81、肥田长稻，瘦田长草。
Fertilizer fields grow rice, lean fields grow grass.
82、吃山羊肉时笑嘻嘻，牧羊肉钱时哭丧脸。
He laughs when he eats goat meat and weeps when he pays for sheep meat.
83、要想多打粮，积肥要经常。
If you want to get more grain, you need to accumulate fertilizer regularly.
