An assessment of nitrogen fixation in 'organically managed' spring-sown lupins and leaching under a following winter cereal

Three spring-sown species of lupins (Bora, Prima and Wodjil) and peas were compared in terms of N fixation and subsequent leaching under a following winter cereal crop. Although peas out-yielded lupins (5.4 t compared with ca 3.5 t grain, respectively), the yellow lupin (Wodjil) fixed more N than peas (180 compared with 120 kg N ha-1) and all three lupins contained more protein (> 30%) than the peas (22%). Wodjil was the most effective at suppressing weeds, carrying only 12% of the weed burden found in fallow plots, followed by peas (19%). Winter leaching amounted to > 50 kg nitrate-N ha-1 from under the winter cereal, regardless of whether the previous treatment was a legume crop or was left fallow. There were no significant differences in leaching between the three species of lupin. Leachate in the first 350 mm of drainage under the winter cereal exceeded the EU limit on nitrate in drinking water in all treatments. This work is part of a wider collaborative study supported by Defra which covers a range of UK sites

Venison Trade and Interaction between English Colonists and Native Americans in Virginia\u27s Potomac River Valley

Trade played a crucial role in the relationships that formed between European colonists and Native Americans during the early colonial period. In the 17th-century Potomac River valley the interactions between Native Americans and Europeans laid the foundations for the emergence of a truly creolized society. Much of the research on these relationships has focused on Maryland contexts and post-1660 contexts on Virginia’s Northern Neck. This paper examines the influence of Native Americans on the early settlement of Virginia’s Potomac Valley using the Hallowes site (44MW6) as an example. Skeletal-portion and age-distribution analyses of the deer remains at the site and a rich historical context are used to indicate trading relationships that existed between the residents of the site and local Native Americans. Through this trade, and the interaction it facilitated, people like John Hallowes participated in the increasingly complex intercultural relationships that defined the early Chesapeake

Perforated Umbilical Hernia in a Foal

The animal, a crossbred Belgian, was first seen on January 15, 1942, at which time there was evidence of colic with much pain. The hernial sac was hard, distended, and there was some edema of the surrounding tissue. The sac was oval in outline and about 10 by 6 inches in size. There was much pain on pressure over the area, the pulse rate was 60-70 per minute but regular and strong, the temperature was 102.5. A diagnosis of strangulated hernia was made and as attempts at manual reduction were in vain the owner was advised to dispose of the animal

Flash Lab: A High-Speed Imaging Laboratory

To help students become better acquainted with high-speed instrumentation and measurement techniques, a high-speed imaging laboratory for the College of Engineering is equipped with a high-speed camera and schlieren imaging device. The laboratory will be used for labs in classes, such as Instrumentation, Thermal/Fluids Lab, Experimental Solids, and Mechanical Experiments. In addition, graduate students will use it for research purposes. The laboratory also has the potential to have a course associated with it that would include the image processing techniques for a variety of applications (e.g., a course on high-speed imaging). The scope of this project will be to create a training/orientation course for the laboratory and equipment, develop experiments and course work for the Thermal/Fluids Lab course, and to help design a storage area into a workable lab space. The goal of the experiments is to expand the exposure of thermal/fluids phenomena as well as introduce modern measurement techniques. The experiments designed will be built off previous successful experiments. All results of the experiments should match the literature cited. With this new lab it will be used as a recruiting tool as well as a resource for funding from donors and bringing in more research opportunities to Utah State University. The laboratory will be setup in such a way that its use can be expanded to meet the needs of the department, faculty, and students

Where Are the Gatekeepers? Challenging Utah’s Threshold Standard for Admissibility of Expert Witness Testimony

Utah’s Rule 702 on the admissibility of expert witness testimony is far too low. Utah trial courts cannot to fulfill their role as gatekeepers because the threshold standard forces them to admit almost everything without ensuring reliability. Accordingly, Utah evidence law will benefit from amending Rule 702 whether it reverts to the federal rule or elects the Minnesota approach. Either is preferred to the almost nonexistent standard currently in place, which has drifted far from the “inherent[ly] reliab[le]” tradition and is no longer “the touchstone of admissibility” in Utah. The State should amend Rule of Evidence 702 to allow judges to make meaningful decisions on the admissibility of expert testimony once again

The Historical Archaeology of Eighteenth-Century Tenancy at the Snowden Park Site (44SP0642)

Data recovery excavations at the Snowden Park Site (44SP0642) conducted by Dovetail in June 2014 revealed evidence of a late-eighteenth-century tenant farmstead on the outskirts of Fredericksburg. The tenant status of the site occupants, the McCoy family, was gleaned from historical records related to the site, providing the opportunity to interpret the material culture recovered during the excavation in the context of eighteenth-century tenancy. How did the archaeological remains at this site relate to other contemporary sites in the region? Were there material manifestations of tenancy that could be recognized? Comparing the landscape, faunal remains, and ceramics from Fall Hill to other eighteenth-century sites in the Chesapeake revealed that pinpointing tenant sites based solely upon archaeological remains is a difficult task. However, highlighting specific archaeological remains and patterns with the known tenant status of the occupants allowed for a more nuanced interpretation of the lives of the McCoy family