Jiangsu Apollo Compound Fertilizer Co., Ltd. has more than 1,000 employees/kloc-0 and 80 middle and senior technicians, with total assets of more than 500 million yuan and an area of more than 400 mu. The production capacity has exceeded 6.5438+0.0000 tons, and the products form two major production processes, namely, double towers and ammoniation, covering nearly 100 varieties in four series of urea-based, sulfur-based, chlorine-based and nitro-based, and are suitable for all-weather crop special fertilizers in different soils, different crops and different seasons.
2. Bata
Shenzhen Batian Ecological Engineering Co., Ltd. is an environmental protection high-tech enterprise integrating scientific research, production and sales, mainly producing compound fertilizer, controlled-release fertilizer and green ecological fertilizer, and developing and utilizing industrial and agricultural wastes to turn waste into fertilizer, which is a national leading enterprise in scientific and technological innovation. Its products include four series 100 varieties, which can effectively improve the internal quality of agricultural products and protect the ecological environment.
3. Hong Ri A Kang
Shandong Hongri Akang Chemical Co., Ltd.' s leading products "Sunny Day" and "Dongfanghong" brand potassium sulfate compound fertilizer were jointly named as "National Key New Products" by the State Bureau of Technical Supervision and other five ministries, and passed the ISO900 1 international quality system certification in the same industry.
4. Jin Yimeng
Jin Yimeng Group is one of the top 500 chemical enterprises in China, the top 500 competitive enterprises in China, the top 100 chemical manufacturing enterprises in China and the best honest enterprise in China. Jin Yimeng Group has been recognized as a key high-tech enterprise in the national torch plan, a provincial technology development center, an ISO900 1 quality system certification enterprise and a leading enterprise in the national acetate production industry.
5. Lubei
Shandong Lubei Enterprise Group Company has more than 5,000 employees, fixed assets of 20 billion yuan and annual sales income of 20 billion yuan, ranking among the top 500 Chinese enterprises. The company attaches great importance to technology research and development and the construction of science and technology system, and has obtained more than 100 major scientific and technological achievements and more than 20 national invention patents. The company has passed ISO900 1 quality management system certification and ISO 1400 1 environmental management system certification.
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Application method of compound fertilizer:
Compound fertilizer has a long action time and is suitable as base fertilizer. Generally, the dosage per mu is 30 to 40 kilograms. Don't use compound fertilizer for seedling stage fertilizer and middle and late stage fertilizer to prevent greed and cheapness and waste time.
Compound fertilizer decomposes slowly. For the crops that use compound fertilizer as base fertilizer when sowing, the available nitrogen fertilizer should be supplemented in time according to the fertilizer demand law of different crops to meet the nutritional needs of crops.
The concentration of compound fertilizer varies greatly, so attention should be paid to choosing the appropriate concentration. Most compound fertilizers are formulated according to the excellent average nutrient ratio of soil types in a certain area and the fertilizer requirement of bulk crops.
There are high, medium and low concentration series compound fertilizers on the market. Generally, the low concentration of total nutrients is between 25% and 30%, the medium concentration is between 30% and 40%, and the high concentration is above 40%.
It is necessary to choose an economical and efficient compound fertilizer according to different regions, soils and crops. Cash crops generally use high-concentration compound fertilizer, which has excellent quality, less residue and high utilization rate.
Baidu encyclopedia-compound fertilizer