What is April's nickname?

Poems about farmers' hard work include:

1, there is less leisure at home, and people are twice as busy in May. In the evening, the south wind rises and the wheat turns yellow.

2. In the middle of the night, the children were screaming and plowing, and the cows could hardly walk. When people don't know the hardships of farmers, they will say that Tanaka was born.

3, return to the scene, drinking water and thinking of the source. Hunger is not self-suffering, but joy.