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    Home / Central Data Catalog / LSMS / VNM_1997_VLSS_V01_M / variable [F52]
lsms

Living Standards Survey 1997-1998

Viet Nam, 1997 - 1998
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Reference ID
VNM_1997_VLSS_v01_M
Producer(s)
General Statistical Office (GSO)
Collection(s)
Living Standards Measurement Study (LSMS)
Metadata
Documentation in PDF DDI/XML JSON
Created on
Oct 13, 2016
Last modified
Oct 26, 2023
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3. area planted.....? (s9b2q03)

Data file: SCR09B2

Overview

Valid: 10541
Invalid: 0
Minimum: 0
Maximum: 42000
Type: Continuous
Decimal: 2
Start: 17
End: 24
Width: 8
Range: 0 - 42000
Format: Numeric

Questions and instructions

Literal question
3. What was the area planted in ..[ ].. during the past 12 months?
M2

Description

Definition
- Monoculture planting: Planting a certain kind of crop with the average density
according to local customs. In crop production, we may plant one-time such as: rice,
maize or multiple planting of various vegetables. The one-crop planted tree is one
time of area in a production crop. For example, Mr Kha’s household has, in the last 12
months, planted 2 crops of sweet potatoes, the area for the tenth month sweet potato
crop is 120 m2
, and for the fifth month sweet potatoes is 100 m2
, as a result, the area
for planting sweet potatoes in the last 12 month would be recorded 220 m2
( 120 m2
+
100 m2
).
- Intercropping: On the same area, we may, at the same time, plant 2-3 kinds of trees,
the main tree is planted with a normal density, the intercropped trees are planted with
a more sparse density. Inter-cropping can be applied to annual crops or annual crops
with perennial crops. Therefore area for the main planted tree is calculated the same
either for monoculture planting and intercropped planting. For the main crop, based
on the planting density or amount of seeds to convert to the area of the one-time
planting. For example; Mr B’s household has a plot of 360 m2
, he plants maize
intercropped with peanuts, For monoculture, he uses 1,5 KGs of maize seeds, when
he intercrops it with peanuts, he uses only 0,5 KGs maize seeds in the area of 360 m2
,
calculation for the area of each kind of tree is made as followed:
+ Peanut is calculated for the whole area as 360 m2
.
+ Maize: the area is calculated by the proportion of seeds for intercrop planting
to one-time planting: 0,5 kg : 1,5kg = 1/3. As a result, the intercropped area of
maize is s360 m2
: 3 = 120 m2
.
- Overlapping crops: on the area, when the first crop is about to be harvested, the
farmer can take advantage to plant the next crop with normal density. Hence, both the
first and the next planting are each calculated as a time of area as one-time planting
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