Now showing items 1-10 of 13
Proceedings: Nitrogen cycling and partitioning under alternative organic orchard floor management strategies
(Western Nutrient Management Symposium, Salt Lake City, 2007)
Organic orchard systems are a significant and growing component of Washington State agriculture, yet sustainable methods of nitrogen (N) fertility and weed management remain a challenge. Nutrient supply is dependent on ...
Proceedings: 3rd National Organic Tree Fruit Research Symposium. Chelan, WA, Selections
This section of the Proceedings 3rd National Organic Tree Fruit Research Symposium includes two presentations by David Granatstein and members of the WSU Center for Sustaining Agriculture and Natural Resources: "Organic ...
Report: An assessment of organic farming research, teaching, and extension at Washington State University
There is growing interest in organic farming in the United States, and some organizations are summarizing land grant university work on the topic. To characterize organic research, teaching and extension activities at ...
Report: Antibiotic residues on plant tissues
Antibiotics have been used to control plant diseases for over 50 years (McManus et al., 2002). The quantity of antibiotics used for crop protection is small relative to livestock production and potential human exposure ...
Report: Oxytetracycline Residue Study
Oxytetracycline is a commonly used pesticide in Washington State and other regions to control the disease fire blight (Erwinia amylovora) on commercial apples and pears. It has been allowed for use in organic orchards as ...
Presentation: Orchard understory management options
This presentation describes options for orchard understory management, describing the effect of these options on weed competition with trees, nutrient dynamics, water management, rodent habitat, insect habitat, and economic ...
Report: Use of biochar from the pyrolysis of waste organic material as a soil amendment
Biochar is a charcoal-like material produced by the thermochemical pyrolysis of biomass materials. It is being considered as a potentially significant means of storing carbon for long periods to mitigate greenhouse gases. ...
Presentation: Organic tree fruit trends, 2013
These slides presented by the WSU-Center for Sustaining Agriculture and Natural Resources document growth in organic fruit sales during the 2000s in the United States.
Presentation: Current Status of Organic Agriculture in Washington State, 2012
This presentation by the Center for Sustaining Agriculture and Natural Resources summarizes trends in organic farming in the Pacific Northwest. Data as of December 15, 2012.
Presentation: Soil health in orchards: An introduction
This presentation summarizes the chemical, biological, and physical factors that contribute to soil health. It also raises questions about how soil health can be measured and the relationship between soil health and fruit ...