After heavy rain, many fruit trees are seriously damaged, and long-term accumulation of water in the later period will lead to yellow leaves and weak tree vigor. In severe cases, dead trees will be caused, and a large number of bacterial sources will be hidden in the leaves and phloem. Man.......

There are more than 1,700 FDA medical device catalogues in the US. Depending on the level of risk, the FDA divides medical devices into three categories (I, II, III). The risk level increases step by step, and the category III risk level is the .......

The day is in the morning, breakfast is also the most important meal in three meals a day, but many people are not aware of the importance of breakfast. The Nutritional Big Data and Health Branch of the Chinese Nutrition Society released the “Report on the Investigation of the Dieta.......

Choose a land with a convenient transportation, no pollution source, flat terrain, energy irrigation and drainage, sheltered wind, sunny soil, deep soil, and fertile soil, and a loam or sandy loam soil with a PH value of 4.5 to 7.5 (preferably 5.5 to 6.5). Generally, there.......

The main purpose of scraping the bark of fruit trees is to scrape off the pests or germs hidden in the bark, to achieve the purpose of controlling pests and diseases and rejuvenating the tree. However, because many people do not master the technical essentials, the effect of scraping the b.......

Sugarcane is suitable for planting in winter. The autumn rainwater accumulated in the soil has not been evaporated a lot. It is beneficial to the sugarcane sprouting on the hillside without irrigation conditions. The winter ground temperature is higher than the temperature, the winter suga.......

Also in the spring of the year, many fruit farmers have begun to prepare for the early spring fruit trees. In order to prevent the production from being reduced due to improper operation, some precautions are now introduced to the farmers:

1. The role of the bud should be clear: th.......

1. Time scraping rough skin can be carried out in the dormant period of fruit tree deciduous to pre-emergence.

2. Object old trees, premature aging trees and young trees with old skins need to be scraped.

3. The part where the part needs to be scraped is the main part of th.......

The purpose of winter orchard pruning is to produce high quality and high quality in the coming year, but if the pruning method is not correct, it will not increase production, but also endanger the normal growth of fruit trees. Here are some common mistakes made during winter plastic prun.......

Cell: Another protein target that can't be made into medicine is expected to be overcome!

August 02, 2018 Source: Academic Jingwei

Researchers have developed a new "dopamine fluorescent probe" to help precision medicine

July 27, 2018 Source: Xinhua Author: Wei Mengjia

One is to choose a drop-free film. The use of a non-drip film can reduce the amount of water accumulated on the surface of the film, and is conducive to light transmission and temperature increase in the shed.

The second is to cover the mulch. Since the mulch film is not permeable,.......