Reasonable nesting In general, there are more wild fish in adult fish ponds. They compete for food and oxygen with the main fish. In this case, if the fertile fish with higher economic value are properly set .......
1. The engine water temperature should be maintained at 85 - 95 °C. This section has the highest thermal and thermal efficiency and consumes the least amount of fuel.
2. Avoid idling or idle rotation of the engine. If you park for more than 5 minutes, you should stop.
3. Try t.......
After the lawn is not built, daily maintenance work has become an important guarantee for ensuring the lawn landscape. Many turfgrass makers have overlooked this point, making lawn landscapes unsatisfactory. The following are some basic measures for managing the lawn. Having mastered them,.......
In recent years, with the adjustment of the agricultural structure, farmers have made full use of low-grade gentle slopes and wasteland resources to develop high-efficiency agriculture on a large scale, but these plots are often difficult to self-irrigation. Need to buy water pumps to rais.......
In July, the grape is in the period of fruit enlargement and gradually matures. Within one month before harvest, it is a critical period for obtaining high quality and high yield. We must effectively grasp the management of fertilizer and water.
Timely fertilization, nutrient suppl.......
2. The custodian m.......
New process of BB fertilizer production
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Brazilian state-owned Petrobras announced on the 20th that their researchers have developed a new type of fuel blended with diesel and vegetable oils.
Petrobras launched this new product on the 20th. The company’s researchers spent 18 months testing the effects of mixing die.......