fertilizer
fertilizer


Author Comment Last activity Moderation
warren "What about if it fluoresces under UV light? Could that help? Though some natural substances fluoresce too. " | Read more » about 2 years ago
bhamster "@alejobonifacio, do you have any thoughts or experience with this in river habitats you've worked in? " | Read more » almost 3 years ago
warren "Hi @Ag8n - thanks, i'm thinking of an activity which young people could do in a group, over the course of a month or so, to create a map of a water..." | Read more » about 3 years ago
Ag8n "Project CyAN with the EPA might be of interest. It is using a newly launched satellite to track cyanobacteria. The new satellite was launched 5-6..." | Read more » about 3 years ago
Ag8n "Ammonia, as from fertilizer, would also increase the pH. It would make the algae like the water, too. There are several methods to test for ammoni..." | Read more » about 3 years ago
Ag8n "Could you be more specific? What exactly the problems are? Algae blooms due to nitrogen runoff are being tracked in some of the great lakes by sa..." | Read more » about 3 years ago
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jmh_desiderio "Good day, i would like to ask on how did you manage to measure the nutrient uptake of a plant. i am currently doing a thesis for the measurement of..." | Read more » about 3 years ago
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theuntoldrecipe "I m always learn ur post " | Read more » over 3 years ago
liz "Thank you @David_Uwi " | Read more » over 3 years ago
liz "Thank you so much for writing out this question -- as i am not from the commercial world, it's helpful for me to understand where different people ..." | Read more » over 3 years ago
Ag8n "You will need to tweak the method a little more, with volumes amounts of material added, etc. This should be viable for ammonium nitrate based ma..." | Read more » over 3 years ago
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Ag8n "Make sure you look for the liquid sample test ammonia kit, if interested. This is the one with a test tube and two liquids to add. The wrong kind..." | Read more » over 3 years ago
Ag8n "Re:the ammonia problem- Amazon sells api ammonia test kits for fish tanks. The cost is under $7 for 130 tests ( be suspicious of this number, thou..." | Read more » over 3 years ago
Ag8n "The usual way to solve the ammonium nitrate problem is to form a complex (that does absorb in the visible) and analyze the complex. Off the top of..." | Read more » over 3 years ago
david_uwi "Yes you're quite correct in an ideal world we would be using absorbance (Log of transmission) and subtracting a blank. There is also a problem with..." | Read more » over 3 years ago
Ag8n "Ok guys,I'm used to commercial instruments. So these scans always throw me. First, if you are trying to compare concentration in the commercial w..." | Read more » over 3 years ago
georgiatestprep "Interesting to see such solutions and question too. big clap. " | Read more » over 3 years ago
akhila "Thank you so much for your response, it was really helpful! " | Read more » over 3 years ago
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warren "Hi, @akhila - this is a really cool experiment you're doing! OK, i think i may have some suggestions that could help; i think you may have a doub..." | Read more » over 3 years ago
kgradow1 "@kgradow1 awards a barnstar to akhila for their awesome contribution! " | Read more » over 3 years ago