Chemical weed killers or natural treatments like corn gluten can suppress weed growth. Dense planting of a crop can also act as a natural control.

化学除草剂或类似玉米麸等自然手段可以抑制杂草的生长。作物密集种植也能作为一种自然控制手段。

youdao

Chemical weed killers or natural treatments like corn gluten can suppress weed growth.

化学除草剂或者自然处理方法，比如玉米麸质可以抑制杂草生长。

youdao

Two of the plants growing in the wild showed resistance to both kinds of weed killers.

VOA: special.2010.09.14

Chemical weed killers or natural treatments like corn gluten can suppress weed growth.

VOA: special.2010.08.10

remove DDT the next will be all insecticides, after that it will be all the weed-killers and the fungicides and then the fertilizers, if the hysteria prevails.

VOA: special.2009.11.10

Almost all of that came from dirt, fertilizer, bug spray and weed killers sold under brand names Scotts, Miracle-Gro, Ortho--brands it owns--and Roundup, marketed through an agreement with Monsanto.

FORBES: Magazine Article

Almost all of that came from dirt, fertilizer, bug spray and weed killers sold under brand names Scotts, Miracle-Gro, Ortho--brands it owns--and Roundup, marketed through an agreement with Monsanto (nyse: MON - news - people ).

FORBES: Organic Miracle Needed