Seedlings of red maple, white pine, pitch pine and red pine were fertilized with nutrient solutions containing 4 levels of nitrate or ammonium additions. These levels corresponded to approximately 0.5, 1, 2 and 4 times normal availability of nitrogen in northeastern forests. Nitrate reductase (NR) a
Nitrate reductase activity and growth response of forest species to ammonium and nitrate sources of nitrogen
β Scribed by M. A. Adams; P. M. Attiwill
- Publisher
- Springer
- Year
- 1982
- Tongue
- English
- Weight
- 399 KB
- Volume
- 66
- Category
- Article
- ISSN
- 0032-079X
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Nitrate-induced and phytochrome-modulated appearance of nitrate reductase (NR; EC 1.6.6.1) and nitrite reductase (NIR; EC 1.7.7.1) in the cotyledons of the mustard (Sinapis alba L.) seedling is strongly affected by externally supplied ammonium (NH2). In short-term experiments between 60 and 78 h aft