除草

The results show that herbicidal activity is closely related to the steric and electronic properties of the 5-position of the benzene ring.

结果表明，此类磺酰脲类化合物的除草活性与苯环5位取代基的立体结构和电场性质密切相关。

A grassy backyard is fine you've got time to mow and weed, but the Berners want to spend every spare moment entertaining.

庭院如果有时间去除草的话，一个绿色的后院会很漂亮的。但是伯恩想要让每一个闲暇的时刻都用来娱乐。

Merits of economical、high efficient、betimes and so on, chemical weed control is extensivly applied.

化学除草以其经济、高效、及时等优点，在苗圃中得到广泛应用。

Soil and water conservation protective cultivation is an advanced cultivation technology that avoid cultivation or few cultivation on farmland and with stubble cover.Protective cultivation technology is an integration technology that use stubble cover,no-tillage cultivation,deep-plough with machine,and weeding with chemistry.Adopting soil and water conservation protective cultivation can reduce the loss of soil and water in northeast blackland area and improve the soil anti-erodibility.

中文摘要：水土保持保护性耕作是对农田实行免耕少耕，并用农作物秸秆残茬覆盖地表的一项先进耕作技术，保护性耕作技术是由秸秆覆盖、免耕播种、机械深松和化学除草等核心技术组成的一项集成技术，采用水土保持保护性耕作措施可以有效减少东北黑土区的水土流失，提高黑土区土壤抗蚀性。

The transposase of Ac element, the right border of Ds element and the promoter of Ubi gene were

胚性愈伤组织，对获得的18 个独立转化株的T2代植株进行了抗除草剂筛选，从141 个抗除草

4 Had the most intensive herbicidal activity. The inhibiting rate of No. 4 was 95.8%, 93.76% and 86.36% against the taproot ,caulis and the bourgeon of retroflexus L. respectively.

经HPLC分离后得到8个馏份，其中馏份4的除草活性最强，对反枝苋的种子萌发抑制率为86.36%，主根生长抑制率为95.84%，主茎生长抑制率为93.76%。

Isoproturon has been used for control of littleseed canary grass for about two decades with remarkable success.

用异丙隆防除草已有20多年的历史，防治效果十分显著。

Should undertake transforming from the following respect in the light of these phenomena: 11.1 reasonable intercrop popularize improved soil generally intercropping earthnut, soya bean, horsebean, vegetable, accomplish raise couple of the ground, photograph that use the land, in order to enhance soil fertility. 1.2 promotion give birth to grass to help advance somebody's career grown orange let it have its swing grows grass or sow grass of 100 happy event field, recycle chemistry drug weeds or cut cut down, make its cankered.

针对这些现象应从以下方面进行改造：1改良土壤1.1合理间作普遍推广间作花生、黄豆、蚕豆、蔬菜等，做到养地、用地相结合，以增强地力。1.2推广生草栽培成年柑桔园任其自然长草或播种百喜草，再利用化学药剂除草或割刈，使其腐烂。

Education Min law is measured so that tea-oil tree water extracts content bud pre-treatment long, root grows careless to barnyard grass germination percent, bine and the IC50 of the chroma in restraining of bright quality is respectively 0.22, 0.36, 0.11 with 1.19 G/mL(bright quality, similarly hereinafter), cannikin law is measured so that long to the bine, root grows bud aftertreatment to be respectively with the IC50 of bright quality 0.17, 0.05 with 1.80 G/mL, show tea-oil tree water carries content to be had to barnyard grass grass weed active.

培养皿法测得油茶水提取物芽前处理对稗草种子发芽率、茎长、根长和鲜质量的抑制中浓度IC50分别为0.22、0.36、0.11和1.19 g/mL，小杯法测得芽后处理对茎长、根长和鲜质量的IC50分别为0.17、0.05和1.80 g/mL，表明油茶水提物对稗草具有除草活性。

People who contact the water containing cercaria of blood flukes in the course of sowing, weeding, fishing, harvesting rice, fighting flood, swimming training etc.

人在播种、除草、捕鱼、割稻、抗洪救灾、游泳训练等，接触含血吸虫尾蚴的疫水，数秒钟即可受染；也可通过饮用疫水经消化道而感染。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。