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 80 for “"Agricultural Crops"”.
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Air pollution impacts to agricultural crops
… is no knowledge of air pollution effects on agricultural crops in the Peshawar region of Pakistan. The aim of this study was to assess the impact of ozone (O3) and hydrogen fluoride (HF) on agricultural crops in Peshawar through a combination of field work and experiments. The mean monthly O3 …
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Soil microbial community dynamics associated with agricultural crops
… and manage the interactions that occur between agricultural crops and microbial communities that reside in the soil. Soil microbes regulate the decomposition of organic matter, the cycling of nutrients to crops and can induce systemic resistance. They also drive global biogeochemical cycles that …
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Polarimetric SAR for the monitoring of agricultural crops
The monitoring of agricultural crops is a matter of great importance. Remote sensing has been unanimously recognized as one of the most important techniques for agricultural crops monitoring. Within the framework of active remote sensing, the capabilities of the Synthetic Aperture Radar (SAR) to …
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Utilization, preference and nutritional value of winter-green agricultural crops for goose food
… best winter-green crop for geese of the sight crops studied. Italian rye grass appears, however, to have very good possibilities because of its good production of forage, its utilization and apparent high preference by geese coupled with a low preference by deer. It is also a relatively …
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Preliminary investigation of the natural contamination of agricultural crops with selected mycotoxins in northern rural South Africa (Limpopo and Mpumalanga Provinces)
… compounds which frequently contaminate agricultural produce worldwide. They are hazardous to humans and animals and result in significant production losses for farmers. This study focused on former Bantustans in Northern South Africa, namely Vhembe District Municipality (Limpopo) and …
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The viability and public perception of the introduction of bio-hydrogen technology to Wales with specific reference to anaerobic dark fermentation of agricultural crops
… the quantification of biohydrogen potential from crops available in the UK and undertaken as part of the UK SHEC work package. This is the first time this has been calculated and this work was done in order to determine whether it is energetically feasible if performed at …
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Species composition and larval instar population structure of Scarabaeids in forestry in the Natal Midlands
… considered ! as grubs of economic importance to agricultural crops. Expansion of forestry into previous croplands has resulted in some pests of previous agricultural crops becoming important in forestry. Field trials planted over three seasons, determined the mortality factors influencing the …
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Isolating Antigenotoxic Components and Antioxidants From Commercial Corn Processing by -Products
… Such research may lead to a future where agricultural crops would be raised for both their pharmaceutical and agronomic value. Opening a new niche in the market will result in increased crop value to producers as well as greater efficiency of corn commercial processing.
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Outside the Coffee Belt: A Study on the Suitability and Sustainability of Coffee Plants in California Due to Climate Change Using GIS
… that is suitable for growing a variety of agricultural crops. As stated by the California Department of Food and Agriculture, California’s agricultural abundance includes more than 400 commodities, and of these, over a third of the vegetables and three-quarters of the fruits and nuts …
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Truffle crops and soil drugs : new fungal practices and epistemologies for the 21st century
… microbes have been commodified to "fertilize" agricultural crops (and are now referred to as biofertilizers, biostimulants, or simply "soil drugs"). This dissertation examines both truffle crops and soil drugs to investigate how a beneficial relationship between plant roots and fungi has become …
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Elucidating Influence of Temperature and Environmental Stress on Turfgrass Response to Mesotrione and Evaluation of Potential Synergistic Admixtures to Improve Mesotrione Efficacy
… requires repeat treatments. Previous research in agricultural crops indicates tank mixtures with mesotrione may improve weed control. Three field trials were conducted in 2005 and 2006 in Blacksburg, VA on smooth crabgrass in perennial ryegrass and tall fescue. Data indicate mesotrione applied in …
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Design development and implementation of agriculture online service system
… system developed is a one-stop shop that sells agricultural products online and provides agricultural information to customers. It provides specific and up to date information on agricultural crops. There are links to various agricultural sites. The System consists of a number of Active Server …
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A study of plant color in crested wheatgrass, Agrophron cristatum (L.) Gaertn
Chlorophyll mutants have been noted in many agricultural crops and have proved useful in inheritance studies. There have been few inheritance studies in the wheatgrasses, partly because of a lack of distinctive characters. The presence of grey-green and bright-green spike colors in diploid crested …
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Farm forestry decision-making strategies of the Guraghe Households, Southern-Central Highlands of Ethiopia
… low farm gate prices, high competition with food crops for soil nutrients and moisture, and shortage of land and labor. The household uses and cash values of coffee are generally, undermined by high incidence of berry disease and lack of manure. Financial benefits of t?chat are weakened by high …
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Studies of the toxicity and phytotoxicity of two soil applied granulated systemic insecticides
Control of aphids on agricultural crops can be obtained by various cultural practices, but insecticides figure prominently in most programmes aimed at obtaining economic control of aphid species which are persistent virus vectors. A recent advance in insecticide formulations has been the …
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Diet of three mormoopid bats (<i>mormoops blainvillei</i>, <i>pteronotus quadridens</i>, and <i>pteronotus portoricensis</i> ) on Puerto Rico
… and nine of these species were either pests of agricultural crops or vectors of human disease.</p>
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Plant secondary metabolites enhance survival and pathogen tolerance in the European honey bee: a structure-function study
… metabolites found in the nectar of common agricultural crops elicit comparable effects on honey bee survival and pathogen tolerance. The addition of plant secondary metabolites to artificial nectar solution enhanced median survival, in some cases more than doubling the lifespan of worker …
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Spectral Properties of Sugar Beet Canopy Related to Sugar Content and Quality of Beet Roots
… provide quantitative and timely information on agricultural crops over large areas. In agricultural planning and policy making knowledge of crop yield is very important. However, for sugar beets, sugar content and other beet properties also directly affect economic benefits. This research …
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Technology assessment of biomass ethanol : a multi-objective, life cycle approach under uncertainty
… assessing the current and future utilization of agricultural crops as feedstocks for the production of transportation fuels, specifically, the use of corn grain and stover for ethanol production. The generic methodology integrates chemical process design and decision analysis tools. Four primary …
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