Determining how oxygen legacy affects trajectories of soil denitrifier community dynamics and NO emissions.

Denitrification - a key process in the global nitrogen cycle and main source of the greenhouse gas NO - is intricately controlled by O. While the transition from aerobic respiration to denitrification is well-studied, our understanding of denitrifier communities' responses to cyclic oxic/anoxic shifts, prevalent in natural and engineered systems, is limited. Here, agricultural soil is exposed to repeated cycles of long or short anoxic spells (LA; SA) or constant oxic conditions (Ox).

Chemical fumigation and biofumigation alter soil bacterial community diversity and composition.

Chemical fumigation and biofumigation are used to reduce soil-borne diseases in agricultural production systems; however, non-targeted soil microorganisms may also be affected. This study compared the effects of chemical fumigation, either used alone or combined with an organic amendment, and biofumigation on soil bacterial community diversity and composition under controlled conditions over 160 days. Treatments included: fumigation with chloropicrin (CP), fumigation with metam sodium used alone (MS) or combined with barley plant residues (MSBR); biofumigation with mustard plant residues; addition of barley plant residues; and untreated control.

Consistency and cost of home wound management by contract nurses.

The purposes of this descriptive study were to determine the consistency of wound care provided by home health care nurses with the physician's order and the agency's written wound protocol; and the type and cost of wound-management products and nursing services associated with home care. Eleven registered nurses were observed providing wound care in 117 home visits to 31 patients. In addition to the observational component, data were also collected by chart review to facilitate comparison of observed vs.

Community-based approach to weight loss: the Pawtucket "weigh-in".

The Pawtucket Heart Health Program (PHHP), in its attempt to treat obesity in the community, has delivered many traditional group and self-help weight loss programs. However, in order to reach a sufficient number of people to produce a public health impact in Pawtucket, PHHP devised a monthly city-wide "weigh-in." This program, designed to be delivered by volunteers, allowed individuals to set a weight loss goal and pledge a monetary incentive toward this goal.

The Pawtucket Heart Health Program. Influencing adolescent eating patterns.

The Pawtucket Heart Health Program, a research effort testing a process of community activation for cardiovascular risk factor behavior change, risk factor change, and coronary heart disease event rate change, utilizes risk factor behavior change programs for the entire population of a northeastern city. A diversity of nutrition programs designed to teach new skills and to alter the nutrition environment have been delivered. These include group programs, highlighting restaurant menus, labeling grocery shelf items, screening for blood cholesterol levels accompanied by nutritional counseling, and provision of programs in schools.