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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 “"organic production"”.
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Risks and benefits to New Zealand agriculture of increasing organic production
… This is through specialising in high value production and the example this study uses is organics. The organic sector is growing both domestically and internationally and has potential to raise New Zealand producer returns. The thesis addresses a major issue to producers who may want to …
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Ecology and management of wireworms (Coleoptera: Elateridae) in conventional and organic production systems
… Limonius californicus and L. infuscatus in organic vegetable farms. The results showed the higher efficacy of commercial EPN, Steinernema feltiae, against Limonius species than entomopathogenic fungi. In Chapter 3, we focused on cultural control as a component of integrated pest management …
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Integration of High Residue/No-till and Farmscaping Systems in Organic Production of Broccoli
… cover cropping enhances marketable yields in organic production of vegetables, linked to the improvement of soil quality and weed control. Although, during transition from chemical to organic cover-cropping production, especially with no-till systems, reduction of nitrogen availability to the …
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Nematode Community Structure and Indicators of Biologically-Based Fertility: Influence of Management During Transition to Certified Organic Production
… in systems transitioning from conventional to organic production. The goal was to improve soil assessment and ultimately performance of organic production systems. Soil samples were collected from a trial with three transition pathways (pasture, row crop, and intensive vegetable production). …
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Sedimentary Characteristics of an Estuarine Marsh System and the Roles of Storm Overwash, Micro-tidal Currents, and Organic Production: Big Branch Marsh, Louisiana
… bottoms, and marsh surfaces were analyzed for organic content and particle-size distribution. Parameters of sub-environment groups were compared to find differences representing changes in relative transport energy and depositional processes. Whereas some results adhered to the model of fining …
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Encouraging Organic Agriculture: The Effects of Conversion Subsidies
… subsidies in accounting for an increase in organic acreage in the 12 North-Central States in the United States. Monthly time series data that spans from January 2002 to December 2014 was used in the analysis. Empirical evidence suggests that increase in organic acreage is due in part to the …
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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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Understanding Organic Prices: An Analysis of Organic Price Risk and Premiums
Organic food products are produced without synthetic chemicals, including herbicides, pesticides, and fertilizers. Food grown in organic systems that are certified organic by the United States Department of Agriculture command a price premium, whether it is direct to consumer via farmers markets or …
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Economic Impact Analysis of Mixed-Species Green Manure on Organic Tomato: Evidence from the Northeastern United States
… preferences of consumers towards healthier food, organic food demand has been on the rise for the past two decades. This increased demand has created an opportunity for farmers to shift from conventional to organic production. However, there are risks and uncertainties associated with organic …
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Avaliação do comportamento de chalotas (Allium ascalonicum) sob aplicação de biofertilizante.
… ascalonicum) (onion white and brown) under organic production. The experiment was conducted on the Site Pitiá, Areia - PB. The design was randomized blocks with 4 treatments of 2 Shallots in the presence and absence of biofertilizer with 4 repetitions. The cultivation period was from …
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SHIFTING LEGITIMATING ACCOUNTS IN A CHANGING INSTITUTIONAL FIELD: AN ANALYSIS OF THE ORGANIC FOOD INDUSTRY, 1990-2011
<p>In this study, we argue the organic industry's move towards a more legal definition of organic production indicated a shift in the legitimating criteria in the organic agriculture institutional field, which can be observed through the analysis of the legitimating accounts of various actors. …
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Soil quality in organic cropping systems
… soil quality indicator levels under contrasting organic practices and to provide scientific information that can lead to development of best management practices for organic no-till and transitioning to organic production. Four studies examining crop yield, soil quality and weed control were …
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CENÁRIO DA AGRICULTURA ORGÂNICA NO SEMIARIDO BRASILEIRO
Organic agriculture has gained prominence, both because it is a practice that does not harm the environment and because it provides foods with higher nutritional values. However, there are still major challenges for organic production, especially in semi-arid regions, where information does not …
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BEYOND ORGANIC: DEFINING ALTERNATIVES TO USDA CERTIFIED ORGANIC
Since the inception of the National Organic Program (NOP) housed within the United States Department of Agriculture (USDA), the substantial growth of the organic food market has garnered both enthusiasm and criticism. While large farm operations and food companies boast a significant reduction in …
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BEYOND ORGANIC: DEFINING ALTERNATIVES TO USDA CERTIFIED ORGANIC
Since the inception of the National Organic Program (NOP) housed within the United States Department of Agriculture (USDA), the substantial growth of the organic food market has garnered both enthusiasm and criticism. While large farm operations and food companies boast a significant reduction in …
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The Effects of Agricultural Waste-Based Compost Amendments in Organic Pest Management
… perennial crops. Current management options for organic production are limited and sustainable management of pathogens, weeds, and arthropods is important for staying profitable and reducing the use of harmful chemicals. Organic soil amendments play an important role in supplying some of the …
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Weed management practice selection among Midwest U.S. organic growers
… Restriction of synthetic herbicide use in organic agricultural systems increases the complexity of weed management, leading organic farmers to cite weed management as the greatest barrier to organic production. Integrated Weed Management (IWM) systems have been developed to address the …
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Hemmed in: The geography of organic fairtrade cotton in Burkina Faso
… across the sector. By contrast, the Helvetas organic cotton program in many cases improves rural livelihoods through higher incomes, provides more equal opportunity (especially for women), and follows sustainable farming practices. However, only a small number of farmers have been able to …
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Compost Tea and Milk to Suppress Powdery Mildew (Podosphaera xanthii) on Pumpkins and Evaluation of Horticultural Pots Made from Recyclable Fibers Under Field Conditions
… approach for control using methods approved for organic production are sprays based on teas made from compost, both actively aerated (ACT) and non-aerated (NCT) compost teas, and sprays made from diluted milk. We evaluated these sprays for control of powdery mildew on pumpkins in field trials in …
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