田间的

The results showed: 1 Alfalfas grown for different lengths of time had considerable influence on photosynthetic characteristics of which the most important was stomatal conductance followed by transpiration rate and the chlorophyll relative content. 2 Diurnal variation in Pn and Tr had two peaks, and an obvious midday depression. 3 The net photosynthetic rate was significantly positively correlated with photosynthetic radiation, stomatal conductance, the relative chlorophyll content, and transpiration rate. The net photosynthetic rate was significantly negatively correlated with intercellular CO2 concentration.

结果表明，1生长年限对苜蓿光合特性有较大的影响，对气孔导度的影响最大，其次是蒸腾速率和叶绿素相对含量。2苜蓿叶片净光合速率、蒸腾速率日变化均呈现&双峰&曲线，有明显的光合&午休&现象。3净光合速率与光合有效辐射、气孔导度、叶绿素相对含量呈极显著正相关，与蒸腾速率呈显著正相关，与田间CO2浓度呈极显著负相关。

The control effect was 78.91%～89.89% at the rate of 600～750ml/ha during1,3,7 day after treament ,and the effect on protection the cotton buds and bolls was 79.77%～86.51% during 7 day after treatment.

田间试验表明，喹·溴乳油对第三代棉铃虫有较好的防治效果，6 0 0～ 75 0ml/hm2处理药后 1、3、7天的防效达 78 91%～ 89 89%；药后 7天的保蕾铃效果达 79 77%～ 86 5 1%。

The usage of agrochemicals was significantly negatively correlated with the fish population density in the traditional rice-fish coculture ecosystem.

本研究通过取样调查和田间试验相结合，研究了传统稻鱼系统的水稻生产过程农药的施用和病虫草害的发生。

The results showed that the rate of mating disruption was 71.1%-80.7% caused by 150-750 rubber pheromone dispersers per hm 2. The egg numbers were reduced by 79.4%-86.1%, 72.9%-84.7%, 58.3%-65.1% and 58 9% at the treatments of 750, 300-375, 120-150 and 30 rubber dispersers per hm 2, respectively. In large scale disruption demonstrations, numbers of egg masses decreased 82.4% and 73.2% at placements of 60 dispersers per hm 2 in mid season rice seeding paddy and in early season transplanting paddy, respectively.

结果表明，田间放置诱芯150～750个/hm2的迷向率为71.1%～80.7%；每公顷放置诱芯750、300～375、120～150个和 30个的迷向区卵量比对照区分别下降79.4%～86.1%、72.9%～84.7%、58.3%～65.1%和58.9%；每公顷放置60个诱芯的大面积迷向示范区中稻秧田和早稻大田卵块量分别比对照下降 82.4%和73.2%，早稻大田枯鞘丛率比对照下降70.4%。

Any more water added to soil at field capacity would drain away by gravity.

超过田间持水量的所有添加的水分的都会由于重力作用而流失。

The garlic Institute of Mechanical Technology, is part of the subordinate units, concentrated in the more than Xuhuai agricultural machinery, electrical and mechanical experts, and the many universities and research institutions, some 10 state-level annual returns for utility model patents and inventions, the Years of research developed a series of mechanical garlic, garlic peeling machine dry, garlic-valve machine, garlic field harvesting machines, the state invention patents, dry garlic is offline researchers with the Chinese company Nanjing Agricultural Machinery Institute of the Ministry of Agriculture research, The two of the latest patented technology products, the processing volume, from a net rate of injury rate on the three indicators have more breakthroughs in the dry and peeling machine output per hour breakthrough 500 kg, up to 800 kg / hour (the current market airflow Peeling machine 3 - 5 times).

本大蒜机械研究所是隶属于科技局的下属单位，集中了徐淮地区多名农机、机电专家，与全国多所大学和科研机构合作，每年申报十几项国家级发明和实用新型专利，经多年攻关研制出系列大蒜机械，其中大蒜干式脱皮机，大蒜分瓣机、大蒜田间收获机，获国家发明专利，干式大蒜脱机是公司科研人员与中国农业部南京农机研究所合作攻关，联合两项专利技术的最新产品，在加工量、脱净率，损伤率三项指标上有较大突破，使干式脱皮机每小时产量突破500kg，最高达800 千克/小时（是当前市场气流脱皮机的 3 — 5 倍）。

Using 2004-2006 consecutive field test data, analysis of the traditional way of planting the growth and development of the day lily, compared to the protection of cultivated day lily and the cultivated day lily field Hydrothermal effects and growth characteristics.

利用2004-2006年连续的田间试验资料，分析了传统种植方式下黄花菜的生长发育特性，同时比较了保护地栽培黄花菜和大田栽培黄花菜的水热效应和生长特性。

Three recombinant inbred populations,Ning894037/Alondra,Wangshuibai/Alondra and Sumai3/Alondra, were analyzed for QTLs associated with Fusarium head blight resistance by interval mapping and composite interval mapping in this study. The result showed that the major QTLs were detected on the short arm of chromosome 3B of all three resistant parents using the data of FHB resistance evaluated in greenhouse or field.

采用区间作图和复合区间作图方法对重组自交系群体宁894037/Alondra、望水白/Alondra和苏麦3号/Alondra进行了抗赤霉病QTL分析，结果表明，用在田间和温室的赤霉病抗性鉴定资料，在3个赤霉病抗源宁894037、望水白和苏麦3号的3B染色体短臂上均检测到主效QTL的存在。

Using logistic model, regression equations were established as followed: y=12.084 8/［1+exp (6.372 5-0.367 5x)］ and y=91.017 0/［1+exp （18.448 8-0.788 8x）］, which was used to evaluate the responses of maize inbred lines to head smut resistance.

采用逻辑斯蒂模型分别建立了抗、感自交系可溶性糖含量与田间发病率的一元曲线回归方程：y=12.084 8/［1+exp (6.372 5-0.367 5x)］和y=91.017 0/［1+exp（18.448 8-0.788 8x）］，以此建立了以接菌幼苗可溶性糖含量为指标的抗性评价方法，并用于未知抗性种质资源的鉴定。

Recent years, it is a trend that the expenditure of land arrangement is falling and the investment ratio of irrigation and drainage engineering and farm roads is with time.

田间道路工程是农田人工物质与能量、农产品输出的廊道，是改善农业生产条件的必要措施，并由其与林带、渠系等将农田基质划分为不同的斑块，共同形成农田景观。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐