Precautions and maintenance of drying equipment such as drying ovens 1. Pay attention to the correct voltage before use. Only apply the voltage indicated on the machine to avoid electric excess and make the wires run away.

2. Do not place …

In order to manage the early results of Ginkgo biloba, we must first adopt the pruning method of low-dry dwarf crowns. That is to say, a multi-rooted natural round-headed tree shape with a trunk height of 0.5-0.6 meters and the final height of the canopy below 3 meters should be used. Time…

The autumn soil preparation in paddy field is an important part of the mechanization of rice planting and lays a solid foundation for the high yield, high quality and high efficiency of rice production.

First, the specific role of autumn soil preparation

The purpose of plou…

Recently, the reporter learned from the Vegetable Research Institute of Shouguang City, Shandong Province that the two hybrid pepper varieties Zhongshou 12 and Zhongshou No. 5, which were cultivated in this hospital, have performed well after trial planting and have been unanimously approv…

Bacterial black rot is one of the major diseases of cauliflower. The disease has a wide range of hosts and can also harm various cruciferous vegetables such as cabbage, cabbage, rape, mustard and radish. Heavy ploughing, frequent rains, partial application of nitrogenous fertilizers, and s…

Ultrasonic cleaning equipment can be generally divided into general and special models.

1. The structure of the ultrasonic cleaning machine of the general ultrasonic cleaning machine generally has two forms of ultrasonic power supply and cleaning device integrated or separate layout. G…

First, the clinical symptoms of acute disease in rabbits abruptly spoiled food, increased body temperature and rapid breathing characteristics. Rabbits are lethargic and develop neurological symptoms of local or generalized muscle spasms. In some cases, paralysis can occur, especially paralysi…