《管子·地员》
这里种树宜于杬、苍、杜梨和松树，种草宜于壮荆和商棘。
其木宜蚖、菕与杜、松，其草宜楚棘。
Good soil for planting trees here is suitable for zhi, cang, duli and pine trees, good soil for planting grass is suitable for zhuangjing and shangji.