The importance of non-symbiotic nitrogen-fixing micro-organisms in agriculture
β Scribed by E. N. Mishustin
- Publisher
- Springer
- Year
- 1970
- Tongue
- English
- Weight
- 490 KB
- Volume
- 32
- Category
- Article
- ISSN
- 0032-079X
No coin nor oath required. For personal study only.
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## Abstract The total nitrogen content of plant tissue may be determined by direct nesslerization of sulphuric acidβhydrogen peroxide digests with accuracy up to 5%. Similar application to soil extracts involves somewhat greater errors. In a spectrophotometric study of the Nessler colour, a filter