N

Year

Equation

R2

Ideal dose

(mL∙ha−1)

yE

(kg∙ha−1)

30

2015

98

*

410

0.51

2014

99

*

495

0.41

2013

97

*

475

0.38

98

*

460

0.43

90

2015

94

*

500

0.41

2014

99

*

510

0.38

2013

99

*

490

0.31

97

*

500

0.37

150

2015

99

*

525

0.41

2014

93

*

520

0.44

2013

91

*

525

0.40

95

*

520

0.42

97

*

495

0.40