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Filtering by: Subject Plants, Effect of ultraviolet radiation on Decade 1970-1979 Subject Plants, Effect of nitrates on

Yield, quality characteristics, and composition of Limnanthes alba seed as affected by rate, source, and date of nitrogen application

Creator:

Ayres, Thomas Arthur

Abstract:

The effect of nitrogen (N) application on seed yield of Limnanthes alba was studied for two years at two locations. Seeding following alfalfa (Medicago sativa L.) was compared to establishment after wheat (Triticum aestivum L.). Treatments used were a control (no N applied), and two rates of N (50 and...

Resource Type:

Masters Thesis

Full Text:

. Effect of Nitrogen Rates and Plant Spacing on Sunflower Seed Yields and Other Characteristics. Agron J
Nitrate reductase activity as a factor influencing the seasonal succession of marine phytoplankton

Creator:

Roelofs, Nancy Ann

Abstract:

Nitrate reductase is known to be the enzyme regulating the reduction of nitrate to nitrite in plants. This reduction is the first and rate-limiting step in the transformation of inorganic nitrate to a cellular nitrogen form. Since this reduction process is essential to phytoplankton growth when nitrate is the only...

Resource Type:

Masters Thesis

Full Text:

conditions encountered in the ocean. And third, the effect of temperature and light on enzyme levels should