Power station valves are mainly suitable for thermal power stations The power station valve is mainly applied to the pipelines of various systems of the thermal power station, and the pipeline medium is cut off or connected. "document.write('') ​†---MORE---
Straight and curved cucumber is one of the main indicators to identify the quality of cucumber, which is directly related to the economic benefits of cucumber cultivation. The emergence of cucumbers in cucumbers is caused by lack of light, low temperature and malnutrition. In addition to improving ---MORE---
Principle of grape fertilization (1) Basal fertilizer is mainly used as a supplement for top dressing; roots are mainly used for fertilization; roots are used for supplements outside fertilization; farmhouse organic fertilizer is the main factor, and chemical fertilizers are supplementary. (b) S ---MORE---
Release date: 2010-04-06 The researchers found that a high-fat "British breakfast" consisting of bacon, omelettes, sausages, beans, mushrooms, etc., helps open up the body's metabolism throughout the day, and is good for health. . But from a weight-control perspective, a high-fat ---MORE---
Shouguang Town, Tianliu Town, Changjiazhuang Village, a vegetable farmer, smashed the chicken manure on the cucumbers in greenhouses, and felt good after washing. Recently, he heard that chicken manure and biofungi are more effective after flushing, so he bought some bacteria and chicken manure an ---MORE---
First, dense inoculation increases the turbidity point of eucalyptus, and the area of ​​multiple fungal germs is large, and the mycelia can be soaked with eucalyptus in a relatively short period of time. The gas exchange between eucalyptus and the outside world mainly depends on abso ---MORE---
At present, fertilizer accounts for more than 50% of the cost of rice production in China. Excessive fertilization and irrational fertilization are the main problems in the fertilization process. Such fertilization methods reduce the utilization rate of fertilizers, waste large amounts of fertiliz ---MORE---