Organic manure and chemical fertilizers are mixed and used for organic fertilizers. Chicken manure and pig manure can be selected. However, we must pay attention to chicken manure or pig manure must be fully cooked before use, so as not to cause burning root smoked seedlings or cause diseases and insect pests and other issues. However, organic fertilizers are not suitable for continuous application and should be used in combination with chemical fertilizers. They can be mixed and flushed, or alternately flushed. Reducing the amount of chemical fertilizers Selecting all-water-soluble fast-acting fertilizers for flushing and applying water-soluble quick-acting fertilizers with high nutrient content, high content, low dosage, and high utilization rate. Under normal circumstances, each flush can be applied with about 4 to 5 kg per mu. Bio-fertilizer bio-fertilizer has many functions of dissolving and dephosphorizing potassium. Although its nutrient content is small, it can release the fixed phosphorus and potassium in the soil for vegetable absorption and utilization, and it can degrade salt and promote plant growth. The role. The selection of humic acid fertilizer humic acid fertilizer can increase the utilization of P and K and some trace elements in soil. Humic acid fertilizers have a synergistic effect on phosphorus and potassium. Based on the application of humic acid fertilizers, the amount of chemical fertilizers can be appropriately reduced, and generally it can be reduced by about 1/3. Commonly used humic acid fertilizers are nitrohumic acid, ammonium humate, sodium humate, potassium humate, diammonium dicladium, phosphated humic acid and so on.
Bulk of varicella vaccine,semi-finished products.It has good safety with low ratio in adverse reaction. And it has been exported to Bangladesh.
In 2008, BCHT successfully launched its product Varicella Vaccine, Live in China. In the following years, BCHT continuously committed to improving the product and led in 2010 removal of gelatin from adjuvant and extended the vaccine shelf-life up to 36 months which is the longest one in the world in 2011. And it has the following qualities.
Rabies Vaccine,Freeze-Dried Rabies Vaccine,Mild Rabies Vaccine,Stable Rabies Vaccine For Human Use Changchun BCHT Biotechnology Co. , https://www.ccbcht.net
In general, soil compaction and salinization are mainly due to large-scale application of chemical fertilizers and ignoring the application of organic fertilizers, which results in the decline of soil fertility and the resulting decrease in soil permeability. So you have to choose fertilizers cleverly: