Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 36 for “"Harvest Time"”.
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Evaluating Economic Impacts of Switchgrass Harvest Time
… Crop Analysis & Planning (ENCAP) and Switchgrass Harvest Date, Yield, Nutrient Removal Estimator (SHYNE). The second chapter examines harvest date implications on yield, nutrient removal, opportunity cost of modified sale dates, and post-harvest storage losses. This harvest date analysis leads to …
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Harvest-Time Optimal Path Planning in Dynamic Flows
… autonomous vehicles that optimally collect/harvest external fields from highly dynamic environments has grown in relevance. Autonomously maximizing the harvest in minimum time is our present path planning objective. Such optimization has numerous impactful applications. For instance, in the …
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Green soybeans: Physical and rheological properties, optimization of harvest time, and mechanical harvesting and shelling
"Physical and rheological properties of green soybeans were measured at different stages of seed development. These properties included texture, color, size, and seed strength. Mathematical models were developed relating each property to seed development. The models were then combined to develop an …
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Effect of Harvest Time on the Incidence of Red Drupelet Reversion and Development of Tetraploid Linkage Maps in Blackberry
… of a fully black berry begin to turn red after harvest. A two-year study was done at the UA System to discover if harvesting at different times of day and/or harvesting genotypes with different levels of firmness might influence the incidence of RDR in blackberries after one week of cold storage …
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Bioactive compounds in leek (Allium ampeloprasum var. porrum): analysis as a function of the genetic diversity, harvest time and processing techniques
… a range of leek cultivars and as a function of harvest time. On the other hand, the behaviour of these compounds was investigated during different processing/stabilisation techniques. Although leek is a popular vegetable in many European countries, the limited scientific knowledge concerning its …
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The Relationship Between Mineral Nutrition and Late-Season Bunch Stem Necrosis of Cabernet Sauvignon (Vitis vinifera L.) Grapevines
… and calcium produced little change in bloom-time petiole mineral concentration. Fertilizer treatments appeared to have no effect on BSN incidence, but the incidence of BSN was less than or equal 1% in the control plots each year. During the 1996 season at Winchester vineyard, bloom-time leaf …
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Productivity, physiology, community dynamics, and ecological impacts of a grassland agro-ecosystem: integrating field studies and ecosystem modeling
… first part of my research addresses the optimal harvesting time of prairie biomass to achieve the maximum yield within one production cycle. Due to the biomass quantity-quality trade-off, the balance among yield, biomass quality, and impacts on environment needs to be carefully considered when …
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Chemical Compositions of Edamame Beans and Valorization of Edamame Shells
… in the U.S. Genotype, planting location, and harvest time play essential roles in the chemical composition of edamame, which further decide edamame's nutritional value and sensory characteristics. Therefore, the first goal of this study is to comprehensively evaluate the chemical composition …
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Industrial hemp agronomic management for grain, fiber, and forage
… of tillage on seed and fiber production, optimal harvest time for seed yield and quality, the response of seed yield to nitrogen fertility rates, and the potential of hemp as a forage crop. A three-year study was conducted in Blacksburg and Orange of Virginia State to assess the effects of tillage …
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Characterization of starch accumulation in storage root of Marama (Tylosema Esculentum)
… of this study was to determine the most suitable time for harvesting by evaluating the quality of marama root and its starch at the different harvest times. Effects of harvesting time on the proximate analysis of the marama roots as well as the thermal properties, size and physicochemical …
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Application of Machine Learning and Hyperspectral Imaging in Plant Phenomics Research
… in edamame for many plant populations in short time using less labor and resources. Using genome-wide association study, we identified several genetic markers that were associated with those traits. These markers can be used in marker-assisted selection to develop the edamame varieties that are …
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Risk and Return Comparisons of Pre-harvest Marketing Strategies
… analyzes risk and returns associated with pre-harvest corn grain marketing strategies for the state of Arkansas. Farming is characterized by a volatile environment. Numerous risks are taken by producers in order to provide commodities that are bought and sold by various parties in the supply …
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Towards Autonomous Cotton Yield Monitoring
… of experimental cotton plot field taken at harvest time in 2014. These plots were treated with nitrogen fertilizer at five different rates to insure variations in cotton yield across the field. The cotton yield estimates were based on the cotton unit coverage (CUC) observed as the cotton …
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Quantifying bird damage to wine grapes in the Western Cape of South Africa : a questionnaire-based approach
… was reported to occur mostly one month before harvest and at harvest time. This research provides a baseline for understanding the nature of bird damage in these regions and will aid future quantitative studies aimed at the management of the problem.
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Population studies of the potato leafhopper, Empoasca fabae (Harris), on alfalfa, Medicago sativa L.
… were used to study the effect of alfalfa harvest on egg and nymphal abundance. Mortality was high after harvest, and harvest time was important in reducing potato leafhopper abundance. Clean harvest practices were also important in reducing egg and nymphal survival, and in reducing …
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Fodder legumes for Green Biorefineries
… quantity depending on the crop, study site and harvest time. The fresh biomass was fractionated with a screw press and the composition of press juices and cakes was analysed. Fermentation experiments took place to determine the usability of press juices for lactic acid production. The harvest …
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Meta-analysis of how management practices and environmental factors affect biomass production and N2O emissions in miscanthus ×giganteus systems
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2024-09-16 without embargo terms
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The Risk Of Pythium Aphanidermatum In Hydroponic Baby-Leaf Spinach Production
… will often show signs of Pythium damage at harvest time. Previous studies have identified nutrient solution temperature as a key factor in determining the growth and development of Pythium. The goal of this study was to estimate the risk of Pythium outbreaks under different hydroponic …
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Combining ability, protein, heterosis, and prediction of F₁ performance with RFLPs in a diallel of maize
… protein content, grain yield, grain moisture at harvest, time to silk, kernel hardness, and density. General combining ability (GCA) and specific combining ability (SCA) effects were highly significant for all traits indicating presence of both additive and non-additive effects, respectively. …
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Effect of Harvest date on seed quality and potential longevity of two Soyabeans(Glycine max(L.)Merr) Varieties
… and potential to be stored for long periods. Time of harvest of soyabean seed has been identified as the main factor affecting quality and potential for long term storage. However, there exists no clear recommendation for time of harvest that ensures that these two attributes are achieved. …
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