Frost damage to different flowers should be managed separately according to their different cold resistance:

1. Add cover. In the evening, small sheds should be placed inside the greenhouse and covered with straw curtains. At night, grass or corn stover can be added around the gree.......

In order to increase the milk production of dairy cows, it is an extremely important technical measure to feed the cows with succulent feed. It can increase the milky cow's succulent feed, including root and tuber feeds and fruits and melons. The moisture content of these feeds is gene.......

1, mechanical method

Metal brush, blade and broken piston ring can be used to remove coke. However, because this method is easy to scratch the surface of parts, it is not necessary to use abrasive cloth and steel spatula to remove coke on the precision parts. It can be removed with.......

In November in Beijing, a cold wind hits, but if you have green in your home, it will warm your heart. Among various kinds of domestic foliage plants, green radish, Pachira, and Brazilian wood are the most common. With the increasing number of flower operators, especially the southern flow.......

First, the fattening method of beef cattle: Due to the difference in natural conditions and feeding methods, there are mainly the following fattening methods:

1st and 6th month yak finishing methods;

2. The fattening method of young cows aged 12-14 months;

3. Finish.......

1 The hazards of continuous cropping of greenhouse strawberries

1.1 Long-term accumulation of pathogenic microorganisms

Continuous cultivation of strawberries on the same plot will cause significant changes in the microbial community in the soil. Suddenly, nematodes and pat.......

Bananas are native to the tropics and are not tolerant of low temperatures or frost, and can be harmed throughout the growing period. Low-temperature frost can have a serious impact on banana production, ranging from frostbite to young fruit that has just been budped, and when it is heavy,.......

High-bed net meat-raising ducks are reared in pure housing, and full-quality, high-quality feed must be supplied throughout the growth stage of the duck. Two-stage nutrition is generally used. Ducklings for the first stage (within 3 weeks of age): crude protein 20%, metabolic energy 2.8 me.......