Sôbre a determinação do nitrogênio, do fósforo e do potássio no mesmo extrato
The determination of total nitrogen, phosphorus, and potassium in plant material can be carried out in a common extract prepared with sulphuric acid and 30 per cent hydrogen peroxide. Nitrogen is estimated by direct nesslerization of a suitable aliquot (1-5 ml of the 50 ml extract made out of 250 mg...
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| Main Authors: | , , |
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| Format: | Digital revista |
| Language: | Portuguese |
| Published: |
Universidade de São Paulo
1958
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| Online Access: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0071-12761958000100002 |
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