Table 1 Soil characteristics at the experimental Sites.

From: Effects of different intercropping systems on soil properties and tobacco yield and quality

Experimental Site

TN (g/kg)

TP (g/kg)

TK (g/kg)

HN (mg/kg)

AP (mg/kg)

AK (mg/kg)

Midu

1.68

1.10

18.33

159.97

84.13

673.08

Weishan

1.54

0.83

12.13

150.08

67.22

981.89

  1. TN: total nitrogen; TP: total phosphorus; TK: total potassium; HN: hydrolyzable nitrogen; AP: available phosphorus; AK: available potassium.