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Filtering by: Creator Hemphill, Delbert D. Degree Level Doctoral Subject Cover crops -- Oregon

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:

Cover Crops in Sweet Corn and Broccoli Rotations John Z. Burket, Delbert D. Hemphill, and Richard P