Fig. 6 Thin section of root channel in Gray Lowland paddy soils: (a) 50 cm in depth; and (b) 20 cm in depth. Each photograph has a side length of 0.48 mm
Fig. 6 Thin section of root channel in Gray Lowland paddy soils: (a) 50 cm in depth; and (b) 20 cm in depth. Each photograph has a side length of 0.48 mm