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MIRSA-3 EXPERIMENT IN INDONESIA
2019
Indonesian Agricultural Environment Research Institute (IAERI) Team
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Specific objective and tasks
To develop rice cultivation technologies that realize bothyield maintenance and GHG emission reduction inIndonesia.
FY2018 FY2019 FY2020 FY2021 FY2022
3-year field experimentP
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Rep 1
12 m
Lay out of Preliminary Experiment
Date of direct seeding : 31 October 2018 Rice variety : Conventional (Inpari 32)Plot size : (12 x 12) m2
Fertilizer : 120 kg N/ha, 60 kg P2O5 /ha and 90 kg K2O/haWater management : Continuous FloodingSampling : - Soil properties (CN%) before sowing
- Rice growth (plant height and tiller number)- Yield (2 x 3)m2
- GHG (CH4 and N2O) (Weekly)
Rep 2 Rep 3 Rep 4
12 m
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Preliminary Experiment
To know the variability of soil among replication
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EXPERIMENTAL FACTORS (S1-6)
Water management: Safe AWD vs. CF
Organic amendment: with vs. without
Rice cultivar: popular one vs. IR64
AWD-15cm
FYM
INPARI 32
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RICE CULTIVARSNo Description INPARI 32 IR64
1 Release date 2013 17 July 1986
2 Origin Ciherang and IRBB64 IR5657 and IR2061
3 Growth period 120 days 115 days
4 Plant height 97 cm 85 cm
5 Weight per 1000 grains 27.1 grams 27 grams
6 Productivity 6.30 t/ha 5.0 t/ha
7 Amylosa content 21.8 % 24.1 %
8 Resistance/susceptible to plant
pest and disease
BLB strain III, strain IV,
blast disease Ras 033,
and Tungro, susceptible
to Nilaparvata lugens
biotipe 1, 2, dan 3.
Resistence to
Nilaparvata lugens
biotipe 1, 2 and
Nephotettix virescens,
Xanthomonas oryzae,
rice grassy stunt virus
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1 2
4 3 2 1 3 4
4 3
1 2 3 4
2 16
5
5 6
6
5 6
5
I II III IV
South
6
m
6
m
GHG Sampling point
2m x 3m of harvest area
Bench
LAY OUT of MIRSA-3
1 = Cf-Of-In
2 = Cf-Of-Ir
3 = Cf-No-In
4 = Cf-No-Ir
5 = Aw-Of-In
6 = Aw-No-In
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Transplanting
Stuble incorporation
Organic amendment during soil preparation
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IR64 Inpari 32
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SUMMARY• The GHG emission and grain yield at preliminary experiment
were higher than season 1.
• The grain yield of Inpari 32 rice cultivar was higher than IR64.
• The AWD treatment increased grain yield, reduce GWP and water use compared to CF significantly.
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