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2004年,我局在石门乡许台流域治理示范区魏岔村山地开始四倍体刺槐引种栽植试验,通过两年多的观察和记录,现将引种栽植试验情况分析如下: 一、试验开展情况 (一)观察时间:2004年4月15日至 10月15日及2005年4月15日至10月 15日,每隔30天调查一次。 (二)观察内容:主要以观察栽植饲料型和兼用型两个品系苗木的生长高度、产叶量和径生长规律为主。将影响苗木生长的气象因子、立地条件以及加强苗木管理
In 2004, our bureau started the tetraploid Robinia pseudoacacia planting and introduction experiment in the mountainous area of Weicha Village in Shitai Township Xuchang Basin Demonstration Zone. After more than two years of observation and record, the situation of introduction and planting test is as follows: (A) Observation period: From April 15 to October 15, 2004 and from April 15 to October 15, 2005, the survey is conducted every 30 days. (B) of the observation: mainly to observe the planting of feed-based and dual-use two strains of seedlings height growth, leaf yield and diameter growth-based. Meteorological factors that will affect the growth of seedlings, site conditions and seedling management