The artificial pollination of kiwifruit is best performed every day from 8 to 11 o'clock in the morning. Pollination is performed on female stigmas that are open on the same day and three consecutive times. The effect is better. At least three stigmas of 1 flower were given pollen to s.......
The first is to ensure that there is a suitable water supply for winter wheat, which helps to consolidate tillering before winter and promote new births; Second, it.......
The laboratory double-bottle cell waste liquid aspirator is a liquid suction product used in the cell room of the biological laboratory. Many customers will specially propose a suction pump when they purchase it. It is necessary to configure two waste liquid bottles at the .......
1. Normal corn kernels are mostly yellow-white, full of particles, no damage, no insect bites, insect infestations and moldy deterioration. Moldy corn has yellow or green, black hyphae in the visible embryo and has a loose texture and musty taste.
2. Moldy corn bran is particularly.......
1. Comparison of specific parameters of reverse osmosis membrane and ultrafiltration membrane
