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泡桐是我国特产的速生优质用材树种,但由于它属假二叉分枝,自然接干能力差,若管理粗放,有相当一部分树树干低矮、枝条横生,严重影响其经济价值。怎样培养高干通直无节良材?可采取以下措施: 1、平茬法 定植1～2年苗或留床苗,于冬季或早春,用利刀齐地面截断,严禁劈裂,伤口平滑,随即用土盖好。疏松根际土壤,每株施
Paulownia is a fast-growing, high-quality timber species that is a specialty of our country. However, due to the false bifurcation, the natural dry-jointing ability is poor. If the management is extensive, a considerable part of the tree trunks are low and the branches are unfamiliar, seriously affecting their economic value. The following measures can be taken: 1, stubble law planted 1-2 years of seedlings or bed seedlings in winter or early spring, cut with a knife on the ground, is strictly prohibited splitting, the wound is smooth, Then cover with soil well. Loose rhizosphere soil, each plant facilities