total area under such crops.
naire had been filled in · by extraction of information
from the Revenue records, the Post Enumeration 39. In order to form a general estimate of other ·
Survey W<l;S design~d mainly with a view to discovering non-sampling errors it was necessary to assess.
the errors m the primary source of data viz., the Revenue the efficiency of the Census enumerators and the Post.
records, an~ t~e errors of transcription. As previous Enumeration Survey, also gave some indications to thaL
checks had md1cated a wide range of errors in the effect.
entry of tenure rights and land utilization in the Khasra
Girdawri register, the probe was, therefore, confined Processing and Tabulation
only to these two items viz., tenure rights and land utiliza- 40. The Census documents were collected at:
tion.
Lahore for mechanical processing and tabulation at
the Data Processing Centre of the Agricultural Census.
38. The important conclusions drawn from the The Centre which had been set up for that purpos~
Post Enumeration Survey about the accuracy of the Re- was equipped with 76 IBM machines including: