Terrain Chief species Planting density (plant/mu) Larch, birch 220-330 Mountainous and Picea meyeri, 330-440 hilly area picea wilsonii, 40-70 chinese pine, 10-25 pinus armandi, 16-56 pinus bungeana, fir, platycladus, oak Sumac Pecan Jujube Poplar, willow, 80-150 catalpa Basin and plain Paulownia 40-70 Elm, locust tree 220-330 Remarks Species of fit for growth
pygmyism and minor, in line spacing