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Articles 211 - 231 of 231
Full-Text Articles in Entire DC Network
Evaluation Of Trifolium And Ornithopus Species., Richard Snowball
Evaluation Of Trifolium And Ornithopus Species., Richard Snowball
Experimental Summaries - Plant Research
89AL26, 89MC6, 89W10, 89HA3, 89N058
Trial work in 1989 included the following:
Medina: 1. Re-evaluation of Persian and Balansa clovers.
2. Confirmation of sorted types from new collections.
3. Regeneration of old collections.
4. Seed increase of Persian and Balansa clovers.
5. New Serradella collections.
6. New Trifolium collections.
Country: Selected lines of Persian, Balansa and other Trifolium species at:
1. Green Range.
2. Manjimup.
3. Wokalup.
4. Harvey.
5. Goomalling.
Nitrogenous Fertilizers For Cereals., M. G. Mason
Nitrogenous Fertilizers For Cereals., M. G. Mason
Experimental Summaries - Plant Research
Trial 87CI
Rates of nitrogen on continuous wheat on heavier land.
Location: North Mullewa Research Station.
Trial 80WH3, 80MI, 80N3.
Effects of Agras No. 1 on soil pH and wheat yield.
Location: Wongan Hills Research Station, Merredin Research Station, Newdegate Research Station.
Trial 78WH3
Effect of stubble treatment on nitrogen fertilizer requirement.
Location: Wongan Hills Research Station.
Trial 89WH18
Effect of banding sources of nitrogen on grain yield.
Location: Wongan Hills Research Station.
Trial 89M2 (a)
Nitrification of sources of nitrogen on heavy soil.
Location: Merredin Research Station.
Trial 89M2 (b)
Nitrification of sources of nitrogen on heavy soil.
Location: …
Effect Of Seed Phosphorus, Seed Size And Seedling Density On The Growth Of Lupins., M. M. Riley, M. D. Bolland, K. Adcock
Effect Of Seed Phosphorus, Seed Size And Seedling Density On The Growth Of Lupins., M. M. Riley, M. D. Bolland, K. Adcock
Experimental Summaries - Plant Research
Trial 89SC22
Location: South Carrabin Research Station, Hayden paddock.
Effect of seed phosphorus concentration, fertilizer P level, seed size and seeding rate on plant counts at 6 to 21 weeks.
Trace Element Nutrition. Tissue Testing Programme 1989. Residual Value. Manganese Nutrition Of Lupins., R. F. Brennan
Trace Element Nutrition. Tissue Testing Programme 1989. Residual Value. Manganese Nutrition Of Lupins., R. F. Brennan
Experimental Summaries - Plant Research
Evaluation of existing diagnostic procedures for the recommendation of trace element fertilizers.
To compare the accuracy and reliability of a range of tissue and soil tests being variously promoted for use to farmers for the diagnosis and prognosis of zinc and copper deficiencies in wheat crops on Western Australian farms.
Trial 66N14
Long term copper residual trial at the Newdegate Research Station.
To determine the residual value of previously applied copper.
Location: Newdegate Research Station.
Trial 86N27
Residual value of zinc with high analysis nitrogen and phosphorus fertilizer.
To determine the decline in effectiveness of zinc on this soil types …
New Block Badgingarra Rs Late Time Of Seeding., J. W. Bowden, R. J. Lunt
New Block Badgingarra Rs Late Time Of Seeding., J. W. Bowden, R. J. Lunt
Experimental Summaries - Plant Research
Trial 89BA33,
Location: Badgingarra
Based on a 1.5 t/ha potential yield, the strategic treatment was planned to be 120 kg urea/ha 4WAS. However, the crop was poorly established and so NH4NO3 was used in the hope of getting better tillering than would be possible with the slower release urea source. Gambling on equal dollars to urea for 2/3 N, but believe that twice as effective.
DAP was used to place nitrogen with the seed in case there was no rain of significance after seeding. This nitrogen (only 5 kg/ha) was probably lost with the rains of 20-28/7/89 (50 mm). Urea …
Woody Vegetation Of A Mesic Sand-Forest In Mason County, Illinois, Sean E. Jenkins
Woody Vegetation Of A Mesic Sand-Forest In Mason County, Illinois, Sean E. Jenkins
Masters Theses
An inventory was completed of the woody vegetation of a 6.5 hectare section of a mesic sand-forest near Forest City, Mason County, Illinois. This forest, which is located on stabilized sand dunes in the Illinois River Section of the Illinois River and Mississippi River Sand Areas Division, has a stand composition of 247.5 stems/ha (above 10 cm dbh.), and a basal area of 16.1 sq. m/ha. A total of 21 woody species are present on the site with Black oak comprising 84% of the Basal area and 61% of the total individuals, and having an importance value of 144.9. Black …
Tissue Culture In Rice (Oryza Sativa L. Subsp. Japonica Var. Lemont), Young M. Woo
Tissue Culture In Rice (Oryza Sativa L. Subsp. Japonica Var. Lemont), Young M. Woo
Masters Theses
The purpose of this study was to obtain callus induction and subsequent plantlet regeneration from various explants of rice (Oryza sativa L. subsp. japonica var. Lemont). Callus induction occurred from the somatic cells of ovary wall, immature and mature embryos, immature endosperm, stem nodes, and seedlings. Plantlets were regenerated from embryo-, endosperm-, and stem node-derived calli on differentiation media. Stem nodes were the most responsive to callus induction. Requirements for optimal callus formation and plantlet regeneration differed from each culture. The study investigated the effects of cold treatment of explants, initial culture in darkness, media, and subculture for individual explant …
Vascular Flora Of Northwestern Highland County, Virginia, Theresa Alee Theodose
Vascular Flora Of Northwestern Highland County, Virginia, Theresa Alee Theodose
Dissertations, Theses, and Masters Projects
No abstract provided.
Allelopathic Observations In Rice (Oryza Sativa L.) To Ducksalad (Heteranthera Limosa), R. H. Dilday, Paolo Nastasi, Roy J. Smith Jr.
Allelopathic Observations In Rice (Oryza Sativa L.) To Ducksalad (Heteranthera Limosa), R. H. Dilday, Paolo Nastasi, Roy J. Smith Jr.
Journal of the Arkansas Academy of Science
More than 50 weed species infest drill-seeded rice in the U.S. and one of the most prevalent aquatic weeks is ducksalad (Heteranthera limosa). During the summer of 1988, a field experiment was conducted to identify rice accessions from the USDA/ARS rice germplasm collection for allelopathic effects to ducksalad. In this field experiment, 5,000 accessions were evaluated for allelopathic activity. Five to seven seeds of each rice accession were planted in hills about 75cm apart in two replications. Allelopathic activity was recorded as 1) radius of the area affected by allelochemical from the base of the rice plant and 2) percentage …
Floristic Notes On The Arkansas Cruciferae (Brassicaceae), Edwin B. Smith
Floristic Notes On The Arkansas Cruciferae (Brassicaceae), Edwin B. Smith
Journal of the Arkansas Academy of Science
No abstract provided.
Preliminary Evaluation Of A Dodder Anthracnose Fungus From China As A Mycoherbicide For Dodder Control In The Us, D. K. Cartwright, George E. Templeton
Preliminary Evaluation Of A Dodder Anthracnose Fungus From China As A Mycoherbicide For Dodder Control In The Us, D. K. Cartwright, George E. Templeton
Journal of the Arkansas Academy of Science
Dodder (Cuscuta spp.) is a noxious, parasitic, annual weed throughout most of the United States. A fungus used to control it in China was imported under permit for studies with U.S. dodder species in containment. The fungus, Colletotrichum gloeosporioides, sporulated on liquid and solid media at room temperature. Conidia from 7-12 day old cultures were diluted to 3.5 to 7 X 16⁶ spores ml^-1 for host range inoculations. Germination on water agar at 24 hrs was higher at 28 than 30 or 24 C. Inoculated plants were exposed to dew periods of 12-1 4 hrs at 24 or 28 C, …
Genetic And Plant Growth Regulator Manipulation Of Rice (Oryza Sativa L.) Mesocotyl And Coleoptile Lengths, R. S. Helms, R. H. Dilday, M. A. Mgonja, S. Amonsilpa
Genetic And Plant Growth Regulator Manipulation Of Rice (Oryza Sativa L.) Mesocotyl And Coleoptile Lengths, R. S. Helms, R. H. Dilday, M. A. Mgonja, S. Amonsilpa
Journal of the Arkansas Academy of Science
Significant differences in mesocotyl lengths of semidwarf and non-semidwarf rice (Oryza sativa L.) cultivars were observed. However, the relationship between plant height and mesocotyl length was found to be due to linkage rather than pleiotropism. Seed treatments of gibberellic acid (GA₃) significantly increased mesocotyl and coleoptile lengths in the laboratory study. The GA₃ seed treatments significantly increased stand density compared to the untreated control in the field study. However, no significant differences were observed for plant height at maturity or grain yields among the GA₃ treatments or the untreated control.
Reproduction Of Lindera Melissafolia In Arkansas, Robert D. Wright
Reproduction Of Lindera Melissafolia In Arkansas, Robert D. Wright
Journal of the Arkansas Academy of Science
Field reproduction was investigated in several populations of the endangered dioecious species Lindera melissifolia. Fruit set was light and erratic, and even where fruiting was heavy no effective seed bank was found. Field transplantation of greenhouse-grown seedlings was successful for one growing season. Rhizome sprouting was widespread, and produced rapid recovery from fire. Without enhancement of natural reproduction, the species will probably decline.
Ua35/11 Student Honors Research Bulletin, Wku Honors Program
Ua35/11 Student Honors Research Bulletin, Wku Honors Program
WKU Archives Records
The WKU Student Honors Research Bulletin is dedicated to scholarly involvement and student research. These papers are representative of work done by students from throughout the university.
- Coates, Alan. Management's Attitude Toward Collective Bargaining
- Frew, Becky. The Effects of Personality Type and Social Support on Instances of Job Stress
- Green, Laura. Earth Sheltered Housing
- Gregory, Vicky. Fraud and Abuse by Medical Providers in Medicare and Medicaid
- Hignite, Susan. Japanese Students in Kentucky Classrooms
- Hodum, Martha. The Mathematically Gifted Child
- Jones, Rodney. Superman to Censorship: America's Romance with the Comic Book
- Marrs, Shawn. Romanticism and Unromanticism in Sir Gawain and the …
An Annotated List Of The Vascular Plants Of Keith County, Nebraska, David M. Sutherland, Steven B. Rolfsmeier
An Annotated List Of The Vascular Plants Of Keith County, Nebraska, David M. Sutherland, Steven B. Rolfsmeier
Biology Faculty Publications
This study provides an annotated list of the vascular plants known to exist outside of cultivation in Keith County, Nebraska. Listed are a total of 599 species, subspecies and varieties belonging to 302 genera of 87 families. Notes are included about frequency and habitat for each of the taxa. 264 (44.1 %) of the taxa listed were previously unreported for Keith County. Additionally, the paper discusses vegetation regions in the county and gives information in tabular form about numbers of the flora in different taxa, the ten largest families, numbers of taxa of different growth habits, and numbers of taxa …
The Sandplain Lupin : Its Nutritional Value And Grazing Management, P W. Morcombe
The Sandplain Lupin : Its Nutritional Value And Grazing Management, P W. Morcombe
Journal of the Department of Agriculture, Western Australia, Series 4
The sandplain lupin or Western Australian blue lupin (Lupinus cosentinii) was introduced to the West Midlands at the turn of the last century. Since that time it has been used as a self-regenerating summer forage for sheep and cattle.
Being deep rooted, it has adapted well to the sandy soils from Perth to Northampton, and plantings now cover more than 100,000 ha.
As few other improved pasture species will persist on these deep sands the sandplain lupin provides an important source of summer feed for grazing livestock. A stand can be grazed throughout summer at stocking rates of 10 to …
Potassium Nutrition Of Pastures On The Sandplain Soils Of Western Australia., Noeleen Edwards, M. Thomas
Potassium Nutrition Of Pastures On The Sandplain Soils Of Western Australia., Noeleen Edwards, M. Thomas
Experimental Summaries - Plant Research
Project: Potassium nutrition of pastures on the sandplain soils of Western Australia.
Determine the factors affecting the fate of native and applied potassium on sandplain soils.
Define current and residual response curve parameters for potassium applications. Develop recommendations for the economic management of soil potassium levels.
Trial 88B46, 88TS69, 89KO26
Maintenance application rates of potassium on sandplain soils.
Location: Badgingarra Research Station, new block, North Eneabba, Kojaneerup Research Block.
Trial 89BA24
Residual value of potassium on sandplain soils.
Location: Badgingarra Research Station
Trial 89MT46,
Potassium requirements of sub clover.
Location: Mt Barker Research Station.
Project: Potassium nutrition of lupins on …
The Development And Failure Of Historic Agricultural Communities Of Utah: A Case Study Of Johns Valley, Utah, Wayne R. Shelley
The Development And Failure Of Historic Agricultural Communities Of Utah: A Case Study Of Johns Valley, Utah, Wayne R. Shelley
Theses and Dissertations
Many agricultural communities have developed in Utah since the first settlement, but many no longer exist today. Some of these early communities experienced a "boom and bust," while others struggled for several years and were eventually abandoned. Johns Valley is a good example of these historic communities, as it experienced rapid growth and times of success and prosperity, yet it struggled and was eventually abandoned.
The situation in Johns Valley, from its early settlement to its demise, demonstrates the hope of the people who settled there and their efforts to make Johns Valley a productive and successful area. History also …
Crop Establishment Strategies, Dpird
Crop Establishment Strategies, Dpird
Experimental Summaries - Plant Research
Cereals, dry seeding, sowing at the break of the season, sowing three weeks after the break of the season, 89EB14. Pastures, cape tulip control, 88No114. Four o’clock control, 89Ka79. Glaucus thistle, 89Ka87. Matricaria control, 89ME48. Mexican poppy control, 89No97. Saffron thistle control, 89TS65, 89TS66. Saffron thistle demonstration, Geraldton.
1989 Agricultural Research, Southeast Kansas Branch Station, L. W. Lomas, K. P. Coffey, J. L. Moyer, D. W. Sweeney, G. V. Granade, T. Walter, K. W. Kelley
1989 Agricultural Research, Southeast Kansas Branch Station, L. W. Lomas, K. P. Coffey, J. L. Moyer, D. W. Sweeney, G. V. Granade, T. Walter, K. W. Kelley
Kansas Agricultural Experiment Station Research Reports
Research on beef cattle and crops at Southeast Kansas Branch Station.
Texture, Climate And Cultivation Effects On Soil Organic Matter Content In U.S. Grassland Soils, Ingrid C. Burke
Texture, Climate And Cultivation Effects On Soil Organic Matter Content In U.S. Grassland Soils, Ingrid C. Burke
Ingrid Burke
Soil organic C content, a major source of system stability in agroecosystems, is controlled by many factors that have complex interactions.The purpose of this study was to evaluate the major controls over soil organic carbon content, and to predict regional patterns of carbon in range and cultivated soils. We obtained pedon and climate data for 500 rangeland and 300 cultivated soils in the U.S. Central Plains Grasslands, and statistically analyzed relationships between C and soil texture and climate. Regression models of the regional soils database indicated that organic C increased with precipitation and clay content, and decreased with temperature. Analysis …