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intertill
相关语句
  中耕
     STUDY OF XQ-7 COMPOUND AND ORIVING MACHING FOR INTERTILL AND WEEDING
     XQ-7型驱动式中耕除草复式作业机
短句来源
     Being a protective tillage, the no-tillage means getting rid of not only the tillage before sowing, but also the intertill after sowing, and leaving the plant residue after harvesting.
     免耕制是一种保护性耕作制,指同一块土壤在一定年限内,不仅免除播前耕作(犁耕和深翻),也免除播后中耕,作物收获后直接将作物残茬留在土壤中的耕作方式。
短句来源
     In the paper,the stucture,principle,performance and the main work part design of XQ-7 compound and driving machine for intertill and weeding were studied.
     介绍了所设计的驱动式中耕除草复式作业机的结构、工作原理、性能参数及主要工作部件的设计。
短句来源
     Field experiments were conducted to study the effects of plastic film un-covering and intertill, mode of plantation and uniconazole spray on the growth, yield and quality of oriental tobaccos .
     通过田间试验 ,研究了揭膜中耕、栽植方式和烯效唑喷施等措施对香料烟生长和产、质量的影响。
短句来源
  相似匹配句对
     STUDY OF XQ-7 COMPOUND AND ORIVING MACHING FOR INTERTILL AND WEEDING
     XQ-7型驱动式中耕除草复式作业机
短句来源
     In the paper,the stucture,principle,performance and the main work part design of XQ-7 compound and driving machine for intertill and weeding were studied.
     介绍了所设计的驱动式中耕除草复式作业机的结构、工作原理、性能参数及主要工作部件的设计。
短句来源
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To a certain extent,both the amount of roots and the grain yield per unit acea increased with the planting density.If the planting pattern was exceedingly improper,and the root mass distributed unevenly,the roots couldnot develop well and the grain yield declined accordingly.Proper intertillage could help the new roots penetrate more deeply in soil,and thus make full use of the soil's nutrients and water.However,too much hilling in the intertillage operation was unfavouralle to the growth of aerial roots and...

To a certain extent,both the amount of roots and the grain yield per unit acea increased with the planting density.If the planting pattern was exceedingly improper,and the root mass distributed unevenly,the roots couldnot develop well and the grain yield declined accordingly.Proper intertillage could help the new roots penetrate more deeply in soil,and thus make full use of the soil's nutrients and water.However,too much hilling in the intertillage operation was unfavouralle to the growth of aerial roots and to the resistance to lodging during the later growing season.Therefore,it is desirable to intertill only two times at the early seedling stage,to facilitate the growth of either the roots in a deeper layer of earth or the aerial roots,thus ensuring high and stable yield.

在一定范围内,玉米根系的数量、干重和籽粒产量,均随密度的增加而增加。不同种植方式对玉米根系和产量均有一定影响,过于不均衡的种植方式会使田间根系分布过于不均,生长不良,从而影响地上部的生长发育和最终产量的提高。在肥沃而结构良好的土壤上,可以适当减少中耕次数,降低成本而并不影响产量;中耕培土过多,不利于气生根的发育,因而不抗倒伏。

When plant Morinda officinalis by means ofstem cutting, intertill in advance the shading crops as Manihot esculenta which create shady condition.The intertilled crops were able effectively to reduce the light intensity,lower air and soil temperature, and raise air relative moisture.An advantageous condition protected stem cutting from strogh sun and Iower moisture in the summer is created under intertilled crops.As compared with single-planting,a survival rate of stem cutting is higher 20%, leaf area,vines...

When plant Morinda officinalis by means ofstem cutting, intertill in advance the shading crops as Manihot esculenta which create shady condition.The intertilled crops were able effectively to reduce the light intensity,lower air and soil temperature, and raise air relative moisture.An advantageous condition protected stem cutting from strogh sun and Iower moisture in the summer is created under intertilled crops.As compared with single-planting,a survival rate of stem cutting is higher 20%, leaf area,vines Iongth,biomass of adventitious roots and totalling biomass of whole thicket in the inter-planting region were more. Strong light intensity is unfavourable for annual seedling of M. officinalis developing from stem cutting and they need proper shady condition.

扦插种植巴戟时,间种木茨等遮荫作物.荫蔽度约65%左右,能有效地降低气温,地温,提高空气相对湿度,创造一个插植苗度夏的良好小环境,提高插条成活率20%以上,并能促进一年生苗的生长,使之在根、茎、叶等的生物量分配比例更为合理和生长茁壮,整丛生物生产比纯种地的高34%。

This paper deals with the biological characteristics of the pathogenof ramie anthracnose(Colletotrichum boehmeriae Sawada),its occurrenceand control.Studies showed that the optimum and maximum tempera-tures for mycelial growth were 28℃ and 34℃ respectively,and the myce-lia would be killed above 55℃.The fungus could grow on PDA mediumbetween pH 4 and pH 9 with the optimum pH 6 to pH 7.Spore ger-mination required high humidity.The spores were not able to germi-nate when relative humidity(RH)was below 79.3% and...

This paper deals with the biological characteristics of the pathogenof ramie anthracnose(Colletotrichum boehmeriae Sawada),its occurrenceand control.Studies showed that the optimum and maximum tempera-tures for mycelial growth were 28℃ and 34℃ respectively,and the myce-lia would be killed above 55℃.The fungus could grow on PDA mediumbetween pH 4 and pH 9 with the optimum pH 6 to pH 7.Spore ger-mination required high humidity.The spores were not able to germi-nate when relative humidity(RH)was below 79.3% and would bekilled above 62℃.The initial inoculum soure of ramie anthracnose wasmainly from diseased plant debris.Mean dainly temperature 10-30℃,rainfall per day>10mm and RH>80% favoured the disease development.In addition,the disease severity was related with varieties,manure andfertilizers.Of the fungicides evaluated,40% WP Banzhongshuan showed thehighest activity against the disease.The concentration sprayed shouldbe from 800 to 1600 ppm a.i.At the early stage of ramie growth(plant height about 30 cm)when ramie began to be infected withthe disease,the fungicide should be used and then sprayed 2-3 timesat a 7-8 days interval.Besides,lime gave a control effect and in-creased the yield of ramie when it was dusted to fields during intertill-age practice after reaping ramie.

该文报道了苎麻炭疽病菌生物学特性、发生规律和防治研究的结果。研究表明,苎麻炭疽病菌菌丝最适生长温度28℃,最高抑制生长温度35℃,高温致死温度55℃,pH 值4—9范围内均可生长,最适 pH 值6—7;分生孢子萌发需要在高湿条件下,相对湿度低于79.3%不能萌发,高温致死温度62。C。苎麻炭疽病的初侵染源主要是田问病残体。日均气温20—30℃和相对湿度大于80%的气候条件有利该病的流行,病害的严重度与品种、肥料等有关。供试药剂中,以40%拌种双可湿性粉剂250—500倍防效最好,在麻苗高30_(cm)ra左右发病初期施药,每隔7—8天施药1次,连续施药2—3次,可获得理想的防效。此外,麻田施石灰中耕覆土有良好的防病增产作月]。

 
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