One must determine the proportion of fertilizer. The ratio of pure nitrogen, pure phosphorus and pure potassium required for each 1000 kilograms of potato tubers was 5:2:11, and the amount of fertilizer was determined according to soil nutrients.

Second, increase organic fertilizer.......

The so-called physiological death of cucumber roots means that the amount of lateral roots and hairy roots of cucumbers is significantly reduced, and the root xylem becomes brown or rot. The apparently dead roots can produce lateral roots after recovery over a period of time. Cucumber root.......

You may have heard of all kinds of robots, but what about menstrual robots? Scientists have created such a model robot that specifically simulates the physical condition of women. It is reported that it can help scientists better un.......

Since Rambutan is a small area of ​​cultivation in China, most of them are imported, and the street is relatively rare, so many people blindly Rambutan is a species of litchi. In fact, this is two kinds of unused fruits.

The difference between rambutan and lychee

On May 8, 2017, the world's top artificial intelligence developer conference GTC (GPU Technology Conference) was held in San Jose, USA. Microsoft (Microsoft), Amazon (Amazon), Facebook (Facebook), Google (Google), Baidu, Alibaba.......

Metastasis is one of the most common causes of death in colorectal cancer. However, there has been no effective method for studying primary colorectal metastasis. Recently, researchers at the Massachusetts Institute of Technology (M.......

Seed pests should take measures as soon as possible, according to "safe, economic, effective," the principle of pest control, so that the loss is reduced to a minimum. The pest control methods commonly used in production include physical methods, mechanical methods, and chemical .......

The nature of the bird's nest is moderate, and it must be properly conditioned. After eating for a while, its nutrients will slowly infiltrate and be added to the body's needs. What are the best ways to eat bird's nest?

The best way to eat bird's nest:

1, au.......

1, the design of housing: sub-living room and outside the nest room. The Liwo Room is a place for the “wild boar” to eat and sleep. The area is about 3.5 meters long and 2.5 meters wide; the outer nest room is a place for exercise, sun exposure, and drinking water. It has a dri.......

Release date: 2015-06-15

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"Knowing genetic testing can save your life." On the stage, a middle-aged man who calls himself a scholar of Confucianism and Taoism sent his feelings to more than 100 kindergarten directors who were organized. On March 30.......