低产

dī chǎn yóu tián

低产油田

low-output oil field

dī chǎn gēng dì

低产耕地

low-yield land

dī chǎn nóng zuò wù

低产农作物

low-yielding crop

dī chǎn nǎi niú

低产奶牛

low-yield cow

zhè piàn tián dì hěn dī chǎn

这片田地很低产。

This field yields very little.

rú hé tí gāo dī chǎn tǔ dì de chǎn liàng

如何提高低产土地的产量？

How to improve the yield of low yield land?

dī chǎn lín

低产林

low-yield forests