Multiple Choice
Assume an A horizon depth of 15 cm.A well drained silt loam soil on an Iowa farm has 3.5% organic matter which is about 5% N.Estimate the kg/ha of nitrogen that this soil horizon will make available for plant use from soil organic matter in one year (without the addition of fertilizer) .
A) 17.5
B) 88
C) 263
D) 175
E) 38
Correct Answer:
Verified
Correct Answer:
Verified
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