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Journal articles on the topic 'GDDs'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Villordon, Arthur, Ron Sheffield, Jose Rojas, and Yin-Lin Chiu. "Development of Simple Bayesian Belief and Decision Networks as Interactive Visualization Tools for Determining Optimal In-row Spacing for ‘Beauregard’ Sweetpotato." HortScience 46, no. 12 (2011): 1588–97. http://dx.doi.org/10.21273/hortsci.46.12.1588.

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A Bayesian belief network (BBN) model, which we named BxINROW/NET, was developed to represent the relationships among in-row spacing regimes, some agroclimatic variables known to influence storage root initiation, growing degree-days (GDDs) to harvest, and yield grades in ‘Beauregard’ sweetpotato grown in Louisiana. The model was developed from experimental data collected in a subset of years between 1990 and 2010 and assumed that soil moisture, weeds, and chemical injury were not limiting variables during the growing season. The BBN model error rates for storage root yields were 21%, 20%, and

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KAKABOUKI, Ioanna, Dimitrios BESLEMES, Evangelia L. TIGKA, et al. "Performance of fourteen genotypes of durum wheat under Eastern Mediterranean conditions." Notulae Botanicae Horti Agrobotanici Cluj-Napoca 50, no. 1 (2022): 12682. http://dx.doi.org/10.15835/nbha50112682.

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Durum wheat is used as raw material for many foods. Climate change might be responsible for larger or smaller changes in crop yields. For the combined assessment of climate and crop, growing degree days (GDDs) have a crucial role. Two experimental lines and twelve commercial wheat (Triticum durum) varieties from diverse backgrounds were cultivated to compare their crop properties, yield, and protein content in terms of GDDs. The experiment was established in typical Mediterranean environment, using a randomized complete block design with blocks of varieties and lines for two growing seasons. F

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Zhang, Guizhi, and Yonghong An. "The intersection problem for kite-GDDs." Filomat 37, no. 7 (2023): 2227–36. http://dx.doi.org/10.2298/fil2307227z.

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In this paper the intersection problem for a pair of kite-GDDs of type 4u is investigated. The intersection problem for kite-GDDs is the determination of all pairs (T, s) such that there exists a pair of kite-GDDs (X,H,B1) and (X,H,B2) of the same type T and |B1?B2| = s. Let J(u) = {s : ? a pair of kite-GDDs of type 4u intersecting in s blocks}; I(u) = {0, 1,..., bu ? 2, bu}, where bu = 2u(u ? 1) is the number of blocks of a kite-GDD of type 4u. We show that for any positive integer u ? 3, J(u) = I(u).

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Duarte, Ricardo Garavito, Jorge Y. Perez-Palencia, Kevin Herrick, and Crystal L. Levesque. "PSVI-18 Nutritional Value of High-protein Yeast Products Fed to Growing Pigs in Comparison to Commonly Used Protein Sources in Swine Diets." Journal of Animal Science 99, Supplement_1 (2021): 204. http://dx.doi.org/10.1093/jas/skab054.333.

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Abstract Alternative ingredients and co-products from the ethanol and biofuel industries represent an opportunity for utilization in swine diets. The objective of this study was to determine standardized ileal digestibility (SID) of AA in two yeast-based high protein DDGS products (HP-DDGS) fed to growing pigs in comparison to common swine diet protein sources. Cornstarch-based diets were formulated using six ingredients as the sole source of AA: spray dried HP-GDDS, ring dried HP-GDDS, conventional DDGS, soybean meal (SBM), enzymatically-treated soybean meal (HP300) and fishmeal (FM). A N-fre

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Peterson, Kenton W., Robert C. Shearman, Roch E. Gaussoin, Garald L. Horst, and Walter H. Schacht. "Growing Degree-day Influence on Sprigged Establishment of Two Buffalograss Cultivars." HortScience 45, no. 2 (2010): 293–98. http://dx.doi.org/10.21273/hortsci.45.2.293.

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Attempts to establish buffalograss [Buchloë dactyloides (Nutt.) Engelm.] turfs from sprigs have been limited and successful stand establishment has been inconsistent. This study was conducted to determine whether accumulated growing degree-days (GDD) and cultivar of harvested sprigs have an effect on buffalograss sprig establishment. Two field studies were conducted on a Tomek silty-clay loam (fine smectitic mesic Pachic Agriudolls) in 2007 and again in 2008. The cultivars Legacy, a hexaploid, and Prestige, a tetraploid, were used in this investigation. Sprigs were harvested and planted on 29

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Girma Tefera, Zebene, and Samuel Asefa Fufa. "GDDs with 4 Groups and Block Size 5." SINET: Ethiopian Journal of Science 46, no. 2 (2023): 146–53. http://dx.doi.org/10.4314/sinet.v46i2.3.

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This paper studies a special case of group divisible designs (GDDs) called 3-GDDs, which were defined by extending the definitions of a group divisible designs and a t-design. In particular, the paper looks at a 3-GDD(n, 4, 5; μ1, μ2) with 4 groups and block size 5. Necessary conditions for the existence given.

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Liu, Xiao-Lei, Julius S. Lipp, Jan M. Schröder, Roger E. Summons, and Kai-Uwe Hinrichs. "Isoprenoid glycerol dialkanol diethers: a series of novel archaeal lipids in marine sediments." Organic Geochemistry 43 (November 17, 2011): 50–55. https://doi.org/10.1016/j.orggeochem.2011.11.002.

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Abstract We report a new series of archaeal lipids, widespread in marine sediments and tentatively assigned as isoprenoid glycerol dialkanol diethers (GDDs). They are structural analogs of isoprenoid glycerol dialkyl glycerol tetraethers (GDGTs), with one glycerol unit missing and with each biphytanyl moiety possessing a terminal OH group. Identification is based on molecular formulae determined from accurate mass measurement and interpretation of mass spectral fragmentation patterns. Acetylation of GDD-0 confirmed the presence of three OH groups, and ether cleavage and reduction of the produc

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8

Du, Juan, R. Julian R. Abel, and Jinhua Wang. "Some new resolvable GDDs with k=4 and doubly resolvable GDDs with k=3." Discrete Mathematics 338, no. 11 (2015): 2105–18. http://dx.doi.org/10.1016/j.disc.2015.05.008.

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9

Williams, Larry E. "Growth of ‘Thompson Seedless’ Grapevines: I. Leaf Area Development and Dry Weight Distribution." Journal of the American Society for Horticultural Science 112, no. 2 (1987): 325–30. http://dx.doi.org/10.21273/jashs.112.2.325.

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Abstract Data were collected over 3 years to provide detailed information on growth and development of ‘Thompson Seedless’ grapevines used for raisin production. Leaf area and leaf, shoot, and cluster dry weights were measured throughout the growing season. Results were plotted against growing degree days (GDDs), using a minimum temperature threshold of 10°C, after budbreak. There was a linear increase in leaf area and vegetative dry matter from about 200 to 1000 GDDs after budbreak. Cluster dry weight increased linearly from 750 GDDs after budbreak until harvest. While shoot numbers per vine

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Quang, P. V., D. V. Nha, N. T. T. Hang, L. H. Phuoc, and N. T. T. Xuan. "Effects of Accumulated Growing Degree Days (GDDs) on Sesame (Sesamum indicum) Growth and Yield under Greenhouse Condition in the Mekong Delta, Vietnam." IOP Conference Series: Earth and Environmental Science 1306, no. 1 (2024): 012012. http://dx.doi.org/10.1088/1755-1315/1306/1/012012.

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Abstract Sesame has high nutritional value, sesame seeds contain oil, protein, sugar, water, ash, and two kinds of oleic acid and linoleic acid; sesame is commonly used in the diet or as a vegetable oil. Sesame is grown in many tropical countries, and the optimum temperature for sesame growth is 25-30 °C. Due to climate change, the temperature is increasing, in the Mekong Delta of Vietnam, the temperature in summer can reach nearly 35 °C. The research question is whether high air temperature affects sesame growth and yield. To answer the above question, the study was conducted in greenhouse co

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Abel, R. Julian R., Yudhistira A. Bunjamin, and Diana Combe. "The 4-GDDs of type 3562." Discrete Mathematics 345, no. 11 (2022): 112983. http://dx.doi.org/10.1016/j.disc.2022.112983.

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12

El-Zanati, Saad I., Narong Punnim, and Chris A. Rodger. "Gregarious GDDs with Two Associate Classes." Graphs and Combinatorics 26, no. 6 (2010): 775–80. http://dx.doi.org/10.1007/s00373-010-0951-8.

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Yin, Jianxing, Alan C. H. Ling, Charles J. Colbourn, and R. J. R. Abel. "The existence of uniform 5-GDDs." Journal of Combinatorial Designs 5, no. 4 (1997): 275–99. http://dx.doi.org/10.1002/(sici)1520-6610(1997)5:4<275::aid-jcd4>3.0.co;2-c.

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14

Grigorieva, Elena. "Evaluating the Sensitivity of Growing Degree Days as an Agro-Climatic Indicator of the Climate Change Impact: A Case Study of the Russian Far East." Atmosphere 11, no. 4 (2020): 404. http://dx.doi.org/10.3390/atmos11040404.

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Climate is a key factor in agriculture, but we are unable to adequately predict future climates. Although some studies have addressed the short and long-run impacts of climate change on agriculture, few of them specifically focused on the analysis of its thermal component. Climatic regions with an extreme thermal range are a special case, as seasonal contrasts complicate the picture. Based on the above, the purpose of the paper is twofold. First, we review methods and indices used for the estimation of changes in the thermal component of the climate and demonstrate the usefulness of a sensitiv

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15

Bolton, Melvin D., Lee Panella, Larry Campbell, and Mohamed F. R. Khan. "Temperature, Moisture, and Fungicide Effects in Managing Rhizoctonia Root and Crown Rot of Sugar Beet." Phytopathology® 100, no. 7 (2010): 689–97. http://dx.doi.org/10.1094/phyto-100-7-0689.

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Rhizoctonia solani AG-2-2 is the causal agent of Rhizoctonia root and crown rot in sugar beet; however, recent increases in disease incidence and severity were grounds to reevaluate this pathosystem. To assess the capacity at which other anastomosis groups (AGs) are able to infect sugar beet, 15 AGs and intraspecific groups (ISGs) were tested for pathogenicity on resistant (‘FC708 CMS’) and susceptible (‘Monohikari’) seedlings and 10-week-old plants. Several AGs and ISGs were pathogenic on seedlings regardless of host resistance but only AG-2-2 IIIB and AG-2-2 IV caused significant disease on

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16

McGarry, Roisin, Jocelyn A. Ozga, and Dennis M. Reinecke. "Differences in Fruit Development among Large- and Small-fruited Cultivars of Saskatoon (Amelanchier alnifolia)." Journal of the American Society for Horticultural Science 126, no. 4 (2001): 381–85. http://dx.doi.org/10.21273/jashs.126.4.381.

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Fruit growth in saskatoons (Amelanchier alnifolia Nutt.), an emerging horticultural crop across the Canadian prairies, results from development of the mesocarp and the endocarp-locular-ovular structure which includes the developing seeds. Contribution of these tissues to fruit size was assessed using transverse sections of ovaries sampled at six developmental stages among large- and small-fruited cultivars. Mesocarp development was similar among the larger-fruited cultivars (Thiessen, Northline, and Smoky); the number of cells increased rapidly through Stage I [162 to 293 growing degree days (

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17

Williams, Larry E. "Growth of ‘Thompson Seedless’ Grapevines: II. Nitrogen Distribution." Journal of the American Society for Horticultural Science 112, no. 2 (1987): 330–33. http://dx.doi.org/10.21273/jashs.112.2.330.

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Abstract Nitrogen content and concentration were determined on field-grown ‘Thompson Seedless’ grapevines in the San Joaquin Valley of California. Individual vine replicates were harvested throughout the growing season over a 3-year period. There was a linear increase in vine N content from budbreak to 1000 growing degree days (GDDs) later. During this time, the accumulation of N was primarily in the stems and leaves. Subsequent to 1000 GDDs, the increase in vine N was due to the accumulation of N in the clusters. Throughout the season, N concentration in all vine parts decreased. The increase

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18

Mauget, Steven, Mauricio Ulloa, and Jane Dever. "Planting Date Effects on Cotton Lint Yield and Fiber Quality in the U.S. Southern High Plains." Agriculture 9, no. 4 (2019): 82. http://dx.doi.org/10.3390/agriculture9040082.

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Cotton planting date effects in the U.S. Southern High Plains (SHP) were evaluated based on 11 years of May-planted and June-planted irrigated variety trials. Multiple cultivars planted in each year’s trial allowed for the calculation of 153 yield effects and 162 effects in 5 fiber quality parameters. Yield and quality effects were considered in the context of related changes in total growing season degree days (GDDS) and total cool hours (CHRS) during a boll formation period 80 to 110 days after planting. May planting increased GDDS and significantly increased yields in 8 of 10 years that com

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19

Otsu, Kaori, and Joan Maso. "Digital Twins for Research and Innovation in Support of the European Green Deal Data Space: A Systematic Review." Remote Sensing 16, no. 19 (2024): 3672. http://dx.doi.org/10.3390/rs16193672.

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According to the European Data Strategy established in 2020, the European Open Science Cloud (EOSC) is described as “the basis for a science, research and innovation data space… and will be connected and articulated with the sectoral data spaces”, being one of the 14 European Common Data Spaces. While current cross-sectoral interactions with the EOSC are realised through the association’s Health Data Task Force, advancements in other EU priorities, such as the Green Deal and the Digital Strategy, should be accelerated in the green and digital transitions and integrated by reinforcing each othe

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20

Abel, R. Julian R., Yudhistira A. Bunjamin, and Diana Combe. "Existence of 4-GDDs with at most 50 points and 4-GDDs of types 6 3 and 9 3." Discrete Mathematics 344, no. 9 (2021): 112479. http://dx.doi.org/10.1016/j.disc.2021.112479.

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21

Samuel, Sandy, Enchi K. Chang, Sanchay Gupta, et al. "Outcomes of Anterior Chamber, Sulcus, and Pars Plana Glaucoma Drainage Device Placement in Glaucoma Patients." Journal of Ophthalmology 2022 (July 20, 2022): 1–14. http://dx.doi.org/10.1155/2022/5947992.

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Purpose. To assess outcomes of anterior chamber (AC), sulcus, and pars plana (PP) glaucoma drainage device (GDD) placement in glaucoma patients. Patients and Methods. Retrospective evaluation of glaucoma patients who underwent GDD insertion in the AC, sulcus, or PP at Massachusetts Eye and Ear between November 2016 and May 2021. Patients who received AC, sulcus, and pars plana tubes were selected using simple random sampling, and the first 40 patients meeting inclusion criteria were analyzed. Main outcome measures were cumulative success probabilities from Kaplan-Meier (KM) analyses, intraocul

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Kara, Emre, Ahmet İhsan Kutlar, and Kıvanç Güngör. "Construction of a novel microfluidic experimental setup for testing recent glaucoma drainage devices." Current Directions in Biomedical Engineering 5, no. 1 (2019): 219–22. http://dx.doi.org/10.1515/cdbme-2019-0056.

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AbstractGlaucoma is an eye disorder in which the optic nerve is damaged over time due to a sustained elevation of the intraocular pressure (IOP). Being the second leading cause of blindness according to the reports of the World Health Organization, glaucoma is not only a serious ocular disease that threatens individuals, but also a community health problem. In recent years, great improvement has been achieved in the technology of implants used in the treatment of the disease. Despite the great effort dedicated to the design and implementation of the glaucoma drainage devices (GDD), they still

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Kreher, D. L., A. C. H. Ling, R. S. Rees, and C. W. H. Lam. "A note on {4}-GDDs of type 210." Discrete Mathematics 261, no. 1-3 (2003): 373–76. http://dx.doi.org/10.1016/s0012-365x(02)00482-x.

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Bennett, F. E., Nabil Shalaby, and Jianxing Yin. "Existence of directed GDDs with block size five." Journal of Combinatorial Designs 6, no. 6 (1998): 389–402. http://dx.doi.org/10.1002/(sici)1520-6610(1998)6:6<389::aid-jcd1>3.0.co;2-b.

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25

Calamai, Alessandro, Alberto Masoni, Lorenzo Marini, et al. "Evaluation of the Agronomic Traits of 80 Accessions of Proso Millet (Panicum miliaceum L.) under Mediterranean Pedoclimatic Conditions." Agriculture 10, no. 12 (2020): 578. http://dx.doi.org/10.3390/agriculture10120578.

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The continuous increase in the world population and the associated food demands in the wake of climate change are pushing for the development and cultivation of climate-resilient crops that are able to efficiently use natural resources. Proso millet (Panicum miliaceum L.) might be a promising candidate crop thanks to its heat stress resistance and its limited water demand. To date, one of the most important strategies to increase grain yield and to improve other agronomic important traits is through an efficient breeding program based on a wide genetic variability of parental germplasm. In thi

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Monteiro, Harleson Sidney Almeida, Marco Antonio Tecchio, Sinara de Nazaré Santana Brito, et al. "Phenological Development, Thermal Requirement, and Quality of ‘BRS Núbia’ (Vitis vinifera L. x Vitis labrusca L.) Grapes on Different Rootstocks." Horticulturae 11, no. 5 (2025): 466. https://doi.org/10.3390/horticulturae11050466.

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The cultivation of table grapes in Brazil is economically significant, with production influenced by edaphoclimatic factors and rootstock selection. The cultivar ‘BRS Núbia’ (Vitis vinifera L. x Vitis labrusca L.) is a promising alternative; however, its phenological behavior, thermal requirements, and compatibility with different rootstocks under subtropical conditions require further evaluation. This study aimed to assess the duration of phenological stages, thermal requirement, and ripening dynamics of ‘BRS Núbia’ grapevines grafted onto the rootstocks ‘IAC 572 Jales’, ‘IAC 766 Campinas’, a

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Ramachandra Kurup, Arun, Daniel Rozban, Amir Abramovich, Yitzhak Yitzhaky, and Natan Kopeika. "Millimeter-Wave Imaging with Range-Resolved 3D Depth Extraction Using Glow Discharge Detection and Frequency-Modulated Continuous Wave Radar." Applied Sciences 15, no. 4 (2025): 2248. https://doi.org/10.3390/app15042248.

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This paper presents a preliminary proof-of-concept study of a novel approach to 3D millimeter-wave (MMW) imaging, demonstrating the first implementation of Glow Discharge Detectors (GDDs) in this domain. GDDs offer significant advantages over conventional MMW detectors like Schottky diodes or bolometers due to their cost-effectiveness, robustness to high-power MMW signals, and reliable operation under diverse environmental conditions. Based on weakly ionized plasma (WIP) technology, GDDs detect changes in discharge current upon MMW exposure, providing an affordable and durable alternative to t

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Olson, Brittany Korynta, Matthew Brooke, Zhuoyu Wang, Andrej Svyantek, John Stenger, and Harlene Hatterman-Valenti. "‘Frontenac’ Grape Response to Canopy Management in North Dakota." Horticulturae 7, no. 9 (2021): 288. http://dx.doi.org/10.3390/horticulturae7090288.

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Experiments were conducted in 2013 and 2014 to evaluate the effects of training system and leaf removal treatments on yield and quality for ‘Frontenac’, an interspecific hybrid wine grape, at a research vineyard located near Absaraka, North Dakota. The experiment was structured as a randomized complete block design with a split-plot arrangement including four training system treatments (Geneva Double Curtain (GDC), High Cordon (HC), Vertical Shoot Positioned (VSP), Four-Arm Kniffin (4AK)), and four-leaf removal timing treatments (bloom, post-bloom, veraison, and a control, no removal) with eig

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Azeem, Ahmad, and Wenxuan Mai. "Mathematical Modeling for Predicting Growth and Yield of Halophyte Hedysarum scoparium in Arid Regions under Variable Irrigation and Soil Amendment Conditions." Resources 13, no. 8 (2024): 110. http://dx.doi.org/10.3390/resources13080110.

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Growing degree days (GDDs) and leaf area index (LAI) greatly influence the growth and yield of many crops grown in arid regions. Therefore, variation in LAI due to GDD can provide a theoretical basis for predicting crop growth, water consumption, plant development, and yield in arid agriculture via the development of mathematical growth models. This study described the relationship between plant biomass production and variation in LAI due to GDD in arid regions under different types of irrigation (fresh water and saline water) and soils amended with different substances (manure+sandy soil, com

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Zhang, Jingjing, Maryam Alavi, Lindy Guo, et al. "A Hierarchical Model to Predict Time of Flowering of Kiwifruit Using Weather Data and Budbreak Dynamics." Plants 13, no. 16 (2024): 2231. http://dx.doi.org/10.3390/plants13162231.

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Accurate prediction of flowering times is essential for efficient orchard management for kiwifruit, facilitating timely pest and disease control and pollination interventions. In this study, we developed a predictive model for flowering time using weather data and observations of budbreak dynamics for the ‘Hayward’ and ‘Zesy002’ kiwifruit. We used historic data of untreated plants collected from 32 previous studies conducted between 2007 and 2022 and analyzed budbreak and flowering timing alongside cumulative heat sum (growing degree days, GDDs), chilling unit (CU) accumulation, and other envi

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Keramitsoglou, Iphigenia, Panagiotis Sismanidis, Olga Sykioti, et al. "SENSE-GDD: A Satellite-Derived Temperature Monitoring Service to Provide Growing Degree Days." Agriculture 13, no. 5 (2023): 1108. http://dx.doi.org/10.3390/agriculture13051108.

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A new satellite-enabled interoperable service has been developed to provide high spatiotemporal and continuous time series of Growing Degree Days (GDDs) at the field. The GDDs are calculated from MSG-SEVIRI data acquired by the EUMETCast station operated by IAASARS/NOA and downscaled on-the-fly to increase the initial coarse spatial resolution from the original 4–5 km to 1 km. The performance of the new service SENSE-GDD, in deriving reliable GDD timeseries at dates very close to key phenological stages, is assessed using in situ air temperature measurements from weather stations installed in

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Zhu, L. "A class of doubly resolvable GDDs from Baer subplanes." Journal of Statistical Planning and Inference 94, no. 2 (2001): 421–27. http://dx.doi.org/10.1016/s0378-3758(00)00272-x.

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Wang, J., and J. Yin. "Existence of holey 3-GDDs of type (u, gtw1)." Discrete Mathematics 202, no. 1-3 (1999): 249–69. http://dx.doi.org/10.1016/s0012-365x(98)00296-9.

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Wei, Hengjia, and Gennian Ge. "Some more 5-GDDs, 4-frames and 4-RGDDs." Discrete Mathematics 336 (December 2014): 7–21. http://dx.doi.org/10.1016/j.disc.2014.07.014.

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Ang, Bryan Chin Hou, Sheng Yang Lim, Bjorn Kaijun Betzler, Hon Jen Wong, Michael W. Stewart, and Syril Dorairaj. "Recent Advancements in Glaucoma Surgery—A Review." Bioengineering 10, no. 9 (2023): 1096. http://dx.doi.org/10.3390/bioengineering10091096.

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Surgery has long been an important treatment for limiting optic nerve damage and minimising visual loss in patients with glaucoma. Numerous improvements, modifications, and innovations in glaucoma surgery over recent decades have improved surgical safety, and have led to earlier and more frequent surgical intervention in glaucoma patients at risk of vision loss. This review summarises the latest advancements in trabeculectomy surgery, glaucoma drainage device (GDD) implantation, and minimally invasive glaucoma surgery (MIGS). A comprehensive search of MEDLINE, EMBASE, and CENTRAL databases, al

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Yin, Jianxing. "Existence of directed GDDs with block size five and index." Journal of Statistical Planning and Inference 86, no. 2 (2000): 619–27. http://dx.doi.org/10.1016/s0378-3758(99)00132-9.

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Wang, Kun, and Jianmin Wang. "Semicyclic 4-GDDs and related two-dimensional optical orthogonal codes." Designs, Codes and Cryptography 63, no. 3 (2011): 305–19. http://dx.doi.org/10.1007/s10623-011-9556-3.

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Chang, Yanxun, Fan Yang та Junling Zhou. "The existence spectrum for (3,λ)-GDDs of type gtu1". Discrete Mathematics 312, № 2 (2012): 341–50. http://dx.doi.org/10.1016/j.disc.2011.09.024.

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Chen, Guangzhou, Kejun Chen, and Yong Zhang. "Super-simple (5, 4)-GDDs of group type g u." Frontiers of Mathematics in China 9, no. 5 (2014): 1001–18. http://dx.doi.org/10.1007/s11464-014-0393-3.

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Ge, Gennian, and Alan C. H. Ling. "Some more 5-GDDs and optimal (v), 5, 1)-packings." Journal of Combinatorial Designs 12, no. 2 (2004): 132–41. http://dx.doi.org/10.1002/jcd.10062.

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Kakabouki, Ioanna, Antonios Mavroeidis, Alexandros Tataridas, et al. "Reintroducing Flax (Linum usitatissimum L.) to the Mediterranean Basin: The Importance of Nitrogen Fertilization." Plants 10, no. 9 (2021): 1758. http://dx.doi.org/10.3390/plants10091758.

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An increasing interest has been reported regarding the reintroduction of flax in the Mediterranean region. The aim of this present study was to evaluate the effects of nitrogen (N) fertilization on the performance of flax cv. Everest, under Mediterranean climate conditions. A two-year study was carried out in 2018–2019, in Western Greece. The experiment was set-up in a randomized complete block design with four replications and six treatments of different N fertilization rates (0, 20, 30, 40, 50, and 60 kg N ha−1). Measurements included plant biomass, the leaf area index (LAI), the yield, and

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Smith, Crystal N., and Donald L. Hagan. "Assessing the Relationship between Litter + Duff Consumption and Post-Fire Soil Temperature Regimes." Fire 3, no. 4 (2020): 64. http://dx.doi.org/10.3390/fire3040064.

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The immediate effects of wildland fire on soil have been well documented. However, we know much less about the longer-term effects and their implications for plants. Post-fire soil temperature regimes, for example, have received relatively little research attention, despite potential effects on plant phenology and establishment. Using portable temperature datalogger units (iButtons), we conducted an experimental study to assess how fire severity (measured in terms of litter and duff consumption) influences biologically relevant temperature parameters such as diel minimums, maximums, means, and

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Tefera, Zebene Girma, Dinesh G. Sarvate, and Samuel Asefa Fufa. "3-Group Divisible Designs with 3 Groups and Block Size 5." Journal of Mathematics 2023 (November 14, 2023): 1–8. http://dx.doi.org/10.1155/2023/1010091.

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A 3 -GDD ( n , 2 , k , λ 1 , λ 2 ) was defined by combining the definitions of a group divisible design and a t-design. In this paper, we extend the definitions to 3 groups and block size 5, and we denote such GDD by 3 -GDD ( n , 3 , 5 , μ 1 , μ 2 ). Some necessary conditions for the existence of these GDDs are developed, and several new constructions and specific instances of nonexistence are given.

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Kemble, J. M., J. Brown, and E. Simonne. "Influence of Various Polyethylene Mulch Colors on Growth and Development of `Vates' Collards." HortScience 32, no. 4 (1997): 600D—600. http://dx.doi.org/10.21273/hortsci.32.4.600d.

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The effect of various mulch colors (black, yellow, red, blue, white, and aluminum) on growth and development of `Vates' collards was evaluated in Fall 1996 at the E.V. Smith Research Center in Shorter, Ala. Black polyethylene mulch was installed onto raised, fumigated beds, then sprayed with a 1: 2 (v/v) mixture of exterior oil-based enamel paint to paint thinner with one of the five mulch colors listed. Five-week-old plants were transplanted into beds. Beginning two weeks after transplanting and continuing every other week thereafter, heads were harvested to determine head fresh weight and dr

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Matamala, María F., Richard M. Bastías, Ignacio Urra, Arturo Calderón-Orellana, Jorge Campos, and Karin Albornoz. "Rain Cover and Netting Materials Differentially Affect Fruit Yield and Quality Traits in Two Highbush Blueberry Cultivars via Changes in Sunlight and Temperature Conditions." Plants 12, no. 20 (2023): 3556. http://dx.doi.org/10.3390/plants12203556.

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The use of covers to protect blueberry orchards from adverse weather events has increased due to the variability in climate patterns, but the effects of rain covers and netting materials on yield and fruit quality have not been studied yet. This research evaluated the simultaneous effect of an LDPE plastic cover, a woven cover, and netting material on environmental components (UV light, PAR, NIR, and growing degree days (GDDs)), plant performance (light interception, leaf area index, LAI, yield, and flower development), and fruit quality traits (firmness, total soluble solids, and acidity) in

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Rathore, Shalika, and Rakesh Kumar. "Assessing Growth Performance and Agrometeorological Indices of Matricaria chamomilla L. Governed by Growing Season Length and Salicylic Acid in the Western Himalaya." Horticulturae 11, no. 5 (2025): 485. https://doi.org/10.3390/horticulturae11050485.

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German chamomile (Matricaria chamomilla L.) is a suitable medicinal and aromatic crop to cultivate in diverse regions, but its relationship with weather is a major concern in evaluating the development and crop production in the Western Himalayan region. Thus, a field experiment was executed for two years (2018–2019 and 2019–2020) at CSIR-Institute of Himalayan Bioresource Technology, Palampur, India, to evaluate the crop weather relationship studies and different phenological phases of German chamomile under acidic soil conditions of mid hills of Western Himalaya. Agrometeorological indices w

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Abramovich, A., N. S. Kopeika, and D. Rozban. "THz Polarization Effects on Detection Responsivity of Glow Discharge Detectors (GDDs)." IEEE Sensors Journal 9, no. 10 (2009): 1181–84. http://dx.doi.org/10.1109/jsen.2009.2027415.

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Mekdad, Ali A. A., Moamen M. Abou El-Enin, Mostafa M. Rady, Fahmy A. S. Hassan, Esmat F. Ali, and Ahmed Shaaban. "Impact of Level of Nitrogen Fertilization and Critical Period for Weed Control in Peanut (Arachis hypogaea L.)." Agronomy 11, no. 5 (2021): 909. http://dx.doi.org/10.3390/agronomy11050909.

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To avoid competing with economical plants, weed control must be implemented with a clean and appropriate strategy. Since the efficiency of leguminous crops in biological fixation of the atmospheric N2 is severely affected when grown under stressful conditions (the soil tested in this study was salt-affected; ECe = 8.99 dS m−1), an appropriate level of N fertilization should also be applied. Two field trials were performed in the 2018 and 2019 seasons to investigate the influences of soil-applied nitrogen (N) levels [48 (N1), 96 (N2), and 144 kg N ha−1 (N3)] and critical timing of weed removal

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Waterer, Doug. "Yields and Economics of High Tunnels for Production of Warm-season Vegetable Crops." HortTechnology 13, no. 2 (2003): 339–43. http://dx.doi.org/10.21273/horttech.13.2.0339.

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Crop development rates, yields and production economics for muskmelon (Cucumis melo), pepper (Capsicum annuum) and tomato (Lycopersicon lycopersicum) grown in high tunnels [4.3 m wid × 2.5 m high × 29 m long (14 × 8 × 96 ft)] were compared to standard low tunnels over several cropping seasons in a temperate production area. The polyethylene-covered high tunnels protect several rows of crop for the duration of the cropping season. Air temperatures in the high tunnels were controlled by raising the sides of the tunnel. Low tunnels cover only a single row and must be removed soon after the crop i

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Glazebrook, Karl. "Probing the Redshift Desert Using the Gemini Deep Deep Survey: Observing Galaxy Mass Assembly at z > 1." Symposium - International Astronomical Union 216 (2005): 390–97. http://dx.doi.org/10.1017/s0074180900196822.

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The aim of the Gemini Deep Deep Survey is to push spectroscopic studies of complete galaxy samples (both red and blue objects) significantly beyond z = 1; this is the redshift where the current Hubble sequence of ellipticals and spirals is already extant. In the Universe at z = 2 the only currently spectroscopically confirmed galaxies are blue, star-forming and of fragmented morphology. Exploring this transition means filling the ‘redshift desert’ 1 < z < 2 where there is a dearth of spectroscopic measurements. To do this we need to secure redshifts of the oldest, reddest galaxies (candi

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