Agriculture Commons^™

Give Trees A Chance, Dennis Hinkamp

All Current Publications

No abstract provided.

Morning Glory Is Gory, Dennis Hinkamp

All Current Publications

No abstract provided.

Put Me In Cloche, I'M Ready To Grow, Dennis Hinkamp

All Current Publications

No abstract provided.

Woad Rage, Dennis Hinkamp

All Current Publications

No abstract provided.

Codling Moths Create New Protein-Enriched, Aerated Apples, Dennis Hinkamp

All Current Publications

No abstract provided.

Fending Off Aphids, Dennis Hinkamp

All Current Publications

No abstract provided.

Intermountain Planting Guide, Kevin Jensen, Howard Horton, Ron Reed, Ralph Whitesides

All Current Publications

The first consideration prior to seeding is to determine the present level of management being applied to the proposed site. Many sites will recover or improve without seeding if proper management is implemented. Soil is the primary natural resource and its conservation is the most important consideration in seedings.

Non–Water–Stressed Baseline As A Tool For Dynamic Control Of A Misting System For Propagation Of Poinsettias, Sérgio Zolnier, Richard S. Gates, Robert G. Anderson, Sue E. Nokes, George A. Duncan

Biosystems and Agricultural Engineering Faculty Publications

A technique is presented for dynamically adjusting misting intervals during propagation of vegetative cuttings. A crop setpoint temperature for activation of misting was defined by a "non-water-stressed baseline" concept, using infrared thermometry to acquire canopy temperature for plant feedback. The critical crop setpoint temperature was calculated from instantaneous values of air temperature, incident radiation, and air vapor pressure deficit (VPD_air). Misting was activated when the actual crop temperature exceeded the critical crop setpoint temperature. The dynamic control was shown to have the potential to reduce the amount of applied water from 9 to 12 times during low levels …

Arthropod Populations And Rice Yields In Direct-Seeded And Transplanted Lowland Rice In West Africa, I. O. Oyediran, E. A. Heinrichs

Department of Entomology: Faculty Publications

Two methods for planting rice in irrigated lowland were evaluated during the wet seasons of 1994 and 1995 to determine their effect on rice arthropod numbers, insect-caused rice plant damage, and rice grain yield. The six treatments tested were: hand transplanting of seedlings at spacings of 14 cm × 14 cm, 20 cm × 20 cm, and 30 cm × 30 cm; and direct-seeding of rice at 60 kg seeds ha^–1, 90 kg seeds ha^–1, and 120 kg seeds ha^–1. The most abundant arthropods in the study were the diopsid flies, Diopsis longicornis Maquart …

Food, Nutrition, And Health Education With Educational Lessons In The Cuambo Community School, Ibarra Canton, Imbabura Province, Fanny Margoth Victoria Recalde

Theses and Dissertations

The general objective of this study was that of giving food, health, and nutrition education via educational lessons based on a diagnostic of teachers' and children's knowledge at the Cuambo school. The study is descriptive and transverse and lasted from October 2000 through June 2001. The study included 100% of the attending children and teachers of the Cumabo community school, being 42 in number. Variables were: topics on eating, nutrition, and health that complete the plan of basic studies, along with training of students and teachers. Since the project was eminently educational, it implied carrying out the respective educational lessons …

Trade Flows And Marketing Practices Of Louisiana And Gulf States Nurseries, Wade R. Hampton

LSU Master's Theses

The markets facing nursery producers have changed dramatically in the past decade. These changes in nursery markets have outdated previous research. New research into nursery marketing will assist nursery producers in making marketing decisions. Nursery producers can market their plants to five different marketing channels: Mass-merchandisers, garden centers, other retailers, landscapers and re-wholesalers. This study described the 1998 Louisiana nursery industry, analyzed nursery market changes over the past decade in Louisiana and the Southeast and analyzed characteristics of Louisiana and Southeastern nurseries to estimate marketing channel choice. Data was collected via mail using the third Trade Flows and Marketing Practices …

Before And After Riparian Management: Sediment And Nutrient Exports From A Small Agricultural Catchment, Western Australia, Lucy Mckergow, David Weaver, I Prosser, R Grayson, A. E.G. Reed

Conference papers and presentations

Riparian vegetation can trap sediment and nutrients coming from hillslopes and reduce stream bank erosion. This study presents results from a 10 year stream monitoring program in a small agricultural catchment near Albany, Western Australia. In 1996, a 1.6 km stream reach was fenced, planted with eucalyptus species and managed separately from the adjacent paddocks. Stream flow, nutrient and sediment concentration data were collected at the downstream end of the fenced riparian area between 1991 and 2000, so there are data for the “before” and “after” riparian management periods. Suspended sediment concentrations fell dramatically following riparian management; the average event …

Relationships Between Stream Order And Management Priority: A Water Quality Case Study, David Weaver, Adrian Reed, John Grant

Conference papers and presentations

Seagrass, which once dominated the habitat of Oyster Harbour on the south coast of Western Australia has been replaced by macroalgae because of increased nutrient and sediment discharge from the rural dominated catchment. Total Phosphorus (TP), Total Nitrogen (TN), Suspended Sediment (SS) and Electrical Conductivity (EC) concentrations from a catchment – wide (168 sites), event-driven snapshot, water quality monitoring program conducted from 1994 to 1996, were analysed in relation to stream order and published survey data on riparian zone condition. This analysis was performed to examine relationships between stream order, riparian zone condition and water quality, and implications for the …

Bulletin 4475 - Exotic Diseases - Poultry, Agriculture Western Australia

Bulletins 4000 -

An exotic disease is a disease that is not present in Australia.

If an exotic disease did occur in Australia it would cause production losses, stock deaths and stop exports of primary production. When export markets are lost they can only be re-established once it is proven the disease is eradicated.

2001 Weed Science Research Report - Blue Section, Ndsu Weed Science, Dept. Of Plant Sciences

Plant Sciences Weed Science Reports

The Weed Science team at North Dakota State University conduct field research in the State of North Dakota. This specific document reports on field research conducted in 2001. It includes work on corn and soybean and the management of several weeds in North Dakota.

2001 Weed Science Research Report - Pink Section, Ndsu Weed Science, Dept. Of Plant Sciences

Plant Sciences Weed Science Reports

The Weed Science team at North Dakota State University conduct field research in the State of North Dakota. This specific document reports on field research conducted in 2001. It includes work on several noxious weeds.

Farmer Crop Update Series - Western Region' Project Number Daw630, Nicole Kerr

Research Reports

The aims of this project are to:

• Provide regional forums for updating growers with the latest R&D in cropping systems and grain production.

• To foster participative R&D through effective interchange between agency based R&D groups, agribusiness R&D groups and grower based groups with potential to participate in R&D at a range of levels (from merely providing feedback to linking broadscale on-farm tests with the research).

• To reduce research segmentation by fostering a climate of mutual benefit in R&D exchange. There is already emergence of research segmentation from proprietary research. However, apart from an initial proprietary advantage (within …

Genomic Regions That Underlie Soybean Seed Isoflavone Content, K. Meksem, V. N. Njiti, W. J. Banz, M. J. Iqbal, My. M. Kassem, David L. Hyten, J. Yuang, T. A. Winters, D. A. Lightfoot

Department of Agronomy and Horticulture: Faculty Publications

Soy products contain isoflavones (genistein, daidzein, and glycitein)that display biological effects when ingested by humans and animals, these effects are species, dose and age dependent. Therefore, the content and quality of isoflavones in soybeans is a key to their biological effect. Our objective was to identify loci that underlie isoflavone content in soybean seeds. The study involved 100 recombinant inbred lines (RIL)fr om the cross of ‘Essex’ by ‘Forrest,’ two cultivars that contrast for isoflavone content. Isoflavone content of seeds fromeach RIL was determined by high performance liquid chromatography (HPLC). The distribution of isoflavone content was continuous and unimodal. The …

Time Series Modelling Of The Environmental Factors Affecting The Daily Catch Rate Of Western Rock Lobster, Sukanlaya Srisurichan

Theses: Doctorates and Masters

The western rock lobster fishery is one of the most significant and valuable single species fisheries in Australia and in the world. It generates a gross commercial value of $200-300 million dollars per year for the economy of Western Australia. The impact of environmental factors on the daily catch rate of the western rock lobster is of particular interest to the W.A. Marine Research Laboratories, at the Ministry of Fisheries, Western Australia. Considerable time and effort has been invested into building and developing suitable models to measure such impact on this fishery. While past research has focussed on monthly or …

2001 Weed Science Research Report - Green Section, Ndsu Weed Science, Dept. Of Plant Sciences

Plant Sciences Weed Science Reports

The Weed Science team at North Dakota State University conduct field research in the State of North Dakota. This specific document reports on field research conducted in 2001. It includes work on small grains and the management of several weeds in North Dakota.

The Personal Is Political And The Political Can Be Very Bloody Personal : Family Farming In A Deregulated Dairy Industry, Terese Reid

Theses : Honours

This qualitative study considers the links between the political ideology that led to the deregulation of the dairy industry in July 2000 and the personal lived experiences of dairy farming families at a grass roots level. The post-deregulation experiences of dairy farming families within the South West region of Western are investigated through an engaged critical ethnographic methodology. A critical analysis of the political policies relating to dairy deregulation, is also incorporated within the study's methodological framework. The underlying aims of critical ethnography are emancipation, empowerment and liberation. The central purpose of this research is to give the daily farming …

2001 Weed Science Research Report - Yellow Section, Ndsu Weed Science, Dept. Of Plant Sciences

Plant Sciences Weed Science Reports

The Weed Science team at North Dakota State University conduct field research in the State of North Dakota. This specific document reports on field research conducted in 2001. It includes work on several crops including checkpea, wheat, potato, canola, flax and others.

Genetic Analysis Of Kafirins And Their Phenotypic Correlations With Feed Quality Traits, In Vitro Digestibility, And Seed Weight In Grain Sorghum, C. Hicks, S. R. Bean, G. L. Lookhart, Jeffrey F. Pedersen, K. D. Kofoid, M. R. Tuinstra

Department of Agronomy and Horticulture: Faculty Publications

Twenty-three entries of grain sorghum (Sorghum bicolor (L.) Moench), including eight inbred lines (five males and three females) and 15 hybrids, were evaluated to determine the proportion of γ, αII, and β-αI-kafirins and their association with contents of crude protein, fat, and starch; protein digestibility; in vitro dry matter disappearance; and seed weight. The male lines included three normal-seeded lines (TX2737, TX435, and P954063) and two large-seeded lines (Eastin1 and PL-1). Female lines consisted of three common U.S. seed parent lines (Wheatland, Redlan, and SA3042). The lines and their hybrids were grown under dryland conditions at two locations in …

Seed Physiology, Production & Technology: Germination, Emergence, And Yield Of 20 Plant-Color, Seed-Color Near-Isogenic Lines Of Grain Sorghum, Jeffrey F. Pedersen, J. J. Toy

Department of Agronomy and Horticulture: Faculty Publications

Although there is growing demand for sorghum [Sorghum bicolor (L.) Moench] with white seed and tan plant color, there is limited information on the overall agronomic fitness of sorghum with these characters. A set of experiments was conducted to evaluate the combined effects of plant color and seed color on sorghum germination, emergence, and agronomic performance. Twenty near-isogenic lines with red seed/tan plant (RT), red seed/purple plant (RP), white seed/ tan plant (WT), white seed/purple plant (WP) phenotypes were tested under field and laboratory conditions. Plant color X seed color interactions were not significant. Purple plant color phenotypes had higher …

High-Throughput Genotyping For A Polymorphism Linked To Soybean Cyst Nematode Resistance Gene Rhg4 By Using TaqmanTm Probes, Khalid Meksem, Eliza Ruben, David L. Hyten, Michael E. Schmidt, David A. Lightfoot

Department of Agronomy and Horticulture: Faculty Publications

An individual soybean breeder can generate over one hundred thousand new genotypes each year. The efficiency of selection in these populations could be improved if these genotypes were effectively screened with one DNA marker that identified an important gene, and if laboratory throughput was high and costs were low. Our aim was to develop a rapid genotyping procedure for resistance to the soybean cyst nematode. A high-throughput genotyping method was developed with fluorogenic probes to distinguish between two insertion polymorphisms in alleles of an AFLP marker that is located about 50 kbp from the Rhg4 gene candidate. The assay uses …

Conversion Of Aflp Bands Into High-Throughput Dna Markers, K. Meksem, E. Ruben, D. L. Hyten, K. Triwitayakorn, D. A. Lightfoot

Department of Agronomy and Horticulture: Faculty Publications

The conversion of AFLP bands into polymorphic sequence-tagged-site (STS) markers is necessary for high-throughput genotype scoring. Technical hurdles that must be overcome arise from genome complexity (particularly sequence duplication), from the low-molecular- weight nature of the AFLP bands and from the location of the polymorphism within the AFLP band. We generated six STS markers from ten AFLP bands (four AFLPs were from co-dominant pairs of bands) in soybean (Glycine max). The markers were all linked to one of two loci, rhg1 on linkage group G and Rhg4 on linkage group A2, that confer resistance to the soybean cyst nematode (Heterodera …

2001 Weed Science Research Report - Tan Section, Ndsu Weed Science, Dept. Of Plant Sciences

Plant Sciences Weed Science Reports

The Weed Science team at North Dakota State University conduct field research in the State of North Dakota. This specific document reports on field research conducted in 2001. It includes work on spray volume and equipment.

Response Of Popcorn (Zea Mays Everta) To Nitrogen Rates And Plant Densities, Sabri̇ Gökmen, Özer Sencar, Mehmet Ali̇ Saki̇n

Turkish Journal of Agriculture and Forestry

The objective of this study was to evaluate grain yield and yield components of popcorn with different nitrogen rates and plant densities. Field studies were conducted in 1995 and 1996 at Kazova Plain in Tokat. The experiment was designed in a randomized-complete-block design with a split-plot arrangement with three replications. The treatments comprised six levels of nitrogen (0, 50, 100, 150, 200 and 250 kg N /ha) and four plant densities (5.7, 7.0, 9.5 and 14.0 plants /m^2). Nitrogen rates were in the main plots, and planting densities were in the sub-plots. An open pollinated was used as the material …

The Effect Of Salicyclic Acid And Endomycorrhizal Fungus Glomus Etunicatumon Plant Development Of Tomatoes And Fusarium Wilt Caused By Fusarium Oxysporum F.Sp Lycopersici, Hülya Özgönen, Mehmet Bi̇çi̇ci̇, Ali̇ Erkiliç

Turkish Journal of Agriculture and Forestry

The effect of salicylic acid (SA)and Glomus etunicatum (GE)on plant development of tomatoes and infection potential of wilt disease Fusarium oxysporum f.sp lycopersici (Fol)were studied. The effects of different SA concentrations on mycelial development of Fol were tested in vitro and two concentrations of SA and GE were included in pot experiment. SA completely inhibited the mycelial development of Fol in vitro at concentrations from 0.6 mM to 1.0 mM and ED50 value was found as 0.51 mM. GE could increase dry weight of plant,length of shoot and root growth irrespective whether Fol infected the tomato plants. The root colonization …

Defining Effective Salt Leaching Regions Between Drains, Ömer Anapali, Üstün Şahi̇n, Taşkin Öztaş, Abdurrahman Hanay

Turkish Journal of Agriculture and Forestry

The application of sufficient amounts of leaching water by means of an effective method is very important in the management and reclamation of saline and sodic soils. Reclamation cannot be achieved with insufficient leaching water application, while excess water application may cause severe problems in soil. Knowledge of the leaching regions and intensities may help to control the amounts of leaching water through effective leaching methods in areas of limited leaching. This study was undertaken to define the vertical and horizontal leaching regions between drains,using geostatistical methods under laboratory conditions. Vertical and horizontal distribution patterns of soil salinity following leaching …