Release date: 2007-07-20

The government will increase supervision. The pharmaceutical industry will be more standardized and healthier. The gro…

1. The construction of pollution-free ranch pastures should be built in areas where there are no sources of pollution and the environmental indices such as air, soil and water sources all meet the standards. The farm (household) should have a quiet environment, complet…

Release date: 2007-07-19

Israel develops micro-robots for neurosurgical precision positioning Recently, researchers at the Hebrew University of…

The history of breeding for blast resistance in China can be roughly divided into four stages according to the evolution of breeding methods and the use of resistance sources: 1. At the breeding stage of the system, the most important method is the systematic breeding of individual plants …

Grass mat

Grass is laid so that the fruit does not come into direct contact with the soil and is preferably 4-6 cm in thickness and 10-16 cm in width.

2. Cover grass shade

In the late stage of pummification to the stage of fruit ripening, cover grass and shade and p…

Soybean borer is an important cutworm that harms soybeans. Its larvae are eye-catching in the soy bean pods, causing soybean breakage, affecting the quality and yield of soybeans.
Soybean bored insects occur once a year in my area, and generally the larvae in the soil in the 7th and l…

China's pear producing areas are widespread and seriously endangered. In addition to harming pears, it also harms fruit trees such as peaches, apples and apricots. Due to its hazardous nature, it was more serious in the pear orchard adjacent to Taoyuan. The larvae invade from the pods …

At the moment, cotton production areas in Shandong and Hebei have gradually entered the spring planting season. For most cotton farmers, the most troublesome thing for them is the occurrence of cotton bollworm disease. The occurrence of cotton bollworm will cause a large area of ​â…

Can the end of the planting of cotton be earlier? According to the practice of cotton sowing for many years, the lessons in this area are very profound. In fact, the use of plastic film to cover the cultivation of seedlings can also be planted in the middle and late March to cultivate cott…

In the breeding process of turtles (turtle, yellow-throated turtle, Brazilian turtle, etc.), everyone can pay attention to the disinfection of turtle ponds and water bodies, but often ignore the disinfection of feed. Experts said: fresh feed (such as fish, worms, snails, oysters, etc.) should …

The cost of edible fungus cultivation materials accounts for a large proportion of edible fungus production. If self-produced culture materials are made with gold treasure starter, the production cost of edible fungus will be greatly reduced, and priority will be given to dominating the pr…

First, only replace the plunger, nozzle, ignore the technical status of the valve. After the oil valve wears out, the residual pressure of the high pressure fuel pipe will be too high, resulting in that the fuel nozzle will not be cut off and the oil will be dripped, resulting in diesel engine…