For Qiao Jiangnan, who has announced a high profile announcement several years ago, the past month has been “Black Septemberâ€. Following the September 2nd visit to Qingdao, the "dead fish for live fish" was exposed. On September 17th, aft.......
The application of decomposed organic fertilizer, calcium fertilizer at the base is generally combined with 2,000 to 3,000 kilograms of decomposed organic fertilizer applied per acre of cultivated land, and then added 30 to 50 kg of superphosphate.
Zinc is one of the necessary trace elements in rice growth and development. Zinc deficiency in rice shows obvious symptoms. Zinc is deficient in zinc, first appeared in the middle lobe of the lower leaf, chlorotic yellow and white spots, reddish-brown spots and irregular plaques on the upper p.......
Recently, several dairy listed companies have issued the 2011 interim report. According to the report, in the first half of 2011, Yili's sales revenue was 18.869 billion yuan, net profit attributable to shareholders of the parent company was 816 million yu.......
The phenomenon of mildew in Chinese medicine is very serious. According to the survey, the contamination rate of commercially available pieces of Chinese herbal medicine is 97.6%. The amount of pollution is between 510 and 3.55105, with an annual average of 3200/g. The average concentration of.......
The first is the seasonal customs: The general crickets are generally introduced from mid-May to mid-June when the temperature is normal and the temperature is maintained above 25°C. At this time, the hibernation crickets have already passed out and have survived the "Chun Deguang Pass.......
Every year from September to October is the golden season for breeding sheep. The gestation period of goats and sheep is generally about 151 days. At this time, lambs are mated to the next 2 to 3 months. When the weather is getting warmer, both large and small sheep can eat fresh grass. At the.......
Bran contains a large amount of dietary fiber, can prevent and treat many diseases, such as inhibiting the occurrence of colorectal cancer, preventing diabetes, high blood pressure and so on. Using bran as raw material to extract dietary fiber and processing it into a .......
Application of horizontal reactor in the treatment of laterite ore by pressurized acid leaching method 1. Advantages of horizontal reactor The horizontal multi-chamber magnetic reactor is a chemical reaction equipment for intermittent operation of multi-chamber reaction, and its reaction medium.......