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Nutrient management of blackberry cultivars grown in organic production systems

Creator:: Fernandez-Salvador, Javier A.
Abstract:: The impact of fertilizer source and cultivar on growth, fruit quality, and yield was evaluated in organic blackberry (Rubus L. subgenus Rubus Watson) from 2011-2013 in three studies. In all studies, plants were drip irrigated, and weeds were managed using a woven polypropylene, permeable landscape fabric (weed mat). At a...
Resource Type:: Masters Thesis
Full Text:: successfully established and maintained using the organic sources of fertilizer studied. Supplemental

The fertilizer value of shrimp and crab processing wastes

Creator:: Costa, Robert Edward
Abstract:: The Federal Water Pollution Control Act Amendments of 1972 prohibits the discharge of seafood processing solid wastes into navigable waters after July 1, 1977. Oregon shrimp and crab processors must use other methods of disposal for the 15 to 30 million pounds of solid waste generated annually. The application of...
Resource Type:: Masters Thesis
Full Text:: nitrogen application rate on forage yield with shrimp waste, crab waste, and in- organic fertilizer - lime

Nitrogen dynamics in western Oregon perennial grass pastures fertilized with dairy manure

Creator:: Baumeister, Nancy C.
Resource Type:: Masters Thesis
Full Text:: source of N fertilizer. Recent trends in the dairy industry toward larger herd sizes, and increases

Nile tilapia (Oreochromis niloticus) production in tropical microcosms fertilized with rabbit excreta

Creator:: Franco, Luis
Abstract:: This investigation explored the use of microcosms as a tool for studying the dynamics of tropical aquaculture ponds. The potential use of rabbit excreta as a pond fertilizer in integrated farming systems was also investigated. Twelve insulated fiber glass tanks were utilized as microcosms to simulate earthen ponds. Seven hand-sexed...
Resource Type:: Masters Thesis
Full Text:: Venkataraman, 1988) and rabbit manure for use as organic fertilizer in fish ponds and as raw matter for

Improving nitrogen management with cover crops in organic broccoli production

Creator:: Garrett, Amy
Abstract:: Legume cover crops can serve as important sources of nitrogen (N) in sustainable agriculture and can be economically beneficial when fertilizer inputs are reduced without a yield reduction. Synchronizing N mineralization from organic materials with the needs of the subsequent crop is a challenge for organic growers. Predicting plant available...
Resource Type:: Masters Thesis
Full Text:: organic fertilizer materials and the multiple factors that affect N availability for cash crops

Weed, water, and nutrient management practices for organic blackberry during establishment

Creator:: Harkins, Renee H.
Abstract:: The study was conducted in an organic trailing blackberry (Rubus L. subgenus Rubus, Watson) planting established at the North Willamette Research and Extension Center in Aurora, OR on 26 May 2010. Three weed management systems were compared for 'Marion' and 'Black Diamond': 1) non-weeded; 2) hand-hoed two to three times...
Resource Type:: Masters Thesis
Full Text:: , thus presenting management challenges depending on the particular organic fertilizer chosen (Gaskell

Effect of planting method, weed management, and fertilizer on plant growth and yield of newly established organic highbush blueberries

Creator:: Larco, Handell O.
Abstract:: A 0.4 ha planting of blueberry (Vaccinium corymbosum L.) was established in Oct. 2006 to evaluate the effects of cultivar (Duke and Liberty), planting method (flat versus raised beds), weed management (sawdust mulch and hand-weed control; compost plus sawdust mulch with acetic acid, flaming, and hand-weeding used as needed; and...
Resource Type:: Masters Thesis
Full Text:: Management, and Fertilizer on Plant Growth and Yield of Newly Established Organic Highbush Blueberries

Estimating the dry matter production, nitrogen requirements, and yield of organic farm-grown potatoes

Creator:: McQueen, John Paul Gainer
Abstract:: As part of a participatory research project, where farmers and Oregon State University researchers collaborated, aspects of potato (Solanum tuberosum L.) growing systems were studied. It was determined through conversations with the farmers that quantification of certain growth parameters of potato was lacking, including dry matter accumulation, crop nitrogen (N)...
Resource Type:: Masters Thesis
Full Text:: participating farms as a group. A concern for the small organic farm is the need to make fertilizer

Effect of organic production system and harvest date on the quality of blackberry fruit for fresh and processed markets

Creator:: Liu, Mingyang
Abstract:: Blackberry (Rubus sp.) fruit are a good source of phenolic compounds and anthocyanins, and are consumed in fresh and processed forms. Though organic products become more popular, limited information is available about how different organic production methods affect the post-harvest quality of blackberry fruit. The objective of this project was...
Resource Type:: Masters Thesis
Full Text:: important factors affecting organic production. Nitrogen fertilizer provides the necessary N nutrient for

ScholarsArchive@OSU

Nutrient management of blackberry cultivars grown in organic production systems

The fertilizer value of shrimp and crab processing wastes

Nitrogen dynamics in western Oregon perennial grass pastures fertilized with dairy manure

Nile tilapia (Oreochromis niloticus) production in tropical microcosms fertilized with rabbit excreta

Improving nitrogen management with cover crops in organic broccoli production

Weed, water, and nutrient management practices for organic blackberry during establishment

Effect of planting method, weed management, and fertilizer on plant growth and yield of newly established organic highbush blueberries

Estimating the dry matter production, nitrogen requirements, and yield of organic farm-grown potatoes

Effect of organic production system and harvest date on the quality of blackberry fruit for fresh and processed markets

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