Choose the appropriate packaging method

One is the indoor cold storage method, placing the colony in the room. Careful preparation must be made beforehand. Choose a house that is free from pesticides and chemical fertilizers, clean and dark, and cover the windows with cotton curtai.......

A: The control of leaf pods on apple trees can be used to sow straw rings or tree trays and cover grasses on the trunks before winter to trap large numbers of overwintering female locusts. They are burned before the outbreak of spring in the following spring; Garden weeds eliminate early s.......

Raising the breeding rate of ewes is the key to gaining farm income. To improve the breeding rate of ewes can start from the following aspects.

The first is to select the male and female lambs of Damo lambs, which are hereditary and selected from the reserve sheep whose upper gener.......

The lack of spring is a common phenomenon in raising sheep. In the past, there was often a saying of “autumn strong, winter thin, and lack of spring”. This phenomenon was particularly prominent for grazing sheep. Now that this situation has changed, it has changed. happens some.......

Recently, American researchers have developed a new drug that can effectively protect immune cells and inhibit the spread of HIV.

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Release date: 2018-01-18

Muscle diseases such as muscular dystrophy and muscle damage manifest as muscle weakness, atrophy or fibrosis, especia.......

The washing machine is specially used for cleaning the enzyme labeling board, and is generally used together with the microplate reader. The washing machine has been widely used in the cleaning of the enzyme plate in hospitals, blood stations, health and epidemic prevention stations, reagen.......

1. Aphids are mainly Aphis gossypol Glover belonging to the order Homoptera. The birth cycle is short and the reproduction speed is fast (it cannot breed on some insect-resistant varieties). The optimum temperature for breeding is 18-24°C, and development above 25°C is inhibited. Air.......

In recent years, due to many years of heavy-grained planting and production management, the greenhouse vegetable producing areas have caused soil compaction, salinization, and accumulation of pathogenic bacteria in the soil, resulting in severe plant diseases and insect pests, reduced yiel.......

At present, the broiler raising method commonly adopted by breeders is not limited to feed, and gives light day and night, resulting in a variety of metabolic diseases, such as ascites, sudden death, and leg problems. In order to prevent the occurrence of these diseases, farmers blindly ad.......

1, strict quarantine. Chrysanthemum virus disease strains are toxins, and strict quarantine should be conducted during introduction to prevent human transmission of viruses to virus-free ar.......