SRI (System of Rice Intensification)

Rice (Oryza sativa L.) is the staple food and being the most important ingredient of the food basket for most nations in Asia. The declining productivity of rice and its availability of per capita is therefore a policy concern. Nevertheless, the production of rice in Malaysia is primarily implemented by adopting the conventional technique. This technique has increased the production cost of rice and became a constraint to achieving the production potential for the farmer.

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In India, SRI technology was spread with a goal of increasing the productivity of irrigated rice with profuse tillering, higher fertile gains, greater root growth and the soil microbial abundance and diversity (Kumar and Shivay, 2004).

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Studies on comparative evaluation of seed and grain quality parameters of rice (Oryza sativa L.) varieties under SRI and conventional methods of rice cultivation was conducted at Directorate of Rice Research farm, ICRISAT campus, Patancheru, Hyderabad during Kharif 2013.

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Wheat (Triticum aestivum L.) is world’s most widely cultivated food grain crop. At initial decades of 21st century, one probability of a great famine appeared in the world due to long drought in tropics and subtropics and at the same time it appeared more dangerously because of the climate change threat. System of Wheat Intensification (SWI) which is somewhat based on the fundamental principles of System of Rice Intensification (SRI) is a new wheat cultivation technique which might act as a significantly new weapon as a part of climate-smart farming.

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A field experiment was conducted to investigate the methods of cultivation and optimization of nitrogen requirement of rice crop in coastal alluvial soils, Karaikal, Pondicherry, India. Experiment was laid out in a split plot design with methods of rice cultivation as main plot treatment consisted of System of Rice Intensification (SRI), Integrated Crop Management (ICM), Line Planting (LP) and Random Planting (RP) and nitrogen managements strategies as subplot treatment consisted of without nitrogen as control, blanket recommendation, LCC 4, LCC 5, SPAD 35 and SPAD 37.

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A field experiment was carried out at the Research Farm, Division of Agronomy, Sher-eKashmir University of Agricultural Sciences and Technology, Jammu during the kharif season of 2014 to evaluate the effect of different transplanting dates and organic nutrient sources on growth and yield potential of basmati rice under system of rice intensification. The experiment consisted of three dates of transplanting and five nutrient sources.

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Field experiments were conducted during 2015 & 2016 at Mountain Research Centre for Field Crops, Khudwani, SKUAST-Kashmir, India. Our objective was to measure the impact of alternative water management practices and varying N levels on water productivity, physiology, growth and yield of rice. Treatments comprised of three irrigation regimes; Submerged conditions (I1); Irrigation at 3 days after disappearance of ponded water (I2); Irrigation at 6 days after the disappearance of ponded water (I3) in main plots and four nitrogen doses viz.

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System of rice intensification a new method is found to be an efficient alternative to increase the rice production as it require less water, less seed, reducing cost of cultivation and saving labour as compared to transplanted rice. SRI appears to be a harbinger of post-modern agriculture, a new set of technologies and practices that are based on biological evolution to the problem raising agricultural productivity, superseding the engineering, chemical and genetic solution of 20th century.

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Soil Test Crop Response studies involving Integrated Plant Nutrition System (STCR - IPNS) were conducted on a Typic Haplustalf of Tamil Nadu, Southern India for developing fertiliser prescriptions for desired yield targets of rice- rice sequence under System of Rice Intensification (SRI). By adopting the Inductive cum Targeted yield model, variations in soil fertility with reference to soil available nitrogen (N), phosphorus (P) and potassium (K) were established and test crop experiment was conducted with rice-rice sequence. The findings pertaining to rabi season is discussed in this paper.

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A Field experiment was taken up during kharif season of 2014 and 2015 on sandy loam soils at College of Agriculture, Navile, Shivamogga, Karnataka, India. Leaf area was significantly higher in the system of rice intensification (SRI) method of establishment from 30 DAT and reached a peak value at 90 DAT then decreased. At 90 DAT, leaf area was 1717.21 cm2 as compared to aerobic (967.97 cm2 ) and conventional (1002.31cm2 ) methods of establishment.

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The field experiment was conducted during kharif and rabi season of 2106 to study the effect of different manurial practices on rice yield and soil physical and chemical properties under SRI method of rice planting. The field experiment was laid out in Randomized block design with 6 treatments replicated thrice.

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The present study was carried out in Tripura during 2014-15. A Sample of System of Rice Intensification (SRI) Technology of farmers comprising 150 respondents was selected on stratified random sampling with proportional allocation method. The primary data was collected using pre-tested structured interview schedule. Majority of the respondents 60 per cent had medium in extent of adoption of SRI technology followed by high level of adoption 26.67 per cent and low 13.33 per cent level of adoption.

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Early sowing of rice by 20 June produced significantly the highest grain yield followed by normal (5 July) and late sowings (20 July) and the yield of its stubble crop also followed the similar trend. The combined grain yields of early sown rice-ratoon and the rice equivalent yield (REY) of early sown green gram was significantly higher by 8.64% and 23.74% than normal and late sowings, respectively in rice-ratoon-green gram system. The combined REY in modified system of rice intensification (MSRI)-ratoon-green gram system was 7.33% and 33.

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The study was carried out in the two district of Tripura, viz., West Tripura and South Tripura with randomly selected 200 rice farmers from purposively selected 4 blocks of the districts. The State of Tripura is located between 22o 56” and 24o 32” North latitude and between 90o 09” and 92o 20” East latitude. Tripura is a landlocked State. System of Rice Intensification (SRI) method of paddy cultivation is important because it needs less seed, less water, less fertilizer and less attack of pest & disease but per hectare yield gain is more than traditional method of paddy cultivation.

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System of Rice Intensification (SRI) with weed management is an imperative to convince the today’s crop production in a sustainable way. Due to scarcity of water and energy, the weed competition is going to be the major constraint in achieving higher production in transplanted rice.

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System of Rice Intensification (SRI) with weed management is an imperative to convince the today’s crop production in a sustainable way. Due to scarcity of water and energy, the weed competition is going to be the major constraint in achieving higher production in transplanted rice. System of Rice Intensification (SRI) is a six components like young seedlings transplanted at wider spacing using, use of organics, conoweeding and saturation moisture package aimed at realizing higher rice production using less inputs especially, seed, water and fertilizers.

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A field experiment was carried out at Assam Agricultural University, Jorhat, Assam during kharif season of 2017 with a view to evaluate the biological properties of soil after cultivation of indigenous quality rice varieties under different methods of establishment. The rice varieties were kunkuni joha, amona bao, black rice and jhengoni bora and the methods of establishments were direct seeding, transplanting and System of Rice Intensification( SRI).

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Rice is the staple food of Odisha in terms of area, production and yield. System of Rice Intensification (SRI) involves adoption of changes in management practices of rice cultivation creating a favourable condition for crop growth with less utilization of inputs. Despite the benefits, SRI has not adopted by the farmers as expected in the state. This paper attempted to analyse the perception of Odisha farmers regarding major constraints hindering widespread of SRI by different categories of farmers (i.e. adopters, dropouts and non-adopters) in the state and the positive impact of SRI.

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A field experiment was conducted on clay loam soils of Indian Institute of Rice Research (IIRR) formerly Directorate of Rice Research (DRR), Rajendranagar, Hyderabad, Telangana during the kharif seasons of 2017 and 2018, to study the “productivity and water use efficiency of rice cultivars under different irrigation regimes and systems of cultivation” The treatments consisted of two irrigation regimes viz., Alternate wetting and drying and Saturation as main plot treatments, three establishment methods viz.

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System of Finger millet intensification or SRI-finger millet cultivation is a method of cultivating finger millet by applying cultivation principles adopted in SRI (System of Rice Intensification) in order to get higher productivity. This method is also called as Guli type of Planting. This POP developed for SRIFinger Millet is an integration of the farmers’ practice and standard practices of finger millet cultivation along with two levels of two doses of fertilizers.

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