片语

continuous s cropping连作

continuous cucumber cropping黄瓜连作

Vegetable continuous cropping蔬菜连作

continuous double cropping两熟连作

injury by continuous cropping连作障害

continuous corn cropping玉米连作

Continuous Ginseng Cropping Soils参后地

continuous soybean cropping连作大豆

Continuous corn cropping soil玉米连作土壤

英汉例句

• through the study on the effect of different cropping practices in the condition of continuous cropping on the root rot, the growth and yield of soybean was conducted in the 1995 and 1996.

  1996年分别在重茬条件下进行了不同耕作措施对大豆根腐病、生育与产量影响的研究。

• the epidemic factors of cucumber「s soil-borne diseases were closely related to continuous cropping years, planting areas, planting models and cultural techniques.

  影响流行因素主要有棚室连作年限，设施栽培黄瓜种植面积，种植模式和栽培措施。

• therefore, the changes of soil phenol contents in continuous cropping solar greenhouse could be one of the essential factors affecting the disease-resistance of cucumber.

  连作土壤酚类物质浓度变化是影响日光温室黄瓜抗病性的主要因素之一。

• allelopathic effect of root exudates on pathogenic fungi of root rot in continuous cropping soybean was studied by sand culture, water culture, and indoor culture experiments.

  采用砂培、水培和室内培养等试验方法研究了连作大豆根分泌物对根腐病病原菌的化感作用。

• the scientific grounds for reasonable regulating mn nutrition of soybean continuous cropping and alleviating continuous cropping barriers are recommended by the study.

  本研究为合理进行连作大豆锰营养调控，减轻连作障碍提供了科学依据。

• the results showed that radical elongation of soybean were significantly inhibited by the aqueous extracts of soybean in continuous cropping at the co.

  研究了重迎茬大豆花荚期植株地上部水浸液及其提取物对大豆种子萌发及幼苗生长的化感作用，并鑒定了有明显化感作用组分的物质。

• with the development of soybean production, the yield of soybean reduced seriously by the problem of continuous cropping and alternate cropping was becoming the key to resist the soybean production.

  随着大豆生产的发展，因重迎茬问题导致大豆减产严重，已成为制约大豆生产的关键问题。

• the kinetic characters of mo nutrition under stress caused by continuous cropping soybean were investigated by pot experiment, field experiment and chemical analysis.

  本文通过田间与盆栽对比试验及室内分析相结合的方法，研究了大豆连作胁迫下钼营养的变化特征。

• the results showed that soybean root exudates contained allelopathic compounds that inhibited seed germination and seedlings growth, and this might cause soybean continuous cropping barriers.

  表明大豆根分泌物中存在抑制大豆幼苗生长的化感物质，由此可引发大豆连作障碍。

• the continuous cropping not only decreased the species diversity, but also changed the species composition and characteristics of the community.

  桉树人工林连栽导致群落物种多样性降低，改变了群落的物种组成及特征。

• tobacco is the solanaceae crops avoiding continuous cropping. continuous cropping obstacles in the production of tobacco have become the bottleneck of tobacco development in china.

  烟草是茄科忌连作作物，烟草生产中的连作障碍问题已成为制约我国烟草发展的瓶颈。

• the results showed that, as continuous cropping years increasing, soil main fertility index increased, but the ratio of n, p and k was not rationale.

  结果表明，随着黄瓜连作年限的延长，土壤主要肥力指标明显上升，但n、p肥增加的幅度与k的比例失调；

• the results above showed that water soluble carbohydrates, amino acids and organic acids from continuous cropping soybean had significantly close correlation with root rot.

  上述结果表明，大豆连作土壤有机化合物与根腐病发生存在极密切关系，它们是根腐病严重发生的重要物质诱因。

• the autotoxidity caused by plant survivor and root exudates under continuous cropping of v…

  并分析了连作条件下，植物残体和根系分泌物产生的自毒作用。

• the kinetic characters of mn nutrition stress caused by continuous cropping soybean were investigated by pot experiment, field experiments and chemical analysis.

  本文通过田间与盆栽对比试验及室内分析相结合的方法，研究了大豆连作胁迫下锰营养的变化特征。

• the effects of undecomposable organic materials mixed with biopreparate on the physical and chemical properties of continuous cropping greenhouse soil were studied.

  研究了有机物料配合生物菌剂施入塑料大棚连作土壤后，对土壤理化性质的影响。

• objective to investigate the cause of continuous cropping obstacle of rehmannia glutinosa and screen beneficial bacteria.

  地黄种植可能导致根际细菌菌群失衡，施用有益细菌可能是解决地黄连作障碍的有效措施。

• objective to discuss the internal and external factors」 functional mechanism of ginseng continuous cropping obstacle.

  目的探讨人参连作障碍的内外在因素作用机制。

• continuous cropping soil microflora changed from bacteria type to fungi type significiently, of which ammoniation bacterium and fusarium oxysporum were main physiology groups.

  真菌数量变化一直呈线性增长。 黄瓜连作土壤由「细菌」型向「真菌」型转变，其中氨化细菌和尖孢镰刀菌分别为优势细菌和真菌生理群。

• the variation of microflora of rhizospheric and non-rhizospheric soils of soybean following main crops and continuous cropping of soybean.

  研究了正茬与连作大豆根际及非根际土壤微生物区系的变化。

• the microbial organic fertilizer can greatly prevent the continuous cropping tobacco black shank if being applied to soil without continuous cropping obstacles for a long time.

  在还没有形成连作障碍的土壤上长期施用本微生物有机肥料能在很大程度上防止连作烟草黑胫病的发生。

• effects of soybean specific fertilizer on adverse resistance of soybean in rotation and soybean continuous cropping were investigated by pot and field plot experiments.

  采用田间与盆栽试验方法研究了大豆专用复混肥对轮作、连作大豆抗逆性的影响。

• in this paper, the changes of soil microbial community by soybean continuous cropping , dominant fungi, phytotoxins produced by p. purpurogenum and it's toxicity to soybean was reported.

  本论文报道了连作、轮作大豆根际土壤微生物区系变化、土壤真菌优势类群、连作大豆根际土壤真菌优势类群紫青霉菌毒素的理化特性及其作用的研究结果。

• this paper listed relevant data to illustrate the harm of continuous cropping, analyzed the cotton and agriculture continuous cropping behavior from selective space angle by crops to replace cotton.

  但是在植棉比重越来越高的过程中，棉花连作现象也日渐突出，该文通过相关数据资料说明了连作的危害，并从棉花的替代作物可选择性空间角度分析了棉农连作行为。

• it was suggested that inoculation of p. chrysosporium had definite effect in overcoming the continuous cropping obstacle of cucumber.

  表明施入黄孢原毛平革菌剂对黄瓜连作障碍的解除具有一定的效果。

• strawberry is a kind of nutritious fruit with high economic value, but the growth of strawberry was inhibited by the continuous cropping obstacle, with the yield and the quality being decreased.

  草莓是一种营养丰富、经济价值较高的水果，但连作障碍使草莓生长发育不良，产量与品质下降，而造成连作障碍的因素种类繁多，极其复杂。