Impact of water management on yield and water productivity with system of rice intensification (SRI) and conventional transplanting system in rice

Thakur, A. K.; Mohanty, Rajeeb K.; Patil, D. U.; Kumar, Ashwani

doi:10.1007/s10333-013-0397-8

Cited by 65 publications

(49 citation statements)

References 37 publications

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“…Rice (Oryza sativa L.) is a major staple food for much of the world's population and the largest consumer of water in the agricultural sector (Thakur et al, 2014). World food security remains largely dependent on irrigated lowland rice, which is the main source of rice supply (Yang and Zhang, 2010).…”

Section: Introductionmentioning

confidence: 99%

“…The provision of water in the SRI method is not carried out continuously but only for a certain period of time in order to keep the soil wet but the water is not stagnant (Thakur et al, 2014). SRI involves changes in certain management practices which provide better growing conditions for rice plants than traditional practices, particularly in the rhizosphere.…”

Section: Introductionmentioning

confidence: 99%

“…With SRI, irrigation water applications were reduced by 25.6% compared to continuous flooding. Thakur et al (2014) showed that SRI practice produced 49% higher grain yields with 14% less water than the conventional transplanting system. Hassan et al (2015) reported that the 3-day interval of irrigation consumed 50% as much water, as continuous flood, increased yield by 2% compared with continuous flood.…”

Section: Introductionmentioning

confidence: 99%

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Impact of water management on root morphology, growth and yield component of lowland rice varieties under the organic system of rice intensification

Aziez

Hanudin

Harieni

2018

J.Degrade.Min.Land Manage.

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:Water management is one of the keys to success in increasing rice production in paddy fields.Paddy rice production will decrease if the rice plants suffer from water stress, and conversely conventional cultivation is very wasteful of water. Local aromatic varieties have deeper rooting character than improved varieties making it more efficient in using water. The purpose of this study was to obtain more efficient and more productive aromatic local varieties in the use of irrigation water in the SRI organic cultivation system. This research was conducted in organic rice fields in Kebonagung village, Imogiri, Bantul with split plot design of 2 factors with 4 replications. Factor I: The mode of irrigation consists of (a) intermittent irrigation, and (b) continuous irrigation and Factor II: varieties consisting of (a) Mentikwangi, (b) Gabusan, (c) Sintanur and (d) IR64. The observation parameters included (1) root characters i.e. surface area of root, total length of root, and dry weight of root, (2) plant growth analysis i.e. specific leaf weight, net assimilation rate, plant growth rate, (3) and yield components i.e. weight 1000 grains, grain weight per hill, and grain weight per plot. The results showed that intermittent irrigation increased the surface area of root and the dry weight of root of Mentikwangi variety, and increased the specific leaf weight and weight of 1000 grains of IR64 variety, and increased the specific leaf weight and the net assimilation rate of Sintanur variety. Grain weight per hill and per plot showed no difference between intermittent irrigation and continuous irrigation. Grain weight per hill and per plot in intermittent irrigation achieved by Gabusan variety were 35.69 g and 14.28 kg respectively, while in continuous irrigation the grain weight achieved by Gabusan variety were 37.69 g and 15.08 kg respectively. In conclusion, there was no difference in yield between intermittent irrigation and continuous irrigation, so that the use of intermittent irrigation is more efficient in water use. Keywords : lowland rice, organic cultivation. root, SRI, water managementTo cite this article: Aziez, A.F., Hanudin, E. and Harieni, S. 2018. Impact of water management on root morphology, growth and yield component varieties of lowland rice under the organic system of rice intensification. J. Degrade. Min. Land Manage. 5(2):

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Impact of water management on root morphology, growth and yield component of lowland rice varieties under the organic system of rice intensification

Aziez

Hanudin

Harieni

2018

J.Degrade.Min.Land Manage.

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“…Rice (Oriza stiva L.) is a major staple food for much of the world's population and the largest consumer of water in the agricultural sector [1]. World food security remains largely dependent on irrigated lowland rice, which is the main source of rice supply [2].…”

Section: Introductionmentioning

confidence: 99%

Impact of Water Management on Rice Varieties, Yield, and Water Productivity under the System of Rice Intensification in Southern Taiwan

Pascual

Wang

2016

Water

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Abstract:The system of rice intensification (SRI) uses less water and enhances rice yield through synergy among several agronomic management practices. This claim was investigated to determine the effects of crop growth, yield and irrigation water use, using two thirds of the recommended SRI practices and two rice varieties, namely Tainan11 (TN11) and Tidung30 (TD30). Irrigation regimes were (a) intermittent irrigation with three-day intervals (TD30 3 and TN11 3 ); (b) intermittent irrigation with seven-day intervals (TD30 7 and TN11 7 ) and (c) continuous flooding (TD30 F and TN11 F ). Results showed that intermittent irrigation of three-and seven-day intervals produced water savings of 55% and 74% compared with continuous flooding. Total water productivity was greater with intermittent irrigation at seven-day intervals producing 0.35 kg·grain/m 3 (TN11 7 ) and 0.46 kg·grain/m 3 (TD30 7 ). Average daily headed panicle reduced by 166% and 196% for TN11 3 and TN11 7 compared with TN11 F , with similar reduction recorded for TD30 3 (150%) and TD30 7 (156%) compared with TD30 F . Grain yield of TD30 was comparable among irrigation regimes; however, it reduced by 30.29% in TN11 7 compared to TN11 F . Plant height and leaf area were greater in plants exposed to intermittent irrigation of three-day intervals.

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“…One notable feature of SRI production is the switch from anaerobic to aerobic conditions, in which the soil is oxygenated for longer periods than when rice is produced in flooded paddies. The oxygen, in combination with the inorganic fertilizer, enhances the activity of soil biota, thus promoting stronger root development and healthier rice plants, resulting in higher yields per hectare in some cases [233,234]. The aerobic characteristic of SRI production is consistent with efforts to reduce methane emissions.…”

Section: System Of Rice Intensificationmentioning

confidence: 69%

Managing Water and Soils to Achieve Adaptation and Reduce Methane Emissions and Arsenic Contamination in Asian Rice Production

Wichelns

2016

Water

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Rice production is susceptible to damage from the changes in temperature and rainfall patterns, and in the frequency of major storm events that will accompany climate change. Deltaic areas, in which millions of farmers cultivate from one to three crops of rice per year, are susceptible also to the impacts of a rising sea level, submergence during major storm events, and saline intrusion into groundwater and surface water resources. In this paper, I review the current state of knowledge regarding the potential impacts of climate change on rice production and I describe adaptation measures that involve soil and water management. In many areas, farmers will need to modify crop choices, crop calendars, and soil and water management practices as they adapt to climate change. Adaptation measures at the local, regional, and international levels also will be helpful in moderating the potential impacts of climate change on aggregate rice production and on household food security in many countries. Some of the changes in soil and water management and other production practices that will be implemented in response to climate change also will reduce methane generation and release from rice fields. Some of the measures also will reduce the uptake of arsenic in rice plants, thus addressing an important public health issue in portions of South and Southeast Asia. Where feasible, replacing continuously flooded rice production with some form of aerobic rice production, will contribute to achieving adaptation objectives, while also reducing global warming potential and minimizing the risk of negative health impacts due to consumption of arsenic contaminated rice.

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Impact of water management on yield and water productivity with system of rice intensification (SRI) and conventional transplanting system in rice

Cited by 65 publications

References 37 publications

Impact of water management on root morphology, growth and yield component of lowland rice varieties under the organic system of rice intensification

Impact of water management on root morphology, growth and yield component of lowland rice varieties under the organic system of rice intensification

Impact of Water Management on Rice Varieties, Yield, and Water Productivity under the System of Rice Intensification in Southern Taiwan

Managing Water and Soils to Achieve Adaptation and Reduce Methane Emissions and Arsenic Contamination in Asian Rice Production

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