- In the winter, snow-related traffic accidents have a high incidence of accidents. Even the old farmer's hands are in a headache. This reminds farmers and brothers that they must pay more attention to driving in the snow. One must pay attention to the start. When the road surface is freez…

By changing the angle of the branches, the growth force of the branches can be changed, and the strength of the branches can be weakened. Then, the ingenious retraction can completely change the problem of confinement of the orchard caused by the long main branch.

The growth of sho…

The season of spawning and hatching of Chinese mitten crabs is also the season when other species of crabs lay their eggs in the estuary and hatch. Therefore, natural crab seedlings are often prone to miscellaneous with other species, among which Tianjin thick crabs (commonly known as alfa…

Thick melons in early spring. Elizabeth, champion, new century, dense world, Zhengtian No. 1 and other varieties were selected. In mid-January, paper bag nursery was adopted in the greenhouse, soil fertilization after harvest of celery in early February, planting in mid-February, and the avera…

For winter and spring vegetables, cultivating robust plants is the center of management after planting. Robust plants help to increase the plant's own resistance to diseases and plants and its ability to produce continuous results. I believe that: after planting, temperature management…

Utilization of duck dung:

First, it is used as raw material for biogas production.

Poultry has been considered as a good raw material for biogas production. Duck manure is fermented by biogas and can not only produce cheap and convenient energy - biogas, but also the resi…

introduction

Designing circuits that operate in the real world is challenging. It is not enough to just make the circuit design meet the specification goal. It is also important to accurately predict the performance of the circuit under a certain rang…

At the entrance to the pigshed, a cement pond measuring 133 cm in length, 83 cm in width and 16.7 cm in depth was built. A 6% aqueous solution of glacial acetic acid was placed in the pond. The pigs were washed through the traps in the medicine pool twice a day for two consecutive days. Wa…

1, mushroom mushroom plate (bag) opening (bag) water spray method

After forming a waxy layer, the fungus fungus bag (disc) is used to open a kinked water when the temperature is below 22°C. The temperature of the medium and low temperature varieties is less than 18°C. It is …

The scientific name is Cnaphalocrocis medinalis Guenee, Lepidoptera. Alias ​​scraped. Distribution from the north of Heilongjiang, Inner Mongolia, south to Taiwan, Hainan, the country's rice areas. The host is mainly responsible for rice, and sometimes it damages wheat, sugar…

The selected varieties of spinach can be divided into roots, spinach, burying spinach, spring spinach, summer spinach, and autumn spinach. Therefore, planting winter spinach should use hardy varieties such as spiny seed spinach or spinach.

Soil fertigation fertilization should be s…

Tea leaves are one of the most popular foods. However, recently on the Internet, some people have hesitated to face tea eggs when they say that eating too many tea leaves can lead to iron deficiency. The expert pointed out that there is no scientific basis for this argument.

Some p…