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 34 for “"tomato production"”.
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No-Till Tomato Production
… weeds and prepare a seedbed. No-till vegetable production can ameliorate the ill-effects of tillage in an economically effective way but has not been studied much in California. The objective of this thesis was to determine the viability of no-till vegetable cropping on the Central Coast of …
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Reducing copper and chlorothalonil in staked tomato production on Virginia's Eastern Shore
Virginia ranks third in fresh market staked tomato (Lycopersicon esculentum Mill.) production with approximately 1,659 hectares on the Eastern Shore. Estimated annual gross value is $30,800,000. Copper and chlorothalonil have long been considered essential to control bacterial and fungal diseases …
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Talajtakarási módszerek összehasonlító értékelése paradicsomtermesztésben = Comparative evaluation of mulching methods in tomato production
A vizsgálat célja palántázott paradicsomtermesztésben használható talajtakarási módszer kiválasztása, ami egyszerre szolgálja a gyomszabályozás és az egészséges, piacképes termék előállításának igényeit is. A megfelelő eljárás meghatározásához különböző kezelési, talajtakarási módszereket kell …
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Exploring a Novel Source of Resistance to Septoria Leaf Spot for Organic Tomato Production.
North Carolina State University Theses Horticulture.
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Land Use Impacts of Plastic Mulch Tomato Production and Evaluation of Sorbent Control on Shellfish Hatchery Operations
During the 1990s, shellfish hatcheries operating on the Eastern Shore of Virginia noticed an increase in mortalities of their clam larvae; it was suspected that this was a result of the deteriorating quality of the estuarine water used by aquaculture hatcheries. Many hatcheries obtain their …
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The appropriated carrying capacity of tomato production : comparing the ecological footprints of hydroponic greenhouse and mechanized field operations
… by these operations to produce 1000 tonnes of tomatoes. These figures are then translated into corresponding land areas (in various categories) necessary to produce the required biophysical inputs. In contrast to common belief, hydroponic operations require 14 – 21 times more land than …
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Effect of Kaolin clay, Planting Dates, and Color Mulches on Summer Tomato Production in the Eastern Shore of Virginia
… strategies to safeguard the productivity of tomato plants (Solanum Lycopersicon L.). This research delves into the tools and techniques aimed at enhancing the cultivation of summer tomatoes in the coastal region of Virginia. The study explores the optimization of transplant dates, the …
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Spatial and Gender Dimensions of IPM Adoption in Uganda
This research on gender and tomato production in rural sub-county of Busukuma in Uganda explores the roles that distance and mobility play in adoption of environmentally friendly crop protection practices. Uganda's National Agricultural Research Organization (NARO) prioritized blight and bacterial …
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Adoption Determinants and Impacts of Tuta absoluta Integrated Pest Management for Nepali Tomato Farmers
… moth family, causes devastating yield loss to tomato farmers around the world. Its recent migration into the tomato fields of Nepal puts tomato farmers at a high risk of yield loss. In response, chemical pesticide use by Nepali farmers is increasing. Integrated pest management (IPM) practices …
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Integrated Approach to Understanding Tomato Sour Rot and Improving Disease Management on the Eastern Shore of Virginia
Sour rot of tomatoes, caused by Geotrichum candidum, occurs in the field and postharvest settings regularly, although postharvest losses are severe only in some years on the Eastern Shore of Virginia (ESV) and other tomato production regions. Fungicide products and cultural control methods are …
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Using Arbuscular Mycorrhizae to Influence Yield, Available Soil Nutrients and Soil Quality in Conventional VS. Organic Vegetable Production
… on the effects of endomycorrhizae on vegetable production using conventional vs. organic practices. Objective of this study was initiated to determine if mycorrhizae improve yield, available soil nutrients and soil quality from two different fertilizer sources. Measurements were taken on yield, …
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Enhancement of cold tolerance and growth of tomato plants using endophytic bacteria isolated from cold-adapted plants
… a key abiotic factor that adversely impacts crop production. Climate change is responsible for warm winter periods that allow crop production under partial protection, such as commercial greenhouses and tunnels used for tomato production in Sicily. However, temperature conditions are not constant …
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Vulnerability of horticulture producers to climate variability and change : the case of Chókwe District, Mozambique
… and income. For example, in the Chókwe district, tomato production plays a key role in farmers' livelihood; however, this district is prone to weather variability and climate stresses, affecting the region's agricultural performance and making farmers' livelihood even more precarious. There is …
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Gender and Pest Management in Ghana: Implications for the Introduction of an IPM Program for Tomato
… an Integrated Pest Management (IPM) program for tomato crops based on a case study of tomato farmers in the town of Tuobodom in the Brong Ahafo region of Ghana. The study seeks to identify the knowledge, practices, perceptions, and access to resources of men and women tomato farmers in Tuobodom, …
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Light-emitting diodes as an alternative supplemental lighting source for greenhouse tomato propagation and production
<p>Intensive year-round local production of greenhouse-grown tomatoes (<em>Solanum lycopersicum</em> L.) requires the use of supplemental lighting (SL) to complement solar radiation in light-limited seasonal climates. However, SL represents a large expense to greenhouse-vegetable production. …
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Effects of Organic and Conventional Agricultural Practices on Soil Microbial Communities and Molecular Detection of Soil Borne Disease
… pathogenic DNA in soil. A comparative study of tomato production systems was conducted by analysis of soil microbial community structure from four farms in Southeast Georgia for the years 2012 and 2013, and incidence level of disease and plant growth of tomato plants grown in greenhouse soil …
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Identification of new functional resistance genes against <i>P. infestans </i>in <i>Solanaceae</i> species
… a serious and continuing threat to potato and tomato production worldwide. In this thesis, I have developed a new NB-LRRs probe library accounting for the recent improved annotations of both potato and tomato (Jupe et al., 2013 and Andolfo et al., 2014). The probe library was successfully used …
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Greenhouse Tomatoes: Process Simulation
… interest is the use of greenhouses for food production. Greenhouses create a stable and adaptable environment for crops such as tomatoes to grow year-round. Fresh tomatoes are the second most consumed vegetable per capita in U.S. diets, currently averaging 20.7 pounds. The growing consumption …
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Economic Impact Analysis of Mixed-Species Green Manure on Organic Tomato: Evidence from the Northeastern United States
… farmers to shift from conventional to organic production. However, there are risks and uncertainties associated with organic farming. The management of an organic farm in the absence of organic-based disease and pest suppressing strategies constrains farmers from adopting organic vegetable …
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