0889 Adoption of the System of Rice Intensification (SRI) in Indonesia to Increase National Rice Production and to Reduce Methane Emissions from Rice Fields

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SRI-Rice, Dept. of Global Development, CALS, Cornell University

Presenter: Fitri Ardi, Dian Nareswari, Nia Kesuma Megasari, Ahmad Jatika, Suichi Sato and Iswandi Anas Workshop on SRI at the Ministry of Agriculture, Jakarta

Technology Education

Fitri Ardi 1 , Dian Nareswari 1 , Nia Kesuma Megasari 1 , Ahmad Jatika 2 , Suichi Sato 3 dan Iswandi Anas 1

Iswandi Anas, D. K. Kalsim, Budi I. Setiawan, Yanuar and Sam Herodian Bogor Agricultural University (IPB) Presented at workshop on S.R.I at Ministry of Agriculture, Jakarta, June 13, 2008

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Yield Productive Tiller Sugiyanta , 2008 (IPB) BOGOR CONVENTIONAL 5.0 T/HA S.R.I. 7.5 T/HA Presented at workshop on S.R.I at Ministry of Agriculture, Jakarta, June 13, 2008

S.R.I EXPERIMENT AT SAMPOERNA ENTREPRENEURSHIP TRAINING CENTER, PANDAAN , EAST JAVA, 2008 (Herodian et al . 2008) Presented at workshop on S.R.I at Ministry of Agriculture, Jakarta, June 13, 2008 PARAMETERS NON-S.R.I. S.R.I SRI GUNTING (30 X 30 CM) S.R.I. GUNTING ORGANIC S.R.I NO. PRODUCTIVE TILLERS 23 15 19 54 NO. GRAINS PER PANICLE 33 166 154 215 WEIGHT 1,000 GRAINS (g) 25.0 27.5 29.7 31.7 YIELD AT HARVEST (T/HA) 5.7 9.3 8.3 10.8 YIELD AT 14% WATER CONTENT (T/HA) 5.5 8.9 8.0 10.5

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Emisi CH 4 (mg C m -2 Jam -1 ) METHANE EMISSION

Emisi N 2 O (mg N m -2 Jam -1 ) N2O EMISSION

YIELD TREATMENT YIELD (T/HA) % INCREASE OVER CONV. CONVENTIONAL 8.6 0 INORGANIC SRI 11.0 29 ORGANIC SRI 9.4 9 ORGANIC SRI + BIOFERTILIZER 9.5 10

The System of Rice Intensification (SRI) is an agroecological approach that can increase rice yields by 30-50% or more while reducing water, seed, and chemical input use by 30-50%, 80-95%, and 30-100% respectively. SRI has spread to over 50 countries and more than 4 million farmers since 1997 using four principles: early plant establishment, reduced plant competition, use of organic matter, and reduced water use. The SRI International Network and Resources Center at Cornell University and the Food and Agriculture Organization of the United Nations promote SRI.

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SRI-Rice, Dept. of Global Development, CALS, Cornell University

The System of Rice Intensification (SRI) is an alternative rice cultivation method that can improve yields and reduce water usage compared to conventional methods. Field trials in multiple countries found average SRI yields were 2-3 times higher than conventional methods. SRI changes management practices like transplanting young seedlings and reducing plant density to promote deeper, more extensive root growth and increase beneficial soil microbes. This allows plants to make more efficient use of available nutrients and water. SRI represents a new paradigm that relies more on biological processes in soil and plants than external chemical inputs like fertilizers.

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The document discusses the System of Rice Intensification (SRI), a method for growing rice that modifies standard practices to improve yields. SRI involves changing the management of plants, soil, water, and nutrients to support larger, more extensive root systems and promote soil biota. This agroecological management improves the growing environment and yields better rice phenotypes from any genotype using less water, seeds, and other inputs. SRI has led to increased yields of 50-100% or more in many countries along with other benefits like water savings, increased resistance to stresses, and reduced costs, methane emissions, and environmental impacts.

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SRI-Rice, Dept. of Global Development, CALS, Cornell University

The document summarizes research on the System of Rice Intensification (SRI) being conducted in China and other countries. SRI is an alternative rice cultivation method that involves wider spacing of young seedlings, reduced water usage, and other practices. Studies have found SRI can lead to higher rice yields, improved grain quality, and reduced costs compared to conventional methods. Researchers are exploring different techniques to adapt SRI principles to local growing conditions. Overall, results suggest SRI has potential to increase rice productivity while reducing environmental impacts.

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The Climate Food and Farming (CLIFF) Research Network is an international research network that helps to expand young researchers' knowledge and experience working on climate change mitigation in smallholder farming. CLIFF provides grants for selected doctoral students to work with CGIAR researchers affiliated with the Standard Assessment of Mitigation Potential and Livelihoods in Smallholder Systems (SAMPLES) project. This presentation is entitled System of Rice Intensification with Intercropping by Tavseef Mairaj Shah, a scientist with the Institute of Wastewater Management and Water Protection Hamburg University of Technology.

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Researchers in India evaluated the impacts of different water management practices during the post-vegetative stage of rice cultivation using conventional methods and the System of Rice Intensification (SRI). They found that maintaining shallow flooding or alternate wetting and drying increased grain yield and water productivity more under SRI compared to continuous flooding. SRI produced 58% higher yield and 91% greater water productivity using 16% less irrigation water through enhanced root growth and physiological functions. The study demonstrated that SRI methods can improve resource use efficiency and food security in a sustainable manner.

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This document discusses various methods of water management in rice production. It begins with an introduction to rice cultivation and its high water requirements. It then discusses the importance of precision water management to produce more crop per drop of water. The document provides details on various rice production systems including transplanted rice, direct seeded rice, aerobic rice, and their water requirements and yields under different irrigation schedules. It concludes that precision water management through appropriate irrigation methods and schedules is necessary to address the challenges of decreasing water availability.

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Sakshi Pandey presented on resource conservation technologies and their impact on resource conservation, economics, and productivity in agriculture. Some key points: 1) Indian agriculture consumes about 30% of total electricity and 20% of the world's arable land, yet faces increasing challenges of water scarcity, soil degradation, and stagnating yields. 2) Various resource conservation techniques were discussed, including conservation tillage practices like zero-tillage, reduced tillage, and furrow irrigation to save water, reduce energy use, and improve yields. 3) Precision farming tools like leaf color charts, green seekers, and laser land leveling were also presented as improving nutrient and water use efficiencies.

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