| 良莠不齐 | liáng yǒu bù qí | good and bad people intermingled | |
| 不稂不莠 | bù láng bù yǒu | useless; worthless; good-for-nothing | |
| 毒莠定 | dú yǒu dìng | picloram | |
| 卫良除莠 | wèi liáng chú yǒu | to protect the good and root out the bad (idiom) |
| 1 | The "you" here refers to weeds. | |
| 2 | The transport of atrazine in soil was investigated with soil column experiments. | |
| 3 | A new dispersing agent (WPJ - A) for 38% atrazine suspension concentrates was developed. | |
| 4 | And the servants said to him: Wilt thou that we go and gather it up? | |
| 5 | As "ill weeds grow fast", so harmful things grow or spread quickly. |