雨强和地下孔（裂）隙度对喀斯特坡耕地养分流失的影响

姚一文,戴全厚,甘艺贤,高儒学,严友进,王玉红

Effects of Rainfall Intensity and Underground Hole (Fracture) Gap on Nutrient Loss in Karst Sloping Farmland

YAO YiWen,DAI QuanHou,GAN YiXian,GAO RuXue,YAN YouJin,WANG YuHong

表1 供试土壤基本性质

Table 1 Soil basic properties

颗粒组成Particle composition (%) 养分Nutrient 砂粒 Sand (0.02-2 mm) 粉粒 Silt (0.002-0.02 mm) 黏粒 Clay (<0.002 mm) 全氮TN (g·kg-1) 全磷TP (g·kg-1) 全钾TK (g·kg-1) 37.34 47.53 15.00 1.72±0.11 1.69±0.10 8.47±0.06