Description | Syllabus
| Notes |Guide
| Internet | Lab
Manual|Exams and Quizzes|Results|More|
LABORATORY 3. SOIL TESTING
Soil |
pH |
Texture |
Lime needed to raise soil to pH 7.0* |
1. Sand |
_5.75______ |
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2. Sandy loam |
_4.80______ |
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3.Silt loam |
_6.30______ |
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4. Clay |
_6.90______ |
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Results of nitrogen test
Soil |
Test Result |
Amount of Fertilizer to Raise Fertility to 100 lb N/acre |
a |
b |
c |
d |
e |
|
ppm nitrate |
lb N/acre |
N required (100 - b) |
Kind of fertilizer to use* |
Amount of fertilizer** |
|
1 |
25__________ |
_______________ |
__________________ |
__________________ |
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2 |
10__________ |
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__________________ |
__________________ |
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3 |
25__________ |
_______________ |
__________________ |
__________________ |
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4 |
5__________ |
_______________ |
__________________ |
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Results of Phosphorus Test
Soil |
Test Result |
Amount of Fertilizer to Raise Fertility to 100 lb P205/acre |
a |
b |
c |
d |
e |
|
ppm P |
lb P2O5/acre |
P2O5 required (100 - b) |
Kind of fertilizer to use* |
Amount of fertilizer** |
|
1 |
_1.0________ |
_______________ |
__________________ |
__________________ |
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2 |
_0.5________ |
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3 |
_5.0________ |
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4 |
_2.5________ |
_______________ |
__________________ |
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Results of Potassium Test
Soil |
Test Result |
Amount of Fertilizer to Raise Fertility to 200 lb K20/acre |
a |
b |
c |
d |
e |
|
ppm K |
lb K2O/acre |
K2O required (200 - b) |
Kind of fertilizer to use* |
Amount of fertilizer** |
|
1 |
_5__________ |
_______________ |
__________________ |
__________________ |
___________________ |
2 |
_0__________ |
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__________________ |
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3 |
_20_________ |
_______________ |
__________________ |
__________________ |
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4 |
_20_________ |
_______________ |
__________________ |
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Produced and maintained by Allen Barker
University of
Massachusetts, Amherst.
last updated - October 8, 1999