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Curwen, David; Kraft, George J.; Osborne, Thomas; Shaw, Byron H. / Demonstration of low input strategies for potato/vegetable production on irrigated sands
[DNR-059] (1989)

Crop productivity responses to BMPs,   pp. 6-18 PDF (4.8 MB)


Page 15

Average of replicate monitoring points.
Shallow/ U,G,P*            Year 1   Year 2   Year 3
deep                      (mg/L)   (mg/L)   (mg/L)
FIELD A
Shallow      U                  0.8      1.2      1.0
G                 27.0     14.1     20.7
B                 55.8     58.2     56.9
Deep         G                 13.7      2.9      8.2
B                 25.9     22.9     24.4
FIELD B
Shallow      U                  9.2      8.4      8.8
G                 43.6     21.0     31.8
B                 52.8     43.5     46.3
Deep         U                 17.5     18.3     17.9
G                 34.3     36.6     35.5
B                 38.9     38.6     38.6
FIELD C
Shallow      U                  9.9      5.9      7.9
G                 35.1     30.7     33.0
B                 28.0     26.8     27.4
Deep         U                 10.4      7.0      8.7
B                 22.8     22.7     22.7
G                 22.0     21.1     21.5
* First numeral in well number is the well location; second number
is the total well depth (feet).
Table12


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