Master small
It is about to go to the Spring Festival, this should be the last issue of the Lunar New Year of the Monkey Year. In the six issues that have already been launched, we talked about the interesting agricultural “black technology†of 3D printing milk, water farm, purple cabbage, corn cup and so on. After each program is broadcast, our WeChat backstage and QQ group of Xiaoxiaohao Technology will receive a lot of feedback and questions from listeners and netizens. Here, we also thank you for your support. As soon as the end of the year, everyone will give a summary of themselves, then today, I also sorted out the issues that everyone is generally concerned about, to do a centralized answer.
problem
01. Is purple cabbage really not genetically modified?
Yao Weiqiang from Tangshan, Hebei Province, once introduced us to a particularly eye-catching Chinese cabbage that is not purple. This Chinese cabbage comes from South Korea and is made from a hybrid of purple cabbage and Chinese cabbage. It tastes sweet and is not cheap.
Yao Dao told me that after the program was broadcast, many people went to him to consult the cultivation of purple cabbage, but there were still many people worried that the cabbage was genetically modified. He felt that it was necessary to clarify this issue.
This purple cabbage is really not a genetically modified vegetable. Purple cabbage is a new variety obtained through crossbreeding. Yuan Longping's hybrid rice everyone knows that purple cabbage and its truth are similar. The so-called cross-breeding is a method of concentrating two or more varieties of good traits through mating, and then selecting and cultivating them to finally obtain new varieties.
Cross-breeding is the process of plant cells to complete the cultivation process after artificial help, and the transgenic breeding is forced by the human intervention, and the plants are passively accepted. After years of development, crossbreeding is safe and new.
problem
02, do not have problems with å•¥ 3D printing milk?
Many people have also questioned the 3D printed milk that was discussed recently. I remember that the teacher Wang Li once said that 3D printing milk is absolutely drinkable, and scholars who have done research have tried it many times. But some people still question, is this artificial milk really not going to cause problems? In order to explain this problem, I once again contacted Teacher Wang Li.
To print milk in 3D, first print the DNA sequence of the cows, then graft the sequences into the yeast, add corn sugar and other ingredients for fermentation, and finally make milk.
The most critical of these steps is the second step. 3D prints the DNA sequence of the cow, and the yeast also has its own DNA sequence. After the DNA sequences of the two are artificially combined, the protein they produce is no different from the protein in natural milk. That is to say, the reason why 3D printed milk can drink is because the protein in this milk is similar to the protein in ordinary milk.
problem
03. Where can I save my heart food?
Teacher Zhang Chuanjing from Jiangsu Peixian Wild Vegetable Research Institute introduced us to the cultivation techniques of wild vegetables that are of great concern to the world in China. Many friends asked us to inquire about this technology, especially interested in the heart-saving dishes mentioned by Teacher Zhang.
Teacher Zhang said that some farmers’ friends are already trying to save their heart food through our programs. In addition, there are still some people who want to grow and dare to plant, fearing that their home environment is not suitable for growth. Teacher Zhang also called and added to answer your doubts.
Red cabbage is a perennial wild vegetable that is highly adaptable. On the one hand, it is very resistant to low temperatures and can be grown in the northeast. In addition, it is also resistant to high temperatures, and it can grow well in Jiangsu and Guangdong in summer. The heart-saving dish is also very drought-tolerant, and planting management is relatively simple. However, it has a shortcoming that it is afraid of flooding. Therefore, when choosing a planting area, it is necessary to choose a place with a higher topography, and also do a drainage work to prevent watery weather in summer and rainy days.
Because it is more adaptable and has stronger insect-resistance ability, pesticides and fertilizers are basically not used, so the management cost is relatively low.
(Editor)
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