Use of efficient water saving techniques for production of rice in India under climate change scenario: A critical review

Surendran, U.; Raja, P.; Jayakumar, M.; Subramoniam, Suresh

doi:10.1016/j.jclepro.2021.127272

Cited by 100 publications

(58 citation statements)

References 67 publications

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“…However, these studies provided only 82 records that showed low spatial representativeness to extrapolate onto global scales (Supplementary Text 1). (Surendran et al, 2021). This makes our estimates different from tangible mitigation potentials of GWP and IRR, depending on the spatial extent of non-continuous flooding practices and the level of UFR.…”

Section: Limitationsmentioning

confidence: 88%

“…Second, we quantified the global benefits of GWP and IRR reductions from adopting non‐continuous flooding practices simply relative to CF. It should be noted that non‐continuous flooding practices has been widely applied in rice fields particularly in China, Japan, and India, instead of CF over all rice areas (Surendran et al, 2021). This makes our estimates different from tangible mitigation potentials of GWP and IRR, depending on the spatial extent of non‐continuous flooding practices and the level of UFR.…”

Section: Discussionmentioning

confidence: 99%

“…Possible options include enhanced fertilizers (e.g., nitrification inhibitor), straw incorporation, no‐till practices, biochar application and high‐yielding rice cultivars (Chen et al, 2021; Jiang et al, 2017; Sriphirom et al, 2020). Given frequent occurrence of extreme weather events globally in the future, climate resilience of non‐continuous flooding practices should also be carefully considered (Surendran et al, 2021). As a consequence, further investigations are needed to obtain a more comprehensive and deeper understanding of non‐continuous flooding practices effects and improve modelling capacity for assessing multi‐fold benefits and trade‐offs to support development of site‐specific, climate resilient strategies (McDermid et al, 2021).…”

Section: Discussionmentioning

confidence: 99%

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Global benefits of non‐continuous flooding to reduce greenhouse gases and irrigation water use without rice yield penalty

Jägermeyr

Yin

et al. 2022

Global Change Biology

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Rice is one of the main staple food crops, sustaining more than half of the world's population (FAO;Zhao et al., 2017). However, current rice cultivation accounts for approximately 40% of global irrigation water use (IRR) (Lampayan et al., 2015), 8% of global anthropogenic methane (CH 4 ) emissions (Saunois et al., 2020), and 10% of global cropland nitrous oxide (N 2 O) emissions (Wang et al., 2020). Noncontinuous flooding strategies (such as alternative wetting and drying [AWD], intermittent irrigation and midseason drainage) has been

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Section: Limitationsmentioning

confidence: 88%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Global benefits of non‐continuous flooding to reduce greenhouse gases and irrigation water use without rice yield penalty

Jägermeyr

Yin

et al. 2022

Global Change Biology

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“…N loss via leaching and surface runoff showed a positive trend with increasing N application levels. Thus, our study suggested that it was difficult for controlled drainage to reduce N loss via surface runoff and leaching at the same time while controlling the N application rate was more sensitive to reducing the non-point pollutants of N. Unreasonable agricultural water management practices, such as uncontrolled overirrigation and leakage loss from irrigation channels, may make the lowland paddies prone to flooding and waterlogging [62]. Although a large threshold of hmax can be set in the rice water-saving irrigation regime to reduce surface runoff, more and longer rainwater storage in paddy fields increased the loss of deep percolation, which may increase the risk of N leaching.…”

Section: Scenarios Of Paddy Controlled Drainage and N Fertilizer Appl...mentioning

confidence: 91%

“…Moreover, long flooding and anaerobic conditions may have a negative impact on rice growth and yield [52]. However, HYDRUS-1D faced difficulties in assessing the impact of flooding on crop production due to its limited number Unreasonable agricultural water management practices, such as uncontrolled overirrigation and leakage loss from irrigation channels, may make the lowland paddies prone to flooding and waterlogging [62]. Although a large threshold of h max can be set in the rice water-saving irrigation regime to reduce surface runoff, more and longer rainwater storage in paddy fields increased the loss of deep percolation, which may increase the risk of N leaching.…”

Section: Scenarios Of Paddy Controlled Drainage and N Fertilizer Appl...mentioning

confidence: 99%

Modeling the Water and Nitrogen Management Practices in Paddy Fields with HYDRUS-1D

Chen

et al. 2022

Agriculture

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Rice production involves abundant water and fertilizer inputs and is prone to nitrogen (N) loss via surface runoff and leaching, resulting in agricultural diffuse pollution. Based on a two-season paddy field experiment in Jiangsu Province, China, field water and N dynamics and their balances were determined with the well-calibrated HYDRUS-1D model. Then, scenarios of different controlled drainage and N fertilizer applications were simulated using the HYDRUS-1D model to analyze the features and factors of N loss from paddy fields. Evapotranspiration and deep percolation were the two dominant losses of total water input over the two seasons, with an average loss of 50.9% and 38.8%, respectively. Additionally, gaseous loss of N from the whole soil column accounted for more than half of total N input on average, i.e., ammonia volatilization (17.5% on average for two seasons) and denitrification (39.7%), while the N uptake by rice accounted for 37.1% on average. The ratio of N loss via surface runoff to total N input exceeded 20% when the N fertilizer rate reached 300 kg ha−1. More and longer rainwater storage in rice fields under controlled drainage reduced surface runoff losses but increased the risk of groundwater contamination by N leaching. Therefore, compared with raising the maximum ponding rainwater depth for controlled drainage, optimizing N fertilizer inputs may be more beneficial for controlling agricultural diffuse pollution by reducing N loss via surface runoff and leaching. The HYDRUS-1D model provides an approach for the quantitative decision-making process of sustainable agricultural water and N management.

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Research progress in water‐saving cultivation of rice in China

Hao¹,

Xu²,

Meng³

et al. 2023

Crop Science

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The conflict between rice production and water scarcity is becoming more pronounced. Therefore, the advancement of water‐saving rice cultivation is crucial in guaranteeing both food and ecological security. This study provides a summary of the development and characteristics of various water‐saving cultivation techniques for rice, including alternate wetting and drying irrigation, wet irrigation, controlled irrigation, the system of rice intensification, direct seeding rice, and dry cultivation of rice (DCR). We also introduce the varietal characteristics of upland rice, aerobic rice, water‐saving and drought‐resistant rice, and DCR. We summarize the impact of different water‐saving cultivation models on yield and quality and regulatory measures, and propose challenges and strategies for the development of water‐saving cultivation of rice in the future. We hope to provide a reference for promoting the development of rice water‐saving cultivation and dry farming agriculture.

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Use of efficient water saving techniques for production of rice in India under climate change scenario: A critical review

Cited by 100 publications

References 67 publications

Global benefits of non‐continuous flooding to reduce greenhouse gases and irrigation water use without rice yield penalty

Global benefits of non‐continuous flooding to reduce greenhouse gases and irrigation water use without rice yield penalty

Modeling the Water and Nitrogen Management Practices in Paddy Fields with HYDRUS-1D

Research progress in water‐saving cultivation of rice in China

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