杂草控制

The compound is thus particularly effective in controlling weeds in cercal crops and lawns.

这种化合物对于控制谷类和草坪的杂草特别有效。

In these alien weeds, Oenothera laciniata is an alien weed new to the centre of Zhejing Province, and Lactuca serriola new to eastern China.

金华市郊外来杂草的原产地主要是美洲(59％)和欧洲(22％)，应注意控制对这些原产地物种的引种栽培。

There is also a worrying trend toward ground and aerial spraying to control a highly invasive weed called sericea lespedeza, introduced decades ago to curb erosion around mines and provide forage and cover for wildlife around reservoirs.

另一个令人担忧的对象，是一种被叫做草海桐的胡枝子科植物，人类将其喷洒于地面和空中，用以控制入侵的杂草。数年前人们用它来防止水土流失，并给水库周围的野生动物提供饲料。

A landscape fabric may be used under the organic mulches to improve weed control.

阿景观织物可用于有机覆盖物下，以提高控制杂草。

The infrared-transmitting mulches provide the weed control properties of black mulch and are intermediate between black and clear mulches in terms of increasing soil temperature.

红外线透性薄膜有黑色薄膜那种控制杂草的特性，在增加土壤温度方面介于黑色与透明薄膜之间。

Remember, many organic materials such as leaves, grass clippings and chipped branches can be used as a mulch Mulches placed on the soil surface control weeds, reduce evaporation, make soil temperature cooler in summer and warmer in winter, and reduce soil erosion.

请记住，有很多有机材料，如树叶，草，剪报和插话分行，可作为地膜覆盖物放置于土壤表面控制杂草，减少蒸发，使土壤温度较凉夏暖的冬天，减少水土流失。

Those results implied that the field investigation should be started from bund toward middle of field for snail population and weed plants for eggs, and the population of golden apple snail could be managed effectively by adjusting the level of irrigation water.

从埂边向稻田中部调查螺量或从田埂杂草向稻田中部稻株调查卵量，更能代表水稻田福寿螺螺卵量的实际情况；通过调节稻田水位可以控制福寿螺的发生和危害。

The paper reviewed the progress on biological control of tree of heaven prospected the strategy in management of the weed in China.

本文对利用天敌昆虫和病原菌控制美国&杂草树&—臭椿为害的可行性进行了报道。

Plugs should be planted in rows six to 12 inches apart in inch-deep holes, Plugs should be raked and rolled, and while the plugs become established and grow together, special attention should be paid to weed control.

插头应行种植六英寸到12英寸外，深洞，插头应倾斜和钢材，虽然插头成为建立和发展起来，特别要注意的控制杂草。

Or for their ability to help renew grasslands and control wheats or weeds .

也不是因为它们能更新牧草地和控制杂草。

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。