0637 comparison of the system of rice intensification with conventional practice in dung toung,...
DESCRIPTION
Presenters: Chuong Sophal and Sras PhannyTRANSCRIPT
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COMPARISON OF THE SYSTEM OF RICE INTENSIFICATIONWITH CONVENTIONAL PRACTICE IN DUNG TOUNG,
KAMPOT PROVINCE
By : Mr. CHUONG Sophal : Mr. SRAS Phanny
Supported by Cambodian Agricultural Research Fund (CARF)
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Objectives
To study on the conventional
practices
To study the system of rice intensification
(SRI)
Comparison the System of Rice Intensification
(SRI) and Conventional Practice
Economic analysis
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METHODOLOGY
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STUDY AREA
STUDIED AREA
Study Area
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•DURATION : 3 MONTHS, FROM DURATION : 3 MONTHS, FROM OCTOBER TO DECEMBER 2006OCTOBER TO DECEMBER 2006
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Data collection is divided into two steps: Data collection is divided into two steps: 1-Primary data : interview with 1-Primary data : interview with farmers. 40 farmers. 40
farmers were selected:farmers were selected: -20 SRI farmers : 10 local variety used- -20 SRI farmers : 10 local variety used-
farmers and 10 modern variety used-farmersfarmers and 10 modern variety used-farmers-20 Non-SRI farmers: 10 local variety -20 Non-SRI farmers: 10 local variety
used-farmers and 10 modern variety used-farmers used-farmers and 10 modern variety used-farmers 2-Secondary data : collecting from libraries 2-Secondary data : collecting from libraries ..
Data collectionData collection
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COMPARISON BETWEEN THE SYSTEM OF RICE INTENSIFICATION
WITH CONVENTIONAL PRACTICES
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Soil preparation
152.2
5201.5
0
0
50
100
150
200
250
SRI NON SRI
Ho
urs
/ha
Technique of Cultivation
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Quantity of Seed
50.6
19.7
0
10
20
30
40
50
60
SRI NON SRI
Kg
/ha
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Seedling age
20.3
4
36.3
3
05
10152025303540
SRI NON SRI
Day
s
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Spacing
29.85
23.4
0
5
10
15
20
25
30
35
SRI Non SRI
cm
Spacing
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Weeding
93.2
6
69.2
5
0102030405060708090
100
SRI NON SRI
Ho
urs
/ha
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Quantity of organic fertilizer
5.2
2.5
0
1
2
3
4
5
6
SRI NON SRI
To
ns/h
a
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Quantity of chemical fertilizer
75
112.
5
0
20
40
60
80
100
120
SRI NON SRI
Kg
/ha
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Results of the System of Rice Intensification (SRI) and Conventional Practice
Panicle length
26.6
25.9
25.5
26
26.5
27
SRI NON SRI
Cm
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Number of plants per Hill
10.9
9.1
0
5
10
15
SRI NON SRI
plan
ts
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Number of grains per panicle
217
200
190
200
210
220
SRI NON SRI
grai
ns
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1000 seed-weight
20
21
22
23
24
SRI NON SRI
gram
s
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Number of hills per 4 square metres
56.3 71
.3
0
20
40
60
80
SRI NON SRI
hill
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Yield per hectare
4.12
3.65
3.4
3.6
3.8
4
4.2
SRI NON SRI
Tons
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Yields
5.1
3.9
21
4.0
0
3.4
05
0
1
2
3
4
5
6
RiangcheyN = 5
6 kourN=8
RiangcheyN = 6
6 kour N = 8
NON SRI
T/h
a
SRI
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Summary of analyzes by Summary of analyzes by ANOVAANOVA
SRI Rang SRI Rang CheyChey
Non-SRI Non-SRI Rang CheyRang Chey
SRI 6 KourSRI 6 Kour Non-SRI 6 Non-SRI 6 KourKour
YieldYield nsns nsns **** ****Grains per Grains per paniclepanicle
nsns nsns **** ****
1000-seed 1000-seed weightweight
**** **** **** ****
Tillers/hillTillers/hill **** **** **** ****
Panicle Panicle lengthlength
**** **** nsns nsns
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Grains per panicle
234
.
219 222
196
170
180
190
200
210
220
230
240
Riangchey 6 kour Riangchey 6 kour
SRI NON SRI
gra
ins
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Weight per 1000 grains
25.8
22.8
22.4
21.5
0
5
10
15
20
25
30
Riangchey 6 kour Riangchey 6 kour
SRI NON SRI
gra
ms
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Number of plants per hill
11.1
2
9.0
5
9.0
610.7
3
0
2
4
6
8
10
12
Riangchey 6 kour Riangchey 6 kour
SRI NON SRI
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Panicle length
28.8
26.6
25.6
25.5
23
24
25
26
27
28
29
30
Riangchey 6 kour Riangchey 6 kour
SRI NON SRI
cm
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SRI Score
16.9
41.8
01020304050
SRI NON SRI
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Yield
y = 30.694x + 3098.3
R2 = 0.1637
0
1000
2000
3000
4000
5000
6000
7000
8000
0 10 20 30 40 50 60
Score
Correlation between SRI Score and Yield
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Economical analysisEconomical analysis
ExpensesExpenses SRISRI Traditional Traditional technique technique
Chemical fertilizers (riel/ha)Chemical fertilizers (riel/ha) 82.26582.265 158.476158.476
Irrigation (riel/ha)Irrigation (riel/ha) 45.16045.160 25.95825.958
Labor (riel/ha)Labor (riel/ha) 66.57266.572 230.616230.616
TotalTotal 193.997193.997 415.050415.050
Table11: Expenditure on SRI and Conventional practice
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DescriptionDescription SRISRI TraditionalTraditional DifferencesDifferences
IncomeIncome 1.695.9601.695.960 1.535.5201.535.520 160.440160.440
ExpensesExpenses 193.997193.997 415.050415.050 221.053221.053
ProfitsProfits 1.501.9631.501.963 1.120.4701.120.470 381.493381.493
Table12 : Expenses, Income, Profits of SRI and Conventional practice
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ObservationObservation
- The yield of SRI is higher than The yield of SRI is higher than conventional practice. conventional practice.
- The SRI score is not strongly correlated The SRI score is not strongly correlated with the yield.with the yield.
- The SRI can get more profits than The SRI can get more profits than traditional practice in term of using family traditional practice in term of using family labor.labor.
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RecommendationRecommendation
- Conduct more farmer-field trials for more insight Conduct more farmer-field trials for more insight in gross margin between conventional, SRI and in gross margin between conventional, SRI and Best Management Practice (BMP).Best Management Practice (BMP).
- Keep high involvement of farmersKeep high involvement of farmers
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THANKS FOR YOUR THANKS FOR YOUR ATTENTIONATTENTION ! !