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一、前言过去栽植桐树多利用桐坑野生苗和埋根培育苗,而播种及埋条育苗由于过去技术未过关,很少采用。近几年来我区在埋条育苗方面积累了一些经验,如尉氏县边岗林场埋条育苗已有三年历史,成绩显著。埋条育苗有许多优点:①幼苗生长旺盛,一年可以长成;②母条来源较易,成本低廉;③对土壤条件要求不苛;④育苗技术简单好掌握;⑤管理容易,用工少。目前播种育苗有了大发展,播种苗当年一般不能出圃,苗干可以充分利用;加之各地都喜欢育高稈桐,这样
First, the foreword The past planted more than the use of Tong Tong Tong pit wild seedlings and root nursery nursery, and sow seedlings and buried bar technology because the past did not pass the technology, rarely used. In recent years, our district has accumulated some experience in buried barnyard breeding. For example, we have had a three-year history of breeding barbed-wire seedlings at the Beiguan Forest Farm in Weishi County, with remarkable achievements. Buried nursery has many advantages: ① seedlings grow vigorously, one year can grow into; ② parent source easier and cheaper; ③ not demanding soil conditions; ④ seedling technology simple and easy to master; ⑤ management is easy, less labor. Currently sowing seedlings have a big development, sowing seedlings that year generally can not nursery, seedlings can take full advantage of; In addition, all like to raise high stalk Tong, so