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连作土壤
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  continuous cropping soil
     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。
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     The results showed that under different fertilizations,the content of available Zn in continuous cropping soil at different growth stages were higher than that in rotating of crop,while,the uptake and accumulation of Zn in soybean plant were lower than that in rotation.
     结果表明,不同生长期各施肥处理大豆连作土壤中有效Zn都高于轮作土壤,但连作大豆植株体内Zn累积吸收量却低于轮作。
短句来源
     7. Sterilizing of continuous cropping soil could effectively relieve soybean of continuous cropping hindrance.
     7.连作土壤经灭菌后可明显减轻大豆连作障碍现象,大豆幼苗健康无病,叶色正常,病
短句来源
     The Influence of Appling Organic Materials in the Continuous Cropping Soil on the Soil pH and EC Value and Microbe
     施用稻草等有机物料对黄瓜连作土壤pH、EC值和微生物的影响
短句来源
     Different organic materials such as rice straw, wood dust and pigfeces have different ingredients, which converse in different ways and exert different acts on the pH and EC value of continuous cropping soil.
     不同有机物料稻草、猪粪、锯木屑成分不同 ,入土转化过程不同 ,对连作土壤 p H、EC值产生不同的影响。
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  ofcontinuous cropping soil
     EFFECT OF CONTINUOUS SOYBEAN CROPINGON OBSTACLE FACTORS OF SOILⅡ. Correlative Analysis between Enzyme Activity ofContinuous Cropping Soil and Fertility Factors
     大豆连作土壤障碍因素研究——Ⅱ.连作土壤酶活性与肥力因素间的相关性分析
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  “连作土壤”译为未确定词的双语例句
     SOIL pH OF CONTINUOUS CROPPING SOYBEAN AND SOIL ENZYME ACTIVITY
     大豆连作土壤pH与土壤酶活性
短句来源
     Path analysis results showed that microelements(Mn,Cu,Fe),organic matter,available N and bulk density are main restricted factors of soil microflora and enzyme activity in solar greenhouse.
     通径分析表明 ,微量元素 (Cu、Mn、Fe)、有机质、速效N、容重为温室连作土壤微生物区系及酶活性的主要影响因素
短句来源
     INFLUENCE OF THE ORGANIC COMPOUNDS IN CONTINUOUS CROPPING SOYBEAN ON PATHOGENIC OF ROOT ROT
     大豆连作土壤有机化合物对大豆根腐病菌生长的影响
短句来源
     The effects of root exudates from two cultivars (S10, SRR resistant cultivar, and H25, SRR susceptible cultivar) on the variation of microflora in the rhizoplane, rhizosphere and bulk soil were studied by using the soil after planted soybean last year eliminated the residual roots and leaves.
     采用除去了残茬的连作土壤为供试土壤,检测了抗感SRR的两个品种(S10和H25)大豆根分泌物对根面和根际微生物区系的影响。
短句来源
     STUDIES ON SOIL OBSTRUCTIVE FACTORS SOYBEAN (Glycine max) CONTINUOUS CROPPING ──ⅠEffects of Succesive Soybean Planting on Characters of Soil Humus Composition
     大豆连作土壤障碍因素研究──Ⅰ、连作对土壤腐殖质组分性质的影响
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The correlation between the enzymes activities of urease, phos-phorylase, catalase, trans-ferase in different growing period and fetility factors of soil under continuous soybean cropingwere tested. These results indicated that between activities of above four kinds of enzymes andorganic carbon, and pH of soil, and among four enzymes are significantly positively correlated.Urease activaty and avaulable potassium is positively correlated, and there is negative correlationbetween urease activaty and available...

The correlation between the enzymes activities of urease, phos-phorylase, catalase, trans-ferase in different growing period and fetility factors of soil under continuous soybean cropingwere tested. These results indicated that between activities of above four kinds of enzymes andorganic carbon, and pH of soil, and among four enzymes are significantly positively correlated.Urease activaty and avaulable potassium is positively correlated, and there is negative correlationbetween urease activaty and available phosphorus. Phosphorylase activaty and available potassi-um is positively correlated. Catalase activaty and hydrolysis nitrogenous, and also availablepotassium are under positive sorrelation. It is evident that negative correlation was between cata-lase activaty and effective phosphorus. Among soil agrochemical characters, soil enzymes acti-vaties and soil fertility are related to each other. We suggest that soil enzymes activaty is the in-dex to evaluate activaties of soil-biology and soil effective fertility.

本文在几年试验研究分析的基础上,对大豆连作不同年限不同生育期中脲酶、酸性磷酸酶、过氧化氢酶、转化酶的酶活性与土壤肥力因素之间的相关性进行了研究.分析结果表明,4种酶的酶活性与有机碳、土壤pH值以及4种酶活性之间都存在着显著的正相关.脲酶活性与速效钾呈显著的正相关;与速效磷呈负相关.酸性磷酸酶活性与速效钾呈正相关.过氧化氢酶活性与水解氮呈显著的正相关,与速效钾呈正相关,与速效磷呈显著的负相关.从大豆连作土壤中4种酶活性与土壤肥力因素之间的相关性分析可以看出,土壤的农化性状影响着土壤酶活性的高低,而土壤酶活性的变化也影响着土壤有效肥力的高低,它们之间的关系是相互影响、相互制约的.由此可见,用土壤酶活性来表征土壤生物学活性和土壤有效肥力状况,并根据酶活性评价土壤肥力水平指标是可行的.

The experiment on the sterilization of soil from soybean and corn Stubble field Was carried out. The results showed that the disadvantage from soybean continuously cropping could be significantly reduced when the soil was sterilized.The soybean in sterilized soil from former soybean field growed well and produced a good yield. Furthermore, there was a better growth and yield found in sterilized soil from soybean stubble field than in that from corn stubble field. This suggests that the trouble from continuously...

The experiment on the sterilization of soil from soybean and corn Stubble field Was carried out. The results showed that the disadvantage from soybean continuously cropping could be significantly reduced when the soil was sterilized.The soybean in sterilized soil from former soybean field growed well and produced a good yield. Furthermore, there was a better growth and yield found in sterilized soil from soybean stubble field than in that from corn stubble field. This suggests that the trouble from continuously cropping soybean should mainly come from the soil biological environment produced by former soybean but not from the soil physical, chemical or nutrient environment.

用连作大豆茬土壤和玉米茬土壤灭菌后栽培大豆表明,灭菌可基本消除大豆连作土壤的不良影响,表现出大豆生长发育良好,产量提高;而且大豆连作土壤还略优于玉米土壤,据此认为前作大豆所形成的土壤生物环境乃为大豆连作障碍主要因素之一.

Effect of dynamic characteristics of soil pH under continuous soybean cropping on soil enzymes activities were studies. The results indicated that between the dynamic characteristics of soil pH and four kinds of enzymes(i.g. urease, phosphorylase, catalase and transferrase) were evidently positivein in correlation. We suggested that the dynamic characteristics of soil pH under continuous soybean cropping are main factor for influencing soil enzymes...

Effect of dynamic characteristics of soil pH under continuous soybean cropping on soil enzymes activities were studies. The results indicated that between the dynamic characteristics of soil pH and four kinds of enzymes(i.g. urease, phosphorylase, catalase and transferrase) were evidently positivein in correlation. We suggested that the dynamic characteristics of soil pH under continuous soybean cropping are main factor for influencing soil enzymes activities. At the same time, it is also an intersect adaptation of soybean to continuous cropping on harmful soil environment.

本文对大豆连作条件下土壤pH变化对土壤酶活性的影响进行了初步研究,研究结果指出,大豆连作土壤pH变化与土壤脲酶、转化酶、过氧化氢酶、磷酸酶的酶活性之间存在着显著的正相关,表明大豆连作土壤pH的变化是影响土壤酶活性的主要因素,也是连作大豆对不良环境的交叉适应

 
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