It is crucially important to farmers that the herbicides they use to control weeds not damage their crops.
对农民来说至关重要的是，他们用来控制杂草的除草剂不能损害他们的庄稼。
ABSTRACT: Sheep can help control weeds, but they do more than that.
摘要：羊是葡萄园中除草的好帮手，但它们的作用远远不止这些。
Control weeds growing around bean plants, but be careful not to harm the plants.
控制豆秧周围杂草的生长，但要小心，以免弄伤豆秧。
And farmers planting glyphosate-resistant crops can use just one less-toxic herbicide to control weeds.
和农民种植抗草甘膦作物可以只使用一个较低的毒性除草剂来控制杂草。
Crop resistance to herbicide had been used to control weeds comprehensively in agricultural production.
作物耐除草剂性状已经广泛应用于农业生产控制杂草。
In 1995-1996, field trials with herbicides to control weeds in rice stubble wheat field were carried out.
1996年在稻茬免耕小麦田，进行了播前和播后药剂除草试验。
Using different types of covering materials to control weeds of Zoysia lawn before seedling after sowing were carried out.
通过使用不同覆盖物对结缕草播后苗前的杂草防治进行了研究。
In 1990 ~ 1995, field trials and demonstrations with metsulfuron-methyl to control weeds in rice stubble wheat field were carried out.
本文报道了1990 ~ 1995年甲磺隆防除稻茬麦田杂草的试验研究和推广应用结果。
OBJECTIVE in order to control weeds in field and quicken degradation of soil rudimental pesticide, it is very important to produce non-public farm products.
研究目的为了控制农田杂草，加速土壤残留农药降解，生产无公害农产品是非常重要的。
Goats are valuable not just for their milk and meat, or for their ability to control weeds and help renew grasslands, or even for their ability to be gentle around children.
山羊的价值不仅体现在它能产奶和肉、帮助修复草原控制杂草，或者温和对待儿童。
Manual weeding weeding time. About 7 to 10 days after sowing, seedling emergence, seedling emergence and attention should be paid to control weeds, drill can be inter row weeds.
除草及时进行人工除草。播后约7 ~10天出苗，出苗前后应注意防治杂草，条播者可进行行间中耕除草。
That makes it easier for farmers to control weeds — they simply spray Roundup (or chemically equivalent herbicides) over their fields, and the weeds die while sugar beet plants thrive.
这让农民防控野草更轻松，他们只需在田野里撒上“抽打”（或相同化学成分的除草剂），野草就死光了而则甜菜茁壮成长。
Seven kinds of soil fumigant, 35% XianKe, 98% Basamid, 32.7% Metham_sodium, 32.7% Simeidi, 33.6% Shimeidi, 98% Dazomet and 98% methyl bromide, were tested to control weeds in tobacco seedbed.
对35%“线克”水剂、98%“必速灭”微粒剂、32 7%“维博亩”水剂、32 7%“斯美地”水剂、33 6%“适每地”水剂、98%“棉隆”微粒剂和98%溴甲烷压缩气体等7种不同土壤熏蒸剂防除烟草苗床杂草效果进行了试验。
The most environmentally benign form of agriculture appears to be "no till" farming, which involves little or no ploughing and relies on cover crops and carefully applied herbicides to control weeds.
最环保的农业生产方式似乎是“免耕”播种，这一生产方式很少或不再耕作，依赖表层植被并谨慎使用除草剂。
Farmer ants secrete antibiotics to control other fungi that might act as "weeds", and spread waste to fertilise the crop.
农民蚂蚁分泌抗生素来控制其他可能充当“杂草”的真菌，并传播排泄物来给作物施肥。
Susie: Naturally, but those inherent defences could spread to plants in the same family and produce super weeds that would require even more toxic herbicides to control.
苏西：我自然喜欢，但是那种遗传而来的防御能力可能会传给同科植物，然后生出需要更毒的除草剂才能控制的超级杂草。
Yet animals like sheep or goats eat weeds, so they can provide a biological control. Insects and other organisms can also act as biological controls.
然而，像绵羊或山羊之类的动物会吃杂草，因此它们可以起到生物控制作用。昆虫和其他生物也可以起到生物控制作用。
In some cases, no amount of herbicide has allowed farmers to gain control of weeds and farmland has had to be abandoned.
某些情况下，无论使用多少除草剂，农民也无法控制野草的疯长，这样的农田不得不放弃。
There isn't a garden fairy alive who can control those weeds!
没有一个花园仙子可以控制这些杂草！
A more common way to deal with weeds is to control them enough so that the land can be used for planting.
对杂草更为常见的处理方式是适度控制，这样土地就能用于种植。
Experts advise using two or more control methods to deal with weeds.
专家们建议使用两种或两种以上的方法控制杂草。
Triazine herbicides have been widely used to control the growth of weeds in agriculture.
三嗪类除草剂是一类被广泛应用于农业上，来控制杂草生长的除草剂。
As weeds gain resistance to glyphosate over time, more of the herbicide is required to control them.
野草过一段时期获得对于草甘膦的抗药性，因而需要更多的除草剂对野草进行控制。
The bioassay results showed that new compound P0603 could control a broad spectrum of grass and broadleaf weeds.
生物测定结果表明：P 0603是一种广谱除草化合物，对多种阔叶杂草的防除活性高于磺草灵。
Galerucella grisescens is an important natural enemy which could significantly control Polygonaceae weeds in tobacco fields.
褐背小萤叶甲是烟田蓼科杂草的重要天敌，对蓼科杂草具有良好的自然控制作用。
Galerucella grisescens is an important natural enemy which could significantly control Polygonaceae weeds in tobacco fields.
褐背小萤叶甲是烟田蓼科杂草的重要天敌，对蓼科杂草具有良好的自然控制作用。
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