The handwritten report on the past and present life of sweet potato can start from the origin and early development of sweet potato, the spread path of sweet potato, and the development process of sweet potato in China.

1. The origin and early development of sweet potato:

Sweet potato, also known as sweet potato, sweet potato, etc., originated from the Andes Mountains of South America. As early as around 7000 BC, Indians in South America began to cultivate sweet potatoes. Subsequently, sweet potatoes were brought to Europe by the Spaniards, where they were grown and cultivated. During the Wanli period of the Ming Dynasty, sweet potatoes were introduced to China and gradually became widely cultivated in China.

2. The spread path of sweet potato:

The spread path of sweet potato is mainly divided into two: one is from southeastern Asia to Japan, South Korea and other Asian countries; the other is It was introduced to China from Europe via the Philippines. In China, the planting and promotion of sweet potatoes has a lot to do with Zheng Chenggong of the Ming Dynasty. He once brought sweet potatoes to Taiwan and promoted their cultivation there.

3. The development history of sweet potatoes in China:

Since its introduction to China during the Wanli period of the Ming Dynasty, sweet potatoes have experienced a long development process in China. During the Qing Dynasty, the planting area of ??sweet potatoes continued to expand and became one of the important food crops at that time. Due to its high yield, strong adaptability, and rich nutrition, sweet potatoes have gradually become one of the favorite foods of the Chinese people. At the same time, sweet potatoes are also widely used in the production of feed, starch, alcohol and other products.

Notes on making a handwritten newspaper:

1. Planning and layout: You need to make an overall plan for your handwritten newspaper and determine the layout and layout. Proper use of space can make your manuscript look neat and orderly, and can also help readers better understand your content. You can use grid lines or diagonal lines to divide the layout to keep content neatly arranged.

2. Font selection: Choosing the appropriate font and size can enhance the readability and aesthetics of the handwritten newspaper. Generally speaking, handwritten newspaper fonts should be legible and of moderate size. For titles or key content, you can choose eye-catching fonts or larger font sizes to highlight them. At the same time, pay attention to the consistency of the font style and content to enhance the overall effect.

3. Color matching: Color is an indispensable element in handwritten newspapers. It can enhance the visual effect and attract readers' attention. When choosing colors, consider color matching and contrast to ensure your manuscript is color-coordinated and attractive. Also pay attention to the number of colors; too many colors may make the manuscript look cluttered.