Physiological basis to assess barley response to optimized regulated deficit irrigation for limited volumes of water (ORDIL)

Pardo, José E.; Sánchez-Virosta, Álvaro; Lellis, Bruno; Domı́nguez, A.; Martínez-Romero, A.

doi:10.1016/j.agwat.2022.107917

Cited by 8 publications

(8 citation statements)

References 99 publications

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“…In research from Spain, reductions in barley yields occurred with increasing stress but the differences in yield with a conservative deficit approach were deemed acceptable (Pardo et al., 2022). Grain yield in barley is typically considered to have a low sensitivity to drought (González et al., 2008; Pardo et al., 2020; Samarah et al., 2009; Thabet et al., 2018).…”

Section: Resultsmentioning

confidence: 99%

“…Thus, the 100% ET c and 75% ET c rate were similar in being near the target of >90% defined by (AMBA, 2021) for malting barley where the 50% ET c rate would be substantially below specifications. Research from Spain where plump kernels are defined in a similar but slightly different manner (i.e., Fraction II = % grain >2.5 mm) resulted in similar results where nearly no difference in plump kernels were measured (Pardo et al, 2022). Test weights were all well above US grade 1 barley and the minor differences were not relevant to agronomic decisions or end-use goals (USDA-FGIS, 2016).…”

Section: Grain Yield and Qualitymentioning

confidence: 89%

“…1 tuber size; positive responses were reported for peaches (Prunus persica L.) as they had improved coloration and in potatoes (Solanum tuberosum L.) where the end-users desired smaller sized tubers, the C 2 yield fraction was increased (Gelly et al, 2004;Ghobadi et al, 2006;Hutton & Loveys, 2011;Kirda et al, 2007;Shahnazari et al, 2007;Stark et al, 2013;Tarkalson & King, 2017;Xie et al, 2012) While barley has drought tolerance potential, yield and quality response must be considered under consistent deficit amounts to determine their suitability to meet the needs of end-users with strict requirements (Mosaddek Ahmed et al, 2016). In small-grain cereal crops specifically, crop water stress early in crop development and around anthesis can reduce yield through a reduction in number of kernels per area and mean weight of kernels (Calderini et al, 2001;Carter & Stoker, 1985;Fischer, 1985;Pardo et al, 2022;Savin & Slafer, 1991). Grain quality parameters can be negatively impacted under water-stressed conditions particularly when stress occurs during grain fill (Qureshi & Neibling, 2009;Rogers et al, 2022;Stevens et al, 2015).…”

Section: Core Ideasmentioning

confidence: 99%

“…Additionally, genotype variation in grain protein under full and water-stressed conditions has been measured (Liang et al, 2022). A recent study reported results from 3-years on barley grown in Spain using drip irrigation that determined application rates based on a modeling approach developed for the crop and region (Pardo et al, 2020(Pardo et al, , 2022. Their results indicated generally similar yield and quality parameters when water was applied at 80% of their no deficit rate.…”

Section: Core Ideasmentioning

confidence: 99%

“…While barley has drought tolerance potential, yield and quality response must be considered under consistent deficit amounts to determine their suitability to meet the needs of end‐users with strict requirements (Mosaddek Ahmed et al., 2016). In small‐grain cereal crops specifically, crop water stress early in crop development and around anthesis can reduce yield through a reduction in number of kernels per area and mean weight of kernels (Calderini et al., 2001; Carter & Stoker, 1985; Fischer, 1985; Pardo et al., 2022; Savin & Slafer, 1991). Grain quality parameters can be negatively impacted under water‐stressed conditions particularly when stress occurs during grain fill (Qureshi & Neibling, 2009; Rogers et al., 2022; Stevens et al., 2015).…”

Section: Introductionmentioning

confidence: 99%

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Deficit irrigation effects on adjunct and all‐malt barley yield and quality

Rogers

Hu²,

King

2023

Agronomy Journal

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Semiarid regions are reliant on irrigation to produce large-yielding and high-quality malt barley (Hordeum vulgare L.). Drought in the western United States is of concern as surface and ground water reductions are occurring that affect irrigation water availability. Implementing a seasonal water deficit compared to evapotranspiration (ET) is a potential strategy to reduce water usage if yield and quality can be maintained. Research was conducted in Aberdeen, ID, on the effects of deficit irrigation on yield, grain quality, and malt characteristics. Five genotypes were selected to represent those used for large-scale adjunct brewing and those targeted at the all-malt craft industry. Irrigation was managed at three rates (100%, 75%, and 50%) of estimated crop evapotranspiration (ET c ) using sprinkler irrigation. Total aboveground dry matter was not affected by irrigation until soft dough (Feekes 11.2). Yield was similar within a genotype with irrigation reduction from 100% ET c to 75% ET c . Averaged across genotypes, yields were 6936 kg ha −1 at 100% ET c and 6297 kg ha −1 at 75% ET c . At 75% ET c , protein remained just below the adjunct target (130 g kg −1 ) for four of five genotypes while all five exceeded the all-malt target (120 g kg −1 ). Reduced irrigation decreased malt extract and increased diastatic power, where β-glucan either did not differ or increased. Deficit irrigation is promising, particularly for adjunct brewing; however, expected changes to malting quality must be understood and genotype selection, altered fertilizer management, and/or changes to malting criteria may be needed for implementation. INTRODUCTIONBarley in the western United States is predominately tworow type produced for the end-use of malting and brewing.

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Section: Resultsmentioning

confidence: 99%

Section: Grain Yield and Qualitymentioning

confidence: 89%

Section: Core Ideasmentioning

confidence: 99%

Section: Core Ideasmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Deficit irrigation effects on adjunct and all‐malt barley yield and quality

Rogers

Hu²,

King

2023

Agronomy Journal

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Application of the AquaCrop model and response surface method to determine the optimum irrigation water and seeding density for wheat growing under sprinkler irrigation system

Shabani,

Habibagahi,

Mahbod

et al. 2024

Irrigation and Drainage

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This study aimed to determine the optimal seeding density and irrigation water for maximizing wheat yield, water productivity and income using the AquaCrop model and response surface method (RSM). The AquaCrop model was calibrated and validated using experimental data from two successive growing seasons. The AquaCrop simulations for grain yield, biomass, soil water content, evapotranspiration and canopy cover were satisfactory and acceptable. After calibration, the model simulated the grain yield for 47 years with five seeding densities and four irrigation schedules. By applying RSM to the AquaCrop model outputs over 47 years, it was found that irrigation water amounts of 747, 198 and 747 mm, along with seeding densities of 211, 188 and 208 kg ha−1, respectively, maximized the wheat yield, water productivity and profit per unit area. A seeding density of 162.4 kg ha−1 combined with a total of 350 mm of irrigation water and rainfall resulted in the highest water productivity. This study demonstrated the reliability of the AquaCrop model in predicting wheat grain yield under various irrigation and seeding density conditions, providing valuable insights for farmers and agricultural experts to optimize crop productivity and profitability.

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Mapping China's reserved arable lands and its sustainable cropping layout

Chen,

He,

Wang

et al. 2024

J Sci Food Agric

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BACKGROUNDReserved arable lands in China is of great significance for rationally allocating crop planting structures, alleviating the pressure of grain imports, and protecting food security. Owing to data acquisition limitations, obtaining the spatial distribution of reserved arable lands at large spatial scales is relatively rare, and there is little information on predicting the suitability, production capacity, and ecological effects of crop cultivation in reserved arable lands. This study obtained the distribution of reserved arable lands in China by applying restrictive factors, and used the Food and Agriculture Organisation of the United Nations (FAO) suitability index for eight crops to obtain a spatial distribution map of suitable crops, proposed a cropland ecological efficiency index (CEEI) to analyse the ecological impact of crop cultivation in reserved arable lands.RESULTSChina possesses approximately 3.93 million hectares of viable reserved arable lands comprising primarily grasslands (67.68%), sandy land (8.11%), saline‐alkali land (20.68%), and bare land (3.53%). The average CEEI for the eight crops under irrigation conditions ranges from 0.844 to 0.865, and that under rain‐fed conditions (excluding rice) ranges from 0.609 to 0.779.CONCLUSIONWe proposed the development of rain‐fed agriculture with sorghum as the primary crop in the central part of Shanxi and Inner Mongolia, while promoting the cultivation of rapeseed and soybeans in the eastern parts of Heilongjiang, Jilin, and Inner Mongolia. Overall, the development of irrigation agriculture focusing on wheat and barley should be pursued only when water resources are guaranteed, particularly in north‐western regions such as Gansu, Ningxia, Xinjiang, Qinghai, and Shaanxi. © 2024 Society of Chemical Industry.

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Physiological basis to assess barley response to optimized regulated deficit irrigation for limited volumes of water (ORDIL)

Cited by 8 publications

References 99 publications

Deficit irrigation effects on adjunct and all‐malt barley yield and quality

Deficit irrigation effects on adjunct and all‐malt barley yield and quality

Application of the AquaCrop model and response surface method to determine the optimum irrigation water and seeding density for wheat growing under sprinkler irrigation system

Mapping China's reserved arable lands and its sustainable cropping layout

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