Impacts of variable soil drying in alternate wetting and drying rice systems on yields, grain arsenic concentration and soil moisture dynamics

Carrijo, Daniela R.; Akbar, Nadeem; Reis, André Froes Borja; Li, Chongyang; Gaudin, Amélie C. M.; Parikh, Sanjai J.; Green, Peter G.; Linquist, Bruce A.

doi:10.1016/j.fcr.2018.02.026

Cited by 138 publications

(65 citation statements)

References 39 publications

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“…Carrijo et al (2018) observed that grain As concentration diversely responded to different levels of drying in AWD. Grain As level in the least severe AWD treatment was similar to that in the WW treatment but was decreased by >50% under more severe drying for AWD irrigation (Carrijo et al, 2018). Yang et al (2009Yang et al ( , 2017 reported that WMD could cause reduction in grain As level and Cd content.…”

Section: Discussionmentioning

confidence: 96%

“…With the rapid development of industry and agriculture, contents of heavy metal elements in the soil have shown a tendency of dramatically increase, which could harm crop growth and human health (Farmer and Farmer, 2000;Brzóska and Moniuszko-Jakoniuk, 2001;Sponza and Karaoglu, 2002). Thus, there were many reports about the influences of soil moisture on heavy metal elements, especially for As and Cd in rice grains (Yang et al, , 2017Carrijo et al, 2018). Carrijo et al (2018) observed that grain As concentration diversely responded to different levels of drying in AWD.…”

Section: Discussionmentioning

confidence: 99%

“…Thus, there were many reports about the influences of soil moisture on heavy metal elements, especially for As and Cd in rice grains (Yang et al, , 2017Carrijo et al, 2018). Carrijo et al (2018) observed that grain As concentration diversely responded to different levels of drying in AWD. Grain As level in the least severe AWD treatment was similar to that in the WW treatment but was decreased by >50% under more severe drying for AWD irrigation (Carrijo et al, 2018).…”

Section: Discussionmentioning

confidence: 99%

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Response of Grain Quality to Alternate Wetting and Moderate Soil Drying Irrigation in Rice

et al. 2019

Crop Science

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Alternate wetting and moderate soil drying irrigation (WMD) has been widely adopted in rice (Oryza sativa L.) production for saving irrigation water and increasing grain yield. However, limited information is available about the effect of WMD on rice grain quality. The main purpose of this study was to evaluate the characteristics of grain quality in response to WMD. Two rice varieties, Yangdao 6 (YD6, indica) and Hanyou 8 (HY8, japonica), were grown in the field, with two water management treatments, well‐watered (WW) and WMD from 10 d after transplanting to maturity. In comparison with WW, WMD prominently increased grain yield by 7.57 to 9.72%, and improved some grain quality parameters such as milling, appearance, and eating and cooking qualities, including increases in head rice and decreases in chalkiness. The two varieties showed the same tendency. However, WMD had a negative impact on some nutritional quality traits in rice grains, such as reduction in the contents of amino acids and the micronutrient elements Cu, Fe, Mn, Mo, Se, and Zn. The WMD treatment also markedly decreased As content and exhibited no significant effect on Cd content in grains. The results demonstrated that WMD has an overall impact on rice grain quality with both positive and negative effects.

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Section: Discussionmentioning

confidence: 96%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Response of Grain Quality to Alternate Wetting and Moderate Soil Drying Irrigation in Rice

et al. 2019

Crop Science

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“…Not only does AWD reduce water use but also reduces emissions of greenhouse gases (Linquist, Ruark, Mutters, Greer, & Hill, ; Wassmann et al, ). The contents of heavy metals, such as arsenic, in rice have also been observed to be less in rice cultivated under AWD (Carrijo et al, ; Linquist et al, ). A recent report by Song et al () suggests that AWD, by enhancing phosphorus‐use efficiency, could also reduce the quantities of phosphorus fertilizers that are used during rice cultivation.…”

Section: Introductionmentioning

confidence: 99%

Impact of alternative irrigation practices on rice quality

et al. 2019

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Background and objectives:Current global concerns about water scarcity present a need to investigate more water-efficient rice production methods. Alternate wetting and drying (AWD) is fast emerging as a water-saving irrigation practice, but its effects on rice quality are largely unknown. To ascertain the impact of water-saving irrigation practices on rice quality, three irrigation treatments, namely continuous flooding with cascade delivery (four fields); continuous flooding with multiple-inlet delivery (four fields); and AWD with multiple-inlet delivery (four fields), were established on 12 production-sized (16.2 ha) fields in 2017. Findings: Results of rice quality evaluations showed that irrigation treatment had a significant (p < 0.05) effect on chalkiness. Samples harvested from the AWD fields had slightly greater mean chalkiness (5.6%) than samples harvested from the two continuously flooded fields (5.1-5.2%). Milling yields were not affected (p > 0.05) by irrigation treatments. The average milled rice and head rice yields across irrigation treatments were 73% and 59%, respectively. Regarding pasting properties, while peak and breakdown viscosities were not affected (p > 0.05) by the irrigation treatments, setback viscosity (SB), which is often linked with cooked rice texture, was impacted. Among the irrigation treatments, mean SB was least for the AWD treatment (146 cP), while the mean SB for the continuously flooded fields was similar at 168-169 cP. Conclusions: In summary, the use of AWD with multiple-inlet delivery did not impact milling yields of rice relative to the conventional practices of continuous flooding. However, rice harvested from the AWD treatment fields had slightly greater chalkiness and lesser SB. Significance and novelty: This study addresses a gap in literature concerning the impact of emerging water-saving irrigation techniques, especially AWD as it involves subjecting rice to a certain level of water stress, on rice grain quality characteristics. K E Y W O R D Salternate wetting and drying, chalkiness, milling yields, pasting properties, physicochemical properties 816 | GRAHAM-ACQUAAH et Al.

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“…In AWD irrigation, the soil is flooded with irrigation water to a depth of 2–5 cm and the water table is allowed to drop below the soil surface to a certain level before re‐applying irrigation water (Lampayan et al, ). The effect of AWD irrigation on rice production is still debatable; variations were observed in grain yield response, and both an increase (Carrijo et al, ; Ullah, Luc, et al, , Ullah, Mohammadi, & Datta, , Ullah, Datta, et al, ; Maneepitak et al, ) and a decrease (Bouman & Tuong, ; Xu et al, ) have been documented. This variation in grain yield under AWD irrigation has been attributed to method of implementation of the water management regime, severity of drought imposed by longer drying periods in AWD, soil moisture monitoring methodology, rice cultivar, soil, and weather conditions of the experimental site as well as nutrient management practices.…”

Section: Introductionmentioning

confidence: 99%

Nitrogen fertiliser and establishment method affect growth, yield and nitrogen use efficiency of rice under alternate wetting and drying irrigation

Santiago‐Arenas

Fanshuri

Hadi

et al. 2020

Annals of Applied Biology

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Sustainable rice production through selection of best suitable cultivar, water-efficient crop establishment method and optimum nitrogen (N) management practice is needed to feed the growing world population. Two polyhouse experiments were conducted to evaluate the response of rice to different rates and schedules of N application under different establishment methods subjected to alternate wetting and drying (AWD) irrigation. In the first experiment, the response of two rice cultivars (Pathumthani 1, RD57) under three establishment methods (transplanting [TP], wet direct seeding [WDS], dry direct seeding [DDS]) and five N rates (0 [N 0 ], 30 [N 30 ], 60 [N 60 ], 90 [N 90 ], 120 [N 120 ] kg ha −1 ) was evaluated. The second experiment consisted of the same cultivars and establishment methods, but with four N application schedules (T 1 : 100% at basal; T 2 : 75% + 25% at basal and at active tillering, respectively; T 3 : 50% + 25% + 25% at basal, at active tillering and at panicle initiation, respectively; and T 4 : 25% + 25% + 25% + 25% each at basal, at active tillering, at panicle initiation and at early flowering or just before heading starts) applied at the rate of N 60 kg ha −1 . Plants were maintained under AWD irrigation (soil was saturated by applying water whenever soil water potential drops to −5 kPa during the implementation period) in both experiments. RD57 performed better than Pathumthani 1 having higher shoot dry matter, panicle number, grain yield, total N uptake and apparent N recovery efficiency. TP gave better response than WDS and DDS regardless of cultivars. Application of N 120 resulted in better growth, yield and its components and total N uptake regardless of establishment methods and cultivars. Increasing N rate decreased N use efficiency (NUE). Scheduling the interval of N application to two or three times (T 2 or T 3 ) for RD57 and Pathumthani 1, respectively, provided overall better results, and could be recommended for the tested rice cultivars. An optimal N rate and selection of critical growth stages for N application would be very effective for maximising yield and NUE under the water-saving cultivation technique of AWD irrigation. K E Y W O R D Sdry direct seeding, establishment method, transplanting, water-saving irrigation, wet direct seeding

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Impacts of variable soil drying in alternate wetting and drying rice systems on yields, grain arsenic concentration and soil moisture dynamics

Cited by 138 publications

References 39 publications

Response of Grain Quality to Alternate Wetting and Moderate Soil Drying Irrigation in Rice

Response of Grain Quality to Alternate Wetting and Moderate Soil Drying Irrigation in Rice

Impact of alternative irrigation practices on rice quality

Nitrogen fertiliser and establishment method affect growth, yield and nitrogen use efficiency of rice under alternate wetting and drying irrigation

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