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Filtering by: Creator Larson, Kelli L., 1975- Decade 1990-1999 Subject Cover crops -- Oregon

Effects of winter cover crops following potato (Solanum tuberosum L.) on soil nitrate and soil fertility in the Columbia Basin

Creator:

Fernando, M.F. Sydney W.

Resource Type:

Dissertation

Full Text:

Columbia Basin. An intensively cultivated site was fall-planted to winter wheat (Triticum aestivum L
Assessment of variability and monitoring methods for leaching under cover crop management

Creator:

Hess, Mario

Abstract:

The contamination of ground water resources represents a serious problem and a prominent threat to the health of our society. This study focuses on the leaching of inorganic anions as a function of agricultural practices under natural field conditions. In order to enhance the understanding of such leaching processes, this...

Resource Type:

Masters Thesis

Full Text:

, precipitation measurements for the 1993/94 season were adjusted by + 2% (Larson and Peck, 1974). 5
Cover crops and biochemical functional diversity in relation to nitrogen availability in soil

Creator:

Burket, John Zimmerman

Abstract:

Nitrogen availability in agricultural soils from fertilizer, plant residue inputs, and soil organic matter has important implications beyond crop yield. Legume winter cover crops and one fourth the recommended N rate on sweet corn resulted in yields equivalent to those at the recommended rate in the Willamette Valley of western...

Resource Type:

Dissertation

Full Text:

affected by vegetation type and N fertilization. An example of this is seen in Larson et al. (1972) where