Grain fields

Wheat

Maize

Shoot

Root

Shoot

Root

Harvest index

0.4

0.5

Biomass (kg/ha)

9987

955

12815

939

TOC (g/kg)

458

330

382

272

TN (g/kg)

6.12

6.34

9.02

10.02

C/N

74.8

52.1

42.4

27.1

Straw (kg/ha)

3995

6407

C in straw (kg/ha)

1828

2450

C in root (kg/ha)

315

255

RD (kg/ha)

205

166

C input (kg/ha)

2347

2871

Total C input (kg/ha)

5218