摘要
为雷竹笋用林提早出笋和增加产量而进行的栽培试验结果说明：整个试验地平均产量比对照增加２４．７％，最高试验小区产量比对照增加７８．１％。整个试区的出笋期比对照提早２０～３５ｄ，最早的试验小区比对照提早５５ｄ。由于产笋量增加，出笋期提早，使更大量的鲜笋高价供应春节节日市场，平均产值比对照增加２６７．３％，纯收入增加３２１．４％，最好试验小区的产值和纯收入分别增加４９５．３％和５３１．２％。从投入产出比来看，试区平均在１：４以上，最高试验小区可达１：１２。选定的最优方案是在１１月底至１２月初施入尿素７５ｇ／ｍ￣２后，即刻覆盖竹叶３０ｃｍ厚度。
In order to raise the yield of Lei bamboo sprout and move up the season of bamboo shooting,the planting trial was carried out in Phyllostachys praecox f.prevelnalis plantations.The results showed that the mean yield of all experimental plots increased by 24.7%over the control,the highest plot increased by 78.1%over.In all experimental plots,the season of bamboo shooting was moved up 3 to 5 weeks earlier than the control,and the earliest one was 8 weeks ahead of the control.Owing to the yield of bamboo sprout increased and shooting season moved up,a vast amount of bamboo sprout could supply to the market of the Spring Festival with high price.The mean output value and pure income were increased by 267.3%and 321.4%over the control respectively.To the best one,the output value and pure income were increased by 495.3 and 531.2%respectively.The mean ratio of input to output was over 1:4 in the experimental plots and the highest one was 7:12.The best way selected in this study was that at the end of November to the begining of December,urea was applied to the upper layers of the soil at the rate of 75 g per square meter,then the bamboo forest land was covered with bamboo leaves at the thickness of 30 cm imme- diately.
出处
《浙江林学院学报》
CSCD
1994年第2期121-128,共8页
Journal of Zhejiang Forestry College
关键词
雷竹
早产
产量
效益
栽培
Phyllostachys praecox f.prevelnalis
ground cover
bamboo sprout
sprout early delivery
yield
benefit
