LaMotte Soil Test Kit 5679 - Manual (Page 5)

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Nitrogen Test
Fill test tube (0755)
to line 7 with
*Nitrogen Extracting
Solution (5702). Use 0.5g spoon
(0698) to add two
measures of soil
sample.
Cap and mix
gently for one
minute.
Remove cap
and allow soil
to settle.
Use a clean pipet (0364) to
transfer the clear liquid to
a second test tube. To avoid
agitation of soil, squeeze
bulb of pipet before inserting
tip into liquid. Release bulb
slowly to draw clear liquid
into pipet. Do not pull up any
soil. Fill second tube to line
3 with liquid.
Use 0.25g spoon
(0695) to add two
measures of
*Nitrogen Indicator
Powder (5703) to
soil extract in
second tube.
Cap and gently
mix. Wait 5 minutes
for pink color to
develop above the
powder.
Match test color with
Nitrogen Color Chart (1371) .
Record as Nitrogen.
Low 0-30
lb/acre
Medium 30-60 lb/acre
High +60 lb/acre