Reasonable choice of fertilizers for greenhouse vegetables

In the fertilization of vegetables, nitrogen, phosphorus and potassium compound fertilizers, diammonium phosphate, urea, ammonium bicarbonate, potassium sulfate, and fertilization are generally used; vegetable compound fertilizers and organic-inorganic compound fertilizers are actively selected. In order to enhance the activities of beneficial microorganisms in the rhizosphere of crops, improve soil physical and chemical properties, and adjust crop nutritional balance, we recommend the use of supplementary fertilizers such as amino acids, humic acids, bio-organic compound fertilizers, and microbial fertilizers, such as rhizobia and phosphorus bacteria. Fertilizer, compound microbial fertilizer and so on. At the same time, we encourage the use of slow/controlled fertilizers with added nitrification inhibitors to prevent leaching and volatilization of chemical fertilizers. Remind farmers to avoid using chlorine-containing fertilizers (such as ammonium chloride) or nitrate nitrogen fertilizers (such as ammonium nitrate).

Classification of testing reagents on the market:

1. Nucleic acid detection reagents((2019-nCoV) Nucleic Acid Diagnostic Kit) are medical reagents, with high accuracy and high price. The throat takes liquid samples for testing. It takes 2 hours to produce the results. It requires professional equipment. The professionalism is high. The compliance rate is 97%. Degrees of preservation, dry ice transportation! Suitable for hospitals, government agencies!

2. Antibody Detection Reagents(COVID-19 IgM/IgGAntibody Detection Kit) are civilian detection reagents that need instrumental assistance. The accuracy is average. The blood test can produce results in 15-30 minutes. It is fast and simple, and the price is low (about 8.5 US dollars). It is shipped at room temperature! Suitable for civilian use

3. Colloidal gold,test kits(Colloidal Gold COVID-19 IgM/IgG Detection Kit), civil reagents, blood tests, pregnancy test papers, no instruments required, fast results in 5 minutes, a few minutes, 8 US dollars each! Normal temperature transportation.

Nucleic Acid Diagnostic Kit

Pcr Instrument,Antibody Detection Kit,Antibody Detection Reagents,Nucleic Acid Diagnostic Kit

Guangzhou Zhongzhinan Supply Chain Co.,Ltd. , https://www.gzzhongzhinan.com