农学 >>> 作物学 >>> 作物形态学 作物生理学 作物遗传学 作物生态学 种子学 作物育种学与良种繁育学 作物栽培学 作物耕作学 作物种质资源学 农产品贮藏与加工 农艺学其他学科
搜索结果: 1-7 共查到作物学 weed infestation相关记录7条 . 查询时间(0.089 秒)
Assessment of weed infestation in winter wheat, winter triticale and spring barley cultivated since year 1998 in cereal crop rotation under three technologies varying in production intensity was cond...
The 1999-2000 experiment investigated the field weed infestation, depending on the crop species (spring barley, oat, buckwheat), and weed control methods in spring barley (post-emergence harrowing, Ch...
The research was conducted in 1999-2002 at the Brody Experimental Station of the Poznań Agricultural University. The aim of this study was to determine the effect of tillage systems (conventional, red...
This paper presents a study on the effect of a 26- to 31-year monoculture on the weed infestation of two oat cultivars with and without chemical control. The 6-year study was carried out in a static ...
The aim of the present studies carried out over 1994-1998 was to define the effect of multi-year fertilisation with straw + NPK, NPK only, manure only, manure with: PK, NK, NP, NPK, NPK + Ca and no fe...
The studies were carried out on the Experimental Farm at Zawady in the years 1999-2002. A field experiment followed the field method without replications. In case of both winter and spring triticale t...
An experiment on the influence of seed rate and sowing method on sesame (Sesamum indicum L.) weed infestation, yield and yield components was conducted at Maiduguri, Nigeria, during the 2001 and 200...

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...