[Superscript 15]N abundance as an indicator of N-saturation of coniferous forest /
Đã lưu trong:
| OCLC: | 36007437 |
|---|---|
| Tác giả chính: | |
| Tác giả của công ty: | |
| Ngôn ngữ: | English |
| Được phát hành: |
Umeå :
Swedish University of Agricultural Sciences,
1996.
|
| Loạt: | Acta Universitatis Agriculturae Sueciae. Silvestria,
1. |
| Những chủ đề: | |
| Global Resources Program: | Southeast Asia Materials Project (SEAM) |
| Định dạng: | Luận văn Monograph Note that CRL will digitize material from the collection when copyright allows. |
Mục lục:
- 1. 15N abundance of forests is correlated with losses of nitrogen / Peter Högberg and Christian Johannisson
- 2. 15N abundance of soils and plants along an experimentally induced forest nitrogen supply gradient / Christian Johannisson, Peter Högberg
- 3. Development of needle and soil 15N abundance during 20 years of N-fertilization of a Scots pine forest / C. Johannisson
- 4. Retention of nitrogen in relation to N-load and additions of P and K to a Scots pine forest in northern Sweden / C. Johannisson, D.D. Myrold & P. Högberg.