Posted 7/15/2013 21:49 (#3210634 - in reply to #3208746) Subject: RE: plant sap testing
N FLA
We like them. Very easy to use when you learn. They have a new nitrate meter, looks easier still. We use them in vegetables. never thought about doing it, but I have some questions about cotton and peanut I should look at them sometime, particularly for potassium.
plant sap testing
