Soil traits

Unit

2013

2014

Soil depth

cm

0 - 30

0 - 30

EC

dS・m−1

0.68

0.62

pH

-

7.8

7.6

Organic matter

%

1.5

1.4

N

%

0.12

0.10

P

ppm

8

9

K

ppm

140

165

Mg

mg/kg

704

680

Fe

mg/kg

33.7

29

Mn

mg/kg

8.3

7.6

Zn

mg/kg

1.2

1.4

Cu

mg/kg

3.9

3.5

Soil texture

-

Clay

Loam clay