田间的

Field trial results demonstrated that HNPC-A3066 exhibited a good control efficacy against two spot red spider, European red mite and citrus red mite, and their average control efficacy was more than 70.88%, 75.33% and 72.65%, respectively, at 1d, 3 d, 7 d and 14 d after application at the concentration of 80 and 160 mg/L, and it was safe to beneficial insects and crops.

田间药效试验结果表明，在有效成分浓度为80~160mg/L时，施药后1、3、7和14d，HNPC-A3066对棉红蜘蛛、柑桔红蜘蛛Panonychus citri和苹果红蜘蛛Panonychus ulmi的防效分别大于77.88%、75.33%和72.65%，且对作物和天敌安全。

It showed that 100 times diluted bamboo vinegar could efficiently inhibit germinating on sporangium of downy mildew of cucumber, and could control the harm on cucumber in the field.

结果表明，100倍竹醋液可以有效地抑制黄瓜霜霉病孢子的萌发，防治田间黄瓜霜霉病，其抑菌及防治效果与72%克露600倍相当。

The fungal pathogen infected stems and leaves of the host plants and caused stem rot and leaf spots, resulting in earlier defoliation and plant wilting or even death.

在田间，病原菌侵染植株的茎和叶片，引起当年移植苗发生茎腐、落叶、植株枯萎和死亡。

Among the four fungicides tested in the field, Benlate W.P. was the best one in controlling the disease either by adding to the field soil or treating the seedling soil. Simultaneously, it also showed the effectiveness in controlling the disease of rice stem rot.

田间试验结果，一般说来预防比治疗之防治效果良好，对纹枯病之防治效果以Benlate水和剂最佳，无论使用方法为灌注或秧田土壤处理皆有良好的效果，同时亦有防治稻小粒菌核病之功效。

Studies fabout mushroom derived protein amylose 0.5% soluble concentrate biopesticide on preventing rice stipe virus have been made.

要对0.5%菇类蛋白多糖水剂进行了水稻条纹叶枯病的田间药效试验。

Generation amount of rice hopper in different cultivation and its relations with rice striper,natural living pattern in field on different varieties had been observed.

文章通过研究不同栽培方式下灰飞虱发生数量及其与水稻条纹叶枯病的发生关系、不同水稻品种间条纹叶枯病田间自然消长规律。

Based on field micro-plot experiment, the effects of corn stalk and stubble remained in field on soil biochemical factors were discussed.

采用田间小区试验方法研究了玉米秸秆和根茬留田对土壤生化环境因子的影响。

Compared with the pillar subsoiler and the subsoiler with a break shovel, the traction resistance, power consumption and the width of scarification channel were reduced.

针对立柱式深松机在作业过程中存在的缠绕堵塞、牵引阻力大等问题，该研究提出在原深松铲前方加装一个松土铲或圆盘刀两套研究解决方案，研制了机具，并进行了田间对比试验研究。

The nitrogen loss way in winter wheat and summer maize was studied based on field experimental data.

根据田间试验结果对冬小麦/夏玉米轮作体系中氮素的损失途径进行了分析。

The effects of different ratio organo-inorgano-mixed nitrogen fertilizers application on nitrate contents of Chinese cabbage,swamp cabbage and tested soil were studied with plot experiment.

通过田间试验，研究了不同比例有机无机氮肥配施对小白菜和空心菜及供试土壤硝酸盐含量的影响。结果表明：有机无机氮肥比例为1∶1时，小白菜和空心菜以及土壤硝酸盐含量均为最低。

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