The effect of nutrient solution nitrogen concentration on lettuce biomass production and nitrogen uptake using a recirculating hydroponic system
By: by Daniel Burns.
Published: 1997
Language: eng
Number of pages: 104
Subjects: Plant biomass; Biomass energy; Hydroponics; Lettuce; Sewage -- Purification -- Nitrogen removal; Water -- Nitrogen content
Notes: Thesis (M.S.)--Western Washington University, 1997.

Includes bibliographical references (leaves 77-88)