1. Seedbed preparation: The greenhouse seedlings in autumn and winter sunlight greenhouses are in high temperature and rainy season. The nursery beds should be protected against rain, ventilation, and temperature drop conditions. The seedlings that have been cultivated under the conditions of film ---MORE---
4.8 yuan / kg, in the "broken five" a month later, Shenyang's egg prices back to 5 yuan / kg or less, although still at a relatively high price, but compared with the previous period, "the egg set" a lot. Although the eleven holiday season is coming, egg prices may ---MORE---
Dalian Jinzhou New District Afforestation Technique Guidance Station has devoted many years to the research and development of forest tree breeding and breeding technology. The independently researched and developed new color-leaf plant species, the Yellowleaf Tree Breeding Project, has good exper ---MORE---
Xuwen County has a long history of planting pineapple. It is famous for its fruity and juicy flavor, crisp flesh and sweet taste. With large planting area and high yield, fruit farmers have explored a whole set of high-yield and high-quality cultivation techniques. The county pineapple test station ---MORE---
Heating principle of microwave drying equipment Microwave refers to electromagnetic waves with a frequency of 300 megahertz to 300 GHz. The water molecules in the heated medium material are polar molecules. Under the action of rapidly changing high-frequency electromagn ---MORE---
Culture of retinal endothelial cells and pericytes Isolation of retinal microvessels 1. Eyes were obtained and transported on ice. 2. Eyes were cut circumferentially 3 mm posterior to the limbus, the vitreous humor was removed, and the retina was exposed and transferred to solution of primary cel ---MORE---
Pond conditions Ponds are raised around the pond with bricks, fences, or plastic nets to increase the height of 0.5 meters to prevent swarms from escaping. The depth of the pond is suitable for 1 to 1.5 meters. It requires sufficient water, the water body is neutral or alkaline, and the water temp ---MORE---