Soil Nitrates Under Manured Field

0.9

0.6

0.9

-§

61-91

May 1998

2.7

2.7

3.6

1.1

30-61

Planting

7.0

6.3

5.8

3.1

15-30

Before

17.9

16.5

16.2

13.0

0-15

 

Manure 2X

Manure 1X

    UAN      1X

  Check

 Depth cm 

 

Field Plots