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
),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
),DAI QuanHou(),GAN YiXian,GAO RuXue,YAN YouJin,WANG YuHong
图2. 地下孔（裂）隙度调节示意图[
O为圆心,R为半径,L为弦长
Fig. 2. Layout of underground hole (crack) regulation
O stands for center of the circle,R for radius, L for chord length
