蔬菜的

It has set up a reliable technical assistant relation with the vegetable Institute of the National Agra.

技术人员素质较好，与中国农科院蔬菜所、北京农科院蔬菜所、天津农科院蔬菜所、承德市蔬菜所建立了可靠的技术依托关系。

The results indicated that the content of lead and cadmium in all surveyed vegetables exceeds the limits of their standards out and away, the content of zinc only in root vegetable, shallot vegetable and leaf vegetables exceeds the limit of it standard a little, and the content of cupper in vegetables is under limit of it standard.

就一铅锌冶炼厂周边蔬菜对重金属的吸收与富集进行了研究，结果表明：所有被检测蔬菜中Pb和Cd含量严重超标；根类、葱类和叶菜类蔬菜中Zn含量有所超标，其它种类蔬菜一般未超标；蔬菜中的Cu含量未超标。

Taking advantage of various research methodologies and combining theoretical analysis with practical summing-up, my proposed diesis is to discuss the general strategy of CVI from aspects of technology, policy and the development of relevant corporations.

当前蔬菜产业发展相关研究的文献较多，但以宏观技术、政策的相关研究为主，较少涉及蔬菜产业发展的核心一相关蔬菜企业生产发展实践的研究，本论文试图综合多种研究方法，实现理论透视与实践总结相结合，从技术、政策与相关蔬菜企业发展的角度全面阐述蔬菜产业发展战略。

In order to get the relationship between mental pollution in soil and vegetables and support green vegetable production, five kinds of common foliage vegetables(Lettuce Plant, Schizonepeta Tenuifolia Briq, Lpomoea aquelica, lettuce, Amaranthus hypochondriacus) were taken as experimental materials to study the correlation between the polluted vegetables and the soil of different concentration of Cd cultivated in greenhouse. The soil pollution threshold values to produce the green vegetables were analyzed.

为探求土壤重金属污染和蔬菜污染的相关性，为绿色蔬菜生产提供技术支持，该研究以郑州市常见的5种叶菜类蔬菜(油麦菜、荆芥、蕹菜、生菜、苋菜)为试验材料，采用温室盆栽土培试验方法研究了土壤不同浓度 Cd污染与蔬菜污染的相关性，并对绿色蔬菜生产要求的土壤污染阈限值进行了分析。

The conclusions are drawn as follows: the region is lacking of the social consciousness and atmosphere of non-polluted vegetable standardization production and consumption; the quality and efficiency of production is low; the marketing mechanisms for "high price and good quality" is not built yet; the systems of supervision and measure mechanisms for non-polluted vegetable is not established; extension service and industrialization governance can not be offered for the greenhouses vegetable production; the production scale and trade mark for local products need to be perfected; farmers low quality in science and technology and so on.

结果认为，主要存在着无公害蔬菜标准化生产和消费的社会意识和氛围不浓，产品质量和生产效益相对较低；蔬菜"优质优价"的市场机制还未建立，蔬菜质量监督检测机构尚未形成；日光温室蔬菜无公害标准化生产的推广服务体系尚未建立，产业化组织机制发育不健全；日光温室蔬菜生产规模小，品牌产品缺乏；农民文化水平偏低等五个方面的制约因素。

Main obstacle reasons in soil of succession planting vegetables in protected cultivation were reviewed from soil maleficent microorganism increment, soil-borne diseases and insect pests to aggravation, soil nutrient imbalance, soil hypo-salinization, soil acidification and plant autotoxicity.

0引言随着我国蔬菜生产的发展，设施蔬菜栽培面积不断扩大，由于设施栽培的特点是采用人工控制，使设施内部形成了一个特殊的生态环境，且多年连作和大量施用化肥，忽视有机肥使用等，使蔬菜生产出现了各种障碍问题，其严重影响了蔬菜生产和农民收益，并成为制约蔬菜生产可持续发展的瓶颈问题。

The results showed that the Cd contents in soil were between 0.012-0.87mg/kg in Panlian district, and 0.019-0.47 mg/kg in Salian district. There were 15%, 19% of Cd contents in soil surpassing the Ⅱgrade environment standard in Panlian and Salian district respectively.

结果表明攀莲蔬菜基地土壤镉含量在0.012~0.87mg/kg之间；撒莲蔬菜基地土壤镉含量在0.019~0.47mg/kg；攀莲蔬菜基地和撒莲蔬菜基地分别有15%和19%的土壤镉含量超过国家土壤环境质量Ⅱ级标准。

In order to develop and popularize organic-inorganic compound fertilizer for vegetablecrops, the effects of chemical nitrogen fertilizer application rate on yield and quality (nitratecontent, protein content, soluble sugar content, rough fiber content and Vitamin C content) of 4vegetables(Water spinach, Asparagus lettuce, Pak-choi, Radish)and nitrogen fertilizerutilization ration have been studied by pot experiment using ~(15)N trace technique.

中文摘要：为开发和推广蔬菜有机-无机专用复混肥，本文采用盆栽试验和~(15)N标记示踪技术探讨了化学氮肥用量对4种蔬菜(蕹菜、莴苣、小白菜、萝卜)产量、品质(硝酸盐、蛋白质、可溶性糖、粗纤维、维生素C含量)及氮肥利用率的影响，在保证蔬菜高产、优质、低污染的前提下，权衡化学氮肥用量与蔬菜产量、品质和化学氮肥利用率之间的关系，得到了4种蔬菜合理的化学氮肥用量。

But along with the social economy development, the vegetables consumption quantity is daily increased, the great scale of the greenhouse vegetables production is higher and higher day after day and a special reason is benefit actuation. It emerges one batch of vegetables types relatively sole specialized production base one after another, which causes the original cropping system to disintegrate objectively, the farmer who is engaged to run some specific vegetables production is increased day by day, the vegetables type are restricted frequently by the high production and economic efficiency fruit vegetables, the tendency of specialized production is suddenly revealed day after day, finally is causes the soil environment to worsen, the vegetables plant disease to be serious, the output to reduce, the quality and the series barrier of continuous copings to occur and the facility vegetables production further development to be cut down.

但随着社会经济的发展，蔬菜消费量的日益增加，温室蔬菜规模化生产日渐升温，加上效益驱动等原因，相继涌现出一批蔬菜种类相对单一的专业生产基地，客观上导致原有耕作制度瓦解，从事某一特定蔬菜生产的农民日益增多，蔬菜种类常常局限于生产经济效益高的果菜类，专业化生产趋势日渐突显，结果导致土壤环境恶化、蔬菜病虫害严重、产量降低、品质下降等一系列连作障碍的发生，严重威胁着设施蔬菜生产的进一步发展。

Conduct scope:The vegetable plants and sells ,Main business:The establish ment produces a programming and guides Vegetable production and e stablishes in dependent brand,the execution standardizes production,set up local vegetable sale network,push the whole area vegetable industry to turu a devepment,guide farmer to get in to an inlernational local big market,attain to amass a fortune tegether of target.

经营范围：蔬菜种植与销售。主要业务：制定生产规划，指导蔬菜生产，创立自主品牌，实行标准化生产。构建国内蔬菜销售网络，推动全区蔬菜产业化发展，引领农民进入国际国内大市场，达到共同致富的目标。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。