How to control Lankao saline-alkali land

Dig a deep ditch in the saline-alkali land.

Digging a deep ditch at the saline-alkali point can make the saline-alkali water flow away along the deep ditch, so that day after day, the saline-alkali land is suitable for planting crops and will be well managed.

Paulownia planted for sand control in lankao county has become an important industry in Lankao. The processed paulownia board can be used to make musical instruments and high-grade furniture, which brings rich benefits to Lankao.