Year

Rotation

Crop

Variety

Row Spacing

Population

N-P-K-Zn

m

plants∙ha−1

kg∙ha−1

2003

CC

Corn

NK N42-B7

0.75

86,000

215-22-0-0

Rot

Sunflower

Triumph 567

0.75

70,000

34-22-0-0

2004

CC

Corn

Laser L62-C2

0.75

86,000

215-22-0-0.6

Rot

Corn

Laser L62-C2

0.75

86,000

215-22-0-0.6