2006-09-27 06:42:34 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Botany
Plz suggest a simpler method
2006-10-04 04:39:36 · update #1
Gilbert Method
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=440225
An improved microcombustion technique is described for nitrogen estimation in heterocyclic compounds by use of a modified Dumas filling.
https://www.springerlink.com/content/h404ppk0646261n7/resource-secured/?target=fulltext.pdf
Evaluation of acid permanganate extraction as an index of soil nitrogen availability
Plant and Soil; Volume 79, Number 2 / June, 1984
Modification of the acid permanganate method for obtaining an index of soil nitrogen availability
Plant and Soil; Volume 84, Number 1 / February, 1985
A modified micro-dumas method for rapid determination of nitrogen
Microchimica Acta; Volume 44, Numbers 7-8 / July, 1956
The use of farmgate balances and soil surface balances as estimator for nitrogen leaching to surface water
Nutrient Cycling in Agroecosystems; Volume 67, Number 3 / November, 2003
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Donor number estimation for oxygen- and nitrogen-containing solvents via proton NMR shift of chloroform
Journal of Solution Chemistry; Volume 14, Number 2 / February, 1985
Estimation of potentially mineralisable nitrogen in soil by KCl extraction
Plant and Soil; Volume 157, Number 2 / December, 1993
A new device for contamination-free injection for gas chromatographic trace estimation of oxygen and nitrogen
Chromatographia; Volume 15, Number 5 / May, 1982
Evaluation of15N methods to measure nitrogen transfer from alfalfa to companion timothy
Plant and Soil; Volume 114, Number 2 / February, 1989
2006-09-28 06:37:24 · answer #1 · answered by prakash s 3 · 0⤊ 0⤋
here is A SIMPLE METHOD FOR NITRATE NITROGEN DETERMINATION IN WHEAT PLANTS:
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=440059&tools=bot
2006-10-02 08:01:45 · answer #2 · answered by cucumis_sativus 5 · 0⤊ 0⤋