Table 2 Percentages of hydrophilic (HIL) and hydrophobic (HOB) C in humic acid extracted from microaggregates (150–250 µm), determined by high performance liquid chromatography.

From: Sub-micron level investigation reveals the inaccessibility of stabilized carbon in soil microaggregates

 

Hydrophilic[HIL]

Hydrophobic[HOB]

HIL/HOB ratio

%

NTR

59.8

40.2

1.5

CTR

71.3

28.7

2.5

  1. NTR represents no-till, complex crop rotation. CTR represents conventional till, complex crop rotation.