TABLE 1: NUTRIENT REMOVAL BY CROP

 

Crop Unit                 N                 P₂O₅                        K₂O 

CORN

Grain bu                          1.00                  0.37                     0.26

Stover                             0.75                  0.15                     1.06

 Total Removed:            1.75                  0.52                     1.32

 

BARLEY

Grain bu.                        1.0                     0.4                        0.3

Straw                              0.4                     0.1                        1.1

Total Removed:            1.4                     0.5                        1.4

 

OATS

Grain bu.                       0.7                    0.25                     0.20

Straw                             0.3                    0.15                     1.25

Total Removed:           1.0                    0.40                     1.45

 

WHEAT

Grain bu.                      1.25                     0.62                    0.37

Straw                            0.57                     0.15                    0.90

Total Removed:          1.82                     0.77                    1.27