黄板 (huángbǎn): yellow sticky board (pest-trap panel used in agriculture)

Meanings

1 yellow sticky board (pest-trap panel used in agriculture)
2 yellow plank

Characters

黄

Examples

菜农在大棚里挂了很多黄板诱杀害虫。

Càinóng zài dàpéng lǐ guà le hěn duō huángbǎn yòushā hàichóng.

The vegetable farmer hung many yellow sticky boards in the greenhouse to trap pests.

黄板对蚜虫特别有效。

Huángbǎn duì yáchóng tèbié yǒuxiào.

Yellow sticky boards are especially effective against aphids.

Tips

usage

黄板 most commonly refers to the sticky yellow panels (黄色粘虫板) used in pesticide-free farming — many flying pests are attracted to yellow. The word is also used generically for 'yellow plank/board' in carpentry contexts, so context disambiguates.