In order to allow the bullfrog to safely pass the winter, the mud can be dug in the corner of the frog pool (if it is a cement floor, it is spread on the soil about 4 cm thick), and two bricks are laid every 14 centimeters, in the two bricks. Cover the tiles with tiles and seal the back of.......
The tec.......
The latest schedule for the 2010 Advances in Cell Therapy Research and Clinical Applications Seminar has been published. This conference will be held in Tianjin Binhai from 2010.09.23 to 2010.09.25.
More than 20 experts from the National Stem Cell E.......
Prepare a nutrient soil. Fertilize the unfertilized soil and fully ferment and decompose chicken manure or large manure by sieving at a ratio of 7:3. For each cubic meter of nutrient soil, 2.5 kg of superphosphate, 0.5 kg of potassium sulfate, and 15 to 20 g of 95% mildew were added.
<.......China and Japan are the "neighbors" of a strip of water, and the two countries have a history of more than 2,000 years. Due to differences in ethnic composition, religious beliefs, political power, and economic st.......