农学 >>> 农学总论 作物学 园艺学 土壤学 植物保护学 农药学 林学 畜牧学 兽医学 水产学
搜索结果: 1-11 共查到农学 hardwood相关记录11条 . 查询时间(0.125 秒)
The aim of the present study was to analyse the impacts of different logging intensities after five years from logging including non-logged, low (3.4 felled stems per hectare), medium (5.2 felled stem...
Floodplain forests have traditionally been managed using the coppice-with-standards silvicultural system for centuries. After abandoning this silvicultural system approximately in the 1950s the crown...
Attitudes regarding traditional energy sources have shifted toward renewable resources. Specifically, short-rotation woody crop supply systems have become more prevalent for biomass and biofuel produc...
Unlike fire or insect outbreaks, for which a suppression program can be implemented, it is impossible to prevent a windstorm event or stop it while it is occurring. Reducing stand susceptibility to wi...
This study was conducted to investigate the effects of different IBA doses on rooting capacity of Cherry laurel (Prunus laurocerasus L.) types in greenhouse conditions under mist propagation unit in 2...
This study was carried out through the two successive seasons of 1999 / 2001 and 2000/2001 in seram house at the nursery of Agriculture, Cairo University, Egypt. Bitter almond hardwood cuttings were ...
This investigation was conducted to evaluate the effects of a range of indole-3-butyric acid (IBA) concentrations (1000, 2000 and 4000 ppm), two strains of Agrobacterium rubi (A-18) and Bacillus sub...
A group of independent small businesses in the area of Quesnel, British Columbia—including logging contractors, sawmillers, and forest industry members—formed the Quesnel Hardwood Co-operative in 199...
In this study, the rooting abilities of hardwood cuttings from ten rose-hip types collected in Gümüşhane in 1994-1995 were evaluated. The cuttings, taken in November, December and January, were ...
This study was conducted to evaluate the effects of a range of Indole-3-butyric acid (IBA) concentrations (250, 500 and 750 mg 1-1) alone and in combination with three strains of Agrobacterium rubi (A...
The effects of 1 H-indole-3-butyric acid (IBA) and cutting date on the rooting of semi-hardwood cuttings from the kiwifruit (Actinidia deliciosa A.Chev.) were investigated. In rooting experiments 0, ...

中国研究生教育排行榜-

正在加载...

中国学术期刊排行榜-

正在加载...

世界大学科研机构排行榜-

正在加载...

中国大学排行榜-

正在加载...

人 物-

正在加载...

课 件-

正在加载...

视听资料-

正在加载...

研招资料 -

正在加载...

知识要闻-

正在加载...

国际动态-

正在加载...

会议中心-

正在加载...

学术指南-

正在加载...

学术站点-

正在加载...