Pesticides are important agricultural means of production and play an irreplaceable role in increasing food production, providing effective agricultural products, and increasing farmers' income. Therefore, how to select and use pesticides scientifically and reasonably is one of the knowledge th ......
Summer is a crucial period for cotton to stand up to a high yield and shape individuals with high light efficiency. Therefore, the management of cotton fields should focus on the promotion of fast-growing cotton trees, stable structures, long health care, increased branches, increased growth and st ......
For a long time, five kinds of highly toxic and high-residue pesticides, such as methamidophos, which are used by vegetable farmers, have been banned in the technical regulations of pollution-free vegetable production. Here we introduce five alternative pesticides that are banned from pesticides a ......
Chlorpyrifos is an organophosphorus insecticide with contact, stomach poisoning and fumigation. The drug has a certain systemic absorption, but the main use of chlorpyrifos contact and fumigation to kill pests. Borehole injection drug prevention and control of moths, should use chlorantraniliprole ......
Release date: 2010-08-17 According to a report by the Singapore Morning Post on the 12th, Israeli scientists have developed an "electronic nose" that allows patients with lung, breast, bowel and prostate cancer to be diagnosed by a simple breath test. The team found that the sensor t ......
The Blood Industry Blood Industry Guide business background The AABB Technical Guide has provisions for temperature: 血液 After the blood is collected, it needs to be cooled to 1-6 ° C; unless it is prepared at room temperature, it is not necessary to cool the blood to below 20 ......
Remove cylinder liner. Install the cylinder liner, if the temperature is low, the water blocking ring is easy to break. Before installation, the brittle water stop ring can be first soaked in warm water of about 60°C for 5 minutes, and the installation is not easy to break after removal. When r ......
The scientific and rational collocation of farmyard manure and chemical fertilizers can not only prevent the volatilization of active ingredients, but also significantly improve fertilizer efficiency. Human fecal urine and ferrous sulfate collocation. Add 500 to 600 grams of ferrous sulfate per 1 ......
Yogurt is best not heated. The suitable temperature for drinking yoghurt should be between 10-12°C. This temperature can guarantee the good flavor and mouthfeel of yoghurt and ensure that the nutrients of yoghurt can be fully absorbed without being damaged. Yogurt is made from high-quality fre ......
Recently, Wang Huilai of Caojing Township in Dongtai City reported that there are many mosses and aquatic plants in the pond and the transparency of the water body is relatively large. At present, the pH value of the water body is about 9.6, and it is prepared to stock the white shrimp of South Am ......