This new insecticide kills out most of the pests.
这种新杀虫剂消灭了大部分害虫。
Researchers believe the pests are attracted to odor changes caused by alcohol.
研究人员认为，酒精会改变从人身上散发出来的气味，而这正是害虫所喜欢的。
So if you have a mixed system, and design it very carefully, you don't need to use any pesticides to kill the pests.
因此如果你有双重系统并且合理设计的话，就没必要使用杀虫剂对付那些害虫了。
Seedlings of parsnip, carrot, beetroot and radish must fight off slugs, and weeds also need checking, hoeing them as they grow, to leave the pests nowhere to hide.
牛蒡苗、胡萝卜苗，甜菜根苗和萝卜苗必须除蛞蝓(俗称鼻涕虫 类似蜗牛的无硬壳动物)，杂草也需要检查，发现了就要及时铲除，让害虫无处藏身。
Why not choose to eat the pests first?
选择吃虫子有什么不好的呢？
They had killed off the pests by wholesale.
他们大规模消灭害虫。
In those days they had to fight the pests barehanded.
那时候他们得赤手空拳和虫害作斗争。
Farmers use chemicals and sprays to get rid of the pests.
农民使用化学药品和喷剂来杀虫。
Analysis was done on the formation of each fauna, the fauna features and nutrition of the pests.
对害虫区系的形成原因、各区的区系特征及其害虫的营养级特征进行了分析。
"Because Australia is an island it is free of many of the pests and diseases of the world," he says.
“因为澳大利亚是一个岛国，这里没有世界其它地方出现的许多害虫和疾病，”他表示。
The cold weather is killing off mosquitos, but the pests had an impact this spring and summer on people in Michigan.
密西根州的蚊子正在寒冷的天气下渐渐死去，但这个春夏它们给这儿的人们带来了不小的影响。
Along with the change from transplanting rice to direct sowing rice, the pests and diseases also change in paddy fields.
水稻种植方式由育苗移栽改为水直播以后，病虫发生与危害也有了相应变化。
The main natural enemies of the pests on tobacco of Yunnan and their role on natural control of the pests were reviewed.
介绍了云南省烟草主要害虫天敌资源和天敌昆虫的自然控制作用。
And the species of insect pests in the city together with the insects as the pests' natural enemies hare been checked up.
初步摸清了秦皇岛市区园林害虫种类及天敌昆虫资源情况。
Because the pests prefer the taste of the trap crops, only these plants need to be sprayed, reducing the amount of pesticide use.
因为昆虫喜欢诱捕作物的味道，只有这些作物需要喷药，减少了杀虫剂使用量。
ABSTRACT: a healthy vineyard can't thrive without any protections. Let's see how the snakes eliminate the pests as a guardian in the vineyard.
摘要：一个健康的葡萄园离不开好伙伴的共同守护，一起来看看除了猫头鹰之外，蛇是怎么帮助人类消灭葡萄园里的“不速之客”的。
The eclosion stage for 2nd generation eggs is in the 8th to 15th of August, which is a best time to control the pests by chemicals, pesticides and biological control.
第二代卵孵化盛期为8月8日至15日，此时也是进行化学农药和生物制剂防治的大好时机。
The first is that the main, possibly only, transmission route is via mosquitoes, which pick up the virus from infected people and pass it on when the pests next take a meal.
第一，寨卡病毒的主要传播途径为蚊虫叮咬，即蚊子从被感染者身上获取该病毒并传染给下一个被叮咬者。
The life cycle and movement rule of familiar vegetable pests were investigated. The optimal control period was brought forward based on the developing and movement rule of the pests.
调查研究了常见蔬菜害虫的生活史、昼夜活动规律，根据害虫发育情况和活动规律提出了最佳防治时期。
The main factors affecting on the community structure and dynamics of the pests were the biological characters of pests, age of lichee tree, climates and ecological circumstance of the orchard.
害虫生物学特征、树龄、气候条件和生态环境等都是影响害虫群落结构及动态的主要因素。
The pests spread quickly in these regions.
虫害在这些地区迅速蔓延。
The pests finished off all the leaves of a pine tree.
害虫把一棵松树的叶子全吃光了。
Results The pests in floorboard were globose spider beetle.
结果调查发现危害木地板、木制品的害虫为裸蛛甲。
The pests spread quickly in these regions and there was a shortage of Labour.
虫害在这些地区迅速蔓延，劳动力又很紧张。
The pests spread quickly in these regions and there was a shortage of Labour.
虫害在这些地区迅速蔓延，劳动力又很紧张。
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