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broadleaf weeds in field
相关语句
  田间阔叶杂草
     The investigation of bio-attributes and community of broadleaf weeds in field of Harbin
     哈尔滨市田间阔叶杂草生物学特性及群落调查
短句来源
  相似匹配句对
     Studies on Broadleaf Weeds Control With Lactofen in Soyabean Field
     乳氟禾草灵防除大豆田阔叶杂草
短句来源
     STUDY ON THE ECONOMIC THRESHOLD AND CONTROL FOR BROADLEAF WEEDS IN WHEAT FIELD
     麦田阔叶杂草经济阈值及防除研究
短句来源
     The investigation of bio-attributes and community of broadleaf weeds in field of Harbin
     哈尔滨市田间阔叶杂草生物学特性及群落调查
短句来源
     THE DIVISION OF FIELD WEEDS IN GANSU
     甘肃省农田杂草区划
短句来源
     /ha provided excellent control of the broadleaf weeds in wheat and soybean field.
     /hm2剂量下对小麦及大豆田中的多种阔叶杂草有较好的防除效果。
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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)...

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。

The chemical weeding results and yield effects of early bred throw planting field are contrasted by using special weeding fertilizer and buclizine respectively. The test indicates that control effect of special weeding fertilizer is good to nutgrass flatsedge and broadleaf weed in field, while goes down at the middle and late stage . But application of special weeding fertilizer can improve percentage of earlbearing tiller...

The chemical weeding results and yield effects of early bred throw planting field are contrasted by using special weeding fertilizer and buclizine respectively. The test indicates that control effect of special weeding fertilizer is good to nutgrass flatsedge and broadleaf weed in field, while goes down at the middle and late stage . But application of special weeding fertilizer can improve percentage of earlbearing tiller by 7 6%, increase effectie spikes, raise setting percentage, realize big spikes and more grains, which can integrate weeding and fertilization into one body with saving time and labour.

除草专用肥、丁苄对旱育抛秧田化除效果及产量效应试验表明 :除草专用肥对大田早期莎草及阔叶杂草的防效较好 ;大田中后期防效有所下降。应用除草专用肥可提高成穗率7.6%,增加有效穗数 ,提高结实率 ,实现穗大粒多 ,集除草、追肥于一体 ,省时省工 ,具有广阔的应用前景

 
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