2 sentences

1. 若四时不忒，则五谷丰登。

   ruò sì​shí bù tè, zé wǔ​gǔ​fēng​dēng.

   If the four seasons follow their cycle without error, the harvest will be bountiful.

   Source: Dong Chinese Dictionary

2. 五谷丰登，大有之年。

   wǔ​gǔ​fēng​dēng, dà​yǒu zhī nián.

   A bountiful harvest makes for a prosperous year.

   Source: Dong Chinese Dictionary