1, interpretation: crops and wheat in farmland.

2. Source: Liu Qing's "Iron Wall" Chapter 1: "There are trees on the beach and crops on the beach."

Extended data:

Crop is a Chinese word, which means that traditional agronomy simply defines agriculture as planting crops.

The most popular should be some grains that people eat every day, the most popular,

That is, "five grains" are millet, millet, (large and small) wheat, glutinous rice (large and small beans) and rice; Speaking of millet, millet, wheat, millet, marijuana.

2. Make sentences:

(1.) Who doesn't feel sad to see the bumper crops swallowed up by the flood!

(2) Grandpa was a well-behaved farmer all his life.

(3) The fertile black land is covered with lush crops.

References:

Baidu encyclopedia-crops