Sensitivity of the DSSAT model in simulating maize yield and soil carbon dynamics in arid Mediterranean climate: Effect of soil, genotype and crop management

Attia, Ahmed; El-Hendawy, Salah; Al-Suhaibani, Nasser; Tahir, Muhammad Usman; Mubushar, Muhammad; Vianna, Murilo dos Santos; Ullah, Hayat; Mansour, Elsayed; Datta, Avishek

doi:10.1016/j.fcr.2020.107981

Cited by 46 publications

(20 citation statements)

References 62 publications

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“…Using the area designated for maize production in the Experimental Farm of the College of Agriculture, University of Zagazig (30°36′ N, 32°16′ E), Egypt, two summer field trials were implemented in 2018 and 2019. This region is semi-arid, and its climate is characterized by high temperatures and a lack of rainfall during the summer seasons [ 43 ]. During 2018 and 2019, Table 1 displays the average monthly temperature (minimum and maximum), growing degree days, and total precipitation, plus the long-term averages of 35 years.…”

Section: Methodsmentioning

confidence: 99%

Exogenously Used 24-Epibrassinolide Promotes Drought Tolerance in Maize Hybrids by Improving Plant and Water Productivity in an Arid Environment

Desoky

Mansour

Ali

et al. 2021

Plants

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The influence of 24-epibrassinolide (EBR24), applied to leaves at a concentration of 5 μM, on plant physio-biochemistry and its reflection on crop water productivity (CWP) and other agronomic traits of six maize hybrids was field-evaluated under semi-arid conditions. Two levels of irrigation water deficiency (IWD) (moderate and severe droughts; 6000 and 3000 m3 water ha–1, respectively) were applied versus a control (well-watering; 9000 m3 water ha–1). IWD reduced the relative water content, membrane stability index, photosynthetic efficiency, stomatal conductance, and rates of transpiration and net photosynthesis. Conversely, antioxidant enzyme activities and osmolyte contents were significantly increased as a result of the increased malondialdehyde content and electrolyte leakage compared to the control. These negative influences of IWD led to a reduction in CWP and grain yield-related traits. However, EBR24 detoxified the IWD stress effects and enhanced all the above-mentioned parameters. The evaluated hybrids varied in drought tolerance; Giza-168 was the best under moderate drought, while Fine-276 was the best under severe drought. Under IWD, certain physiological traits exhibited a highly positive association with yield and yield-contributing traits or CWP. Thus, exogenously using EBR24 for these hybrids could be an effective approach to improve plant and water productivity under reduced available water in semi-arid environments.

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Section: Methodsmentioning

confidence: 99%

Exogenously Used 24-Epibrassinolide Promotes Drought Tolerance in Maize Hybrids by Improving Plant and Water Productivity in an Arid Environment

Desoky

Mansour

Ali

et al. 2021

Plants

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“…The Mediterranean region is one of the most vulnerable areas to the deleterious impacts of climate change, with fluctuations in precipitation and water shortage being projected to increase, particularly in arid and semi-arid environments (García-Ruiz et al, 2011 ; Cook et al, 2016 ; Mansour et al, 2018 ; Spinoni et al, 2018 ; Chiwetalu et al, 2020 ). As a result, water scarcity causes destructive alterations in the biochemical and physiological processes of plants and, consequently, reduces their growth and productivity (Siddiqui et al, 2015 ; Attia et al, 2021 ; Desoky et al, 2021 ; Mansour et al, 2021 ). Therefore, it is crucial to mitigate the deleterious impacts of water deficiency using practical approaches to boost drought tolerance in field crops (Semida et al, 2020 ; Abd El-Mageed et al, 2021 ; El-Sanatawy et al, 2021 ).…”

Section: Introductionmentioning

confidence: 99%

Physio-Biochemical and Agronomic Responses of Faba Beans to Exogenously Applied Nano-Silicon Under Drought Stress Conditions

et al. 2021

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Nano-silicon application is an efficient novel approach to mitigate the deleterious impacts of drought stress on field crops, which is expected to increase owing to climate change, especially in arid regions. Two-season field studies investigated the influence of foliar-applied nano-silicon (0.5, 1, and 1.5 mM) on physiological and biochemical attributes and their impacts on crop water productivity (CWP) and the agronomic traits of faba beans (Vicia faba). The plants were evaluated under two irrigation regimes: well-watered (100% ETc giving 406 mm ha−1) and drought stress (65% ETc giving 264 mm ha−1). It was found that drought stress significantly decreased gas exchange (leaf net photosynthetic rate, stomatal conductance, and rate of transpiration), water relations (relative water content and membrane stability index), nutrient uptake (N, P, K+, and Ca+2), flavonoids, and phenolic content. In contrast, drought stress significantly increased oxidative stress (H2O2 and O2·-) and enzymatic and non-enzymatic antioxidant activities compared with the well-watered treatment. These influences of drought stress were negatively reflected in seed yield-related traits and CWP. However, foliar treatment with nano-silicon, particularly with 1.5 mM, limited the devastating impact of drought stress and markedly enhanced all the aforementioned parameters. Therefore, exogenously applied nano-silicon could be used to improve the CWP and seed and biological yields of faba bean plants under conditions with low water availability in arid environments.

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“…Indeed, salinity is one of the most important abiotic stresses that destructively affect crop production, particularly in arid and semi-arid regions [2,3]. The arid environments are characterized by water shortage, frequent drought, dry seasons, high climatic variation and different forms of land degradation [4][5][6]. The recent climate change is characterized by decreasing precipitation and increasing temperature, resulting in greater aridity.…”

Section: Introductionmentioning

confidence: 99%

Sowing Date and Genotype Influence on Yield and Quality of Dual-Purpose Barley in a Salt-Affected Arid Region

et al. 2021

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Dual-purpose barley is an alternative approach to producing high-quality forage yield plus an acceptable grain yield in marginal environments of arid regions that are characterized by lack of forage. Field experiment was performed in two consecutive growing seasons at an arid region affected by salinity in irrigation water and soil at Western Sinai Peninsula in Egypt. The study aimed to optimize sowing date and screen salt-tolerant barley genotypes that perform better in terms of forage yield and quality as well as grain and biomass yield production in salt-affected environment. Sowing dates, genotypes, and their interaction significantly impacted most of the studied variables such as forage yield, crude protein yield, and grain and biomass yields. The early sowing in late October yielded higher than intermediate sowing in mid-November and late sowing in early December. Some of the tested genotypes performed better than others as indicated by about 50% higher forage yield, 6% crude protein content, 39% grain and 21% biological yields (total aboveground dry matter), suggesting higher adaptation capacity. Interestingly, grain and biological yields did not differ significantly between dual-purpose approach and grain-only pattern. In conclusion, dual-purpose barley was found favorable for producing grain and forage production in similar environments under early sowing date.

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Sensitivity of the DSSAT model in simulating maize yield and soil carbon dynamics in arid Mediterranean climate: Effect of soil, genotype and crop management

Cited by 46 publications

References 62 publications

Exogenously Used 24-Epibrassinolide Promotes Drought Tolerance in Maize Hybrids by Improving Plant and Water Productivity in an Arid Environment

Exogenously Used 24-Epibrassinolide Promotes Drought Tolerance in Maize Hybrids by Improving Plant and Water Productivity in an Arid Environment

Physio-Biochemical and Agronomic Responses of Faba Beans to Exogenously Applied Nano-Silicon Under Drought Stress Conditions

Sowing Date and Genotype Influence on Yield and Quality of Dual-Purpose Barley in a Salt-Affected Arid Region

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