What do you mean?

As a Chinese character pronounced "Li", it is an ancient agricultural tool, which can be used to compact and level the soil, as well as to reinforce banks and dams.

I. Definition and interpretation of ""

A lawn mower is an agricultural tool, which usually consists of two long poles, and a device for compacting soil is connected between them to make hacksaws, sand carts and other agricultural tools. It is mainly used for leveling cultivated land, compacting land and strengthening borders. In ancient agricultural society, farmers often used mowing to tidy up the land, so as to improve farmland yield and soil fertility.

Second, the source of phlegm

The use of cereals originated from the ancient agricultural society and first appeared in the development of ancient agricultural tools in China. In ancient farming society, farmers made and used various farm tools themselves, among which, as a simple and practical farm tool, it was widely used.

Third, expand the content.

1 Various forms: With the progress of agricultural technology, the forms of villages are gradually diversified. In different regions and periods, people have developed various forms of farming according to local farmland conditions and needs. For example, some are composed of two wooden poles and a pressure plate, and some are composed of stones and wooden poles.

2. The uses of rice straw are extensive: in ancient agricultural production, rice straw has other uses besides leveling cultivated land and tamping land. For example, when fighting floods, it can be used to reinforce river banks and dams to prevent water impact; In road construction, it can be used to level the subgrade of the road.

3. Development and perfection: With the progress of agricultural technology, it is gradually improved and developed. Traditional hand-made barns are gradually replaced by mechanized tools, such as the emergence of agricultural tractors, which greatly improve the efficiency and quality of farmland consolidation.

Example:

1 is a traditional agricultural tool for harvesting and transporting crops.

2. The shape of the pot is usually a rectangular shelf with rollers made of logs or metal materials installed on it.

3. When farmers harvest crops, they can harvest crops by tying the straws to the roller and then pushing the roller to move.

4. Using stubble can improve harvesting efficiency, reduce the use of labor and maintain the integrity of crops.

There are many different ways to design and manufacture crops, which can meet the needs of different crops and topography.