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Investigator: Davenport, J.

Building soil quality, enhancing soil microbial function, and alleviating chlorosis in Concord grapes with inter-row cover crops

Leaf yellowing, or chlorosis, occurs on more than 50% of the Concord vineyards in central WA, resulting in significant reductions in vine size, uniformity, productivity,…

Monitoring Uptake of Legume N by Apple Trees Using Nitrogen Isotope Discrimination

Intercropped legumes can supply nitrogen to fruit trees and reduce the need for purchased nitrogen fertilizer, potentially reducing costs and environmental footprint. The project evaluated…

Growing nitrogen in the organic orchard

Two on-farm trials were established in 2008 to test different approaches to growing nitrogen within an orchard. The trial at Warren Morgan Orchard (WMO) compared…