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  broadleaf
Although the habitat composition of the core area varied greatly for individuals, a large part of the habitats used were composed of confier and broadleaf mixed forests, masson pine forests, fir forests, and shrubs.
      
The whole area was divided into ten land cover types: conifer forest, broadleaf forest, mixed forest, shrub, brushwood, meadow, farmland, built-up, water body and bare land.
      
Broadleaf species (aspen and birch) proved to have lower rates of N2O consumption compared to coniferous species.
      
The replacement of coniferous forests with broadleaf trees will double the N2O/N2 ratio in the denitrification end-products.
      
Currently, the habitat of this species is confined to mature broadleaf forests in the Right Bank Saratov Region; in the Khopyor and Medveditsa Valleys, its breeding range extends to 51°40'N.
      
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Quizalofop-ethyl 10%EC is a preventive and weeding agent treating leaves and stems of weeds of grass family in fields of broadleaf crops.Three years' successive tests on effects were made in the soybean field of the Experimental Station of Jilin Agricultural University from 1984 to 1986. Results showed, effects of prevention and weeding of qui zalofop-ethyl on weeds of grass family were above 25%. The optimum amount used under the climatic condition in the central area of Jilin Province was 125 g/ha...

Quizalofop-ethyl 10%EC is a preventive and weeding agent treating leaves and stems of weeds of grass family in fields of broadleaf crops.Three years' successive tests on effects were made in the soybean field of the Experimental Station of Jilin Agricultural University from 1984 to 1986. Results showed, effects of prevention and weeding of qui zalofop-ethyl on weeds of grass family were above 25%. The optimum amount used under the climatic condition in the central area of Jilin Province was 125 g/ha (effective composition) . Relatively ideal preventive and weeding effects were obtained when applying to weeds from 2-leaf stage to 2-till-er stage.

10%禾草克乳油属阔叶作物田中防除禾本科杂草的茎叶处理剂。我们于1984—1986年连续3年在本校农业试验站大豆田中进行药效试验,其结果表明,禾草克防除禾本科杂草的防除效果均在95%以上。在吉林省中部地区气候条件下的最佳使用剂量,可采用125g/ha(有效成分),在禾本科杂草2片叶到2个分蘖期使用,均能获得较理想的防除效果。

The weeds in fields in Hu-Lun-Bei-Er League include 49 families, 198 genera, and 348 species, including 6 subspecies, 29 varieties, and 1 form. The occurence of weeds is characterized by their abundant number of species, large number of perennials and virulent weeds, characteric population structure and their serious damage to crop production. The most dominant population are Hierochloe grabra Trin. and H.odorata Beauv., Agropyron repens(L.) P.B.and A. repens Desv.var. caesium (Presl) Schmalh and A.repens Desv....

The weeds in fields in Hu-Lun-Bei-Er League include 49 families, 198 genera, and 348 species, including 6 subspecies, 29 varieties, and 1 form. The occurence of weeds is characterized by their abundant number of species, large number of perennials and virulent weeds, characteric population structure and their serious damage to crop production. The most dominant population are Hierochloe grabra Trin. and H.odorata Beauv., Agropyron repens(L.) P.B.and A. repens Desv.var. caesium (Presl) Schmalh and A.repens Desv. var.aristatum(Doell.) Roshev., Avena fatua L. and Galeopsis bifida Boenn var. emarginata Nakai.The Control tactics are: to reduce the wheat and to expand acreage of rapeseeds, to control the perennial weeds with Glyphosate in fallow and replacement 2,4-D with MCPA, especially application the combination of Diclofop-methyl and Sulfonylurea herbicides to control wildoat and broadleaf weeds in fields of wheat.

呼伦贝尔盟农田杂草计49科、198属、348种,其中包括6个亚种、29个变种和1个变型。杂草发生特点:种类多、多年生杂草多、恶性杂草多、群落结构特殊、危害严重。主要优势群落:茅香和光稃茅香群落、匍匐冰草群落、野燕麦群落与裂边鼬瓣花群落。防治措施与策略:适当压缩小麦,扩大油菜种植面积,在休闲地应用草甘膦防治多年生杂草,用2甲4氯取代2,4-D丁酯防治小麦田杂草,发展应用磺酰脲类除草剂与禾草灵混用,以兼治野燕麦与宽叶杂草。

After the investigations for several years, it was found that the vertical distributional zones of pathomycetes in the forest plants of the Mr. Taibai,the highest peak in the Qingling Mountains, may be divided into four zones: 1) the lower mountainous and low-middle mountainous zone of leaf spots(Phyllosticta spp.) and powdery mildew on broadleaf forests; 2) middle mountainous and high-middle mountainous zone of rusts and saprogenic fungi on broadleaf forests; 3) middle-high mountainous zone of leaf...

After the investigations for several years, it was found that the vertical distributional zones of pathomycetes in the forest plants of the Mr. Taibai,the highest peak in the Qingling Mountains, may be divided into four zones: 1) the lower mountainous and low-middle mountainous zone of leaf spots(Phyllosticta spp.) and powdery mildew on broadleaf forests; 2) middle mountainous and high-middle mountainous zone of rusts and saprogenic fungi on broadleaf forests; 3) middle-high mountainous zone of leaf casts diseases (Lophodcrmium spp.) on coniferous forests; 4) high mountainous zone of lacquerspot diseases (Rhytisma spp.) on bush-woods.

我们对秦岭主峰太白山的林木真菌病害的分布规律进行了多年的探讨,结果表明,太白山林木真菌病害可划分为四个垂直分布带。即低山、低中山阔叶林叶点霉病和白粉病分布带;中山、高中山阔叶林锈病和立木腐朽分布带;中高山针叶林散斑病分布带;高山灌丛漆斑病分布带。

 
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