保护价

guó jiā wèi hé tiáo zhěng liáng shi bǎo hù jià shōu gòu fàn wéi

国家为何调整粮食保护价收购范围？

Why did the state adjust the scope of grain purchases at a guaranteed price?

nián shí xíng àn bǎo hù jià chǎng kāi shōu gòu nóng mín yú liáng děng zhèng cè

1997年实行按保护价敞开收购农民余粮等政策。

In 1997, we started buying all surplus grain that farmers were willing to sell at protective prices.