Sivagnanam .S

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Questions related from Sivagnanam .S

How to determine organic carbon content in humic acid?

I need to determinate organic carbon content in humic acid solution. tell me correct reference or protocol of determinate OC content in humic acid solution.

22 September 2017 1,110 3 View

How can I predict leaf N content from chlorophyll content?

I have a chlorophyll data. estimated by 80% acetone method. how can i predict / calculate / derive / chlorophyll content to N content. Plz... give me your suggestion and references.

01 January 2016 3,757 5 View

What is the role of perchloric acid (HClO4) in triacid for plant sample digestion?

anyone can give the correct reasons for adding HClO4 in triacid?

18 November 2015 6,687 4 View

Which is the easy, accurate and low cost method to estimate the freshly fixed N from atmosphere?

How is fix nitrogen in soil from atmosphere? How much N fix in soil per mm rain? Which is the easy, accurate and low cost method to estimate the freshly fixed N from atmosphere? How it is...

18 November 2015 2,671 1 View

How can I develop a new nutrient index?

I have hyperspectral data (512_bands) different nutrient stress in rice at different stages. which methods are good for identify the nutrient stress index. any one can give good reference to...

03 November 2015 557 4 View

What is the ratio between chlorophyll a & b in rice?

why it is important? refer me any article.

16 October 2015 3,520 2 View