Product News
- It’s time to fertilize trace element fertilizer to cherryAutumn is the peak time for growth of fruit’s root, and it’s also the critical period for nutrient accumulation. NPK fertilizer is needed as well as the zinc sulfate and ferrous sulfate and so on trace element fertilizer.Product News April 14, 2016
- How to fertilize the base fertilizer for garlicGarlic has fibrous root like chord, and bulbus grow and expand in the soil, so it has poor ability for absorbing water and fertilizer. So we should cultivate it in the loose soil, with good water draining and abundant organic fertilizer.Product News April 14, 2016
- How to prevent crops from manganese deficiency?China and India are main counties of grain production, and how to plant crops well has become an international issue. Now, manganese (manganese sulfate) deficiency occurs frequently in some areas. Following are some information and tips on how to prevent crops from manganese deficiency.Product News May 06, 2016
- Proposal card on how to fertilize crops wellFarmers fertilize their crops blindly in domestic, manganese sulfate, which not only makes no effectives but caused a large number of fertilizer waste.Product News May 05, 2016
- The symptoms of excess micro-element fertilizer on cropsIn previous essays, Rech chemical Co., LTD. reminds you that choose the right fertilizer and do not use too much. Or it will lead to crop poisoning symptom. Now, here Rech Chemical explains the symptoms of zinc sulfate, manganese sulfate and magnesium sulfate as examples for you.Product News November 23, 2016
- The source of ferrous sulfateFerrous sulfate, also known as green-vitriol, is the main byproduct in titanium pigment production with sulfuric acid method. According to different mines, every ton of titanium dioxide would usually brings ferrous sulfate heptahydrate 2.5 ~ 4t. With these byproducts as raw materials, Rech Chemical Co. Ltd makes ferrous sulfate. For manufacturers, comprehensive utilization can make profits. Otherwise, there’re would be a trouble to dispose large amount of ferrous sulfate.Product News September 28, 2016
- How to reduce the hexavalent chromium content in cement?Hexavalent chromium will cause a serious bad symptom to humans, making it difficult to cure the pain which perishes a dermatitis or eczema.In recent years, the pollution problem of hexavalent chromium has attracted people’s great attention. The cost of treating industrial waste slag contains hexavalent chromium is very expensive, and secondary pollution can be caused easily too, If it can be used in cement production, both the environmental pollution and the cement productive cost will be reduced. However, the problem of hexavalent chromium also introduced to cement industry accordingly. So how to reduce the Hexavalent chromium content in cement?Product News March 30, 2016
- The application of zinc sulphate in alkaline-slag cement manufacturing"Flotation" is an effective mineral separation technique according to the different physical and chemical qualities of mineral particle surface. In lead-zinc flotation, zinc sulphate is used as inhibitor.Product News October 04, 2016
- Why zinc sulfate appeared the phenomenon of agglomeration?We, Rech Chemical Co. Ltd often received some questions like this: why zinc sulfate appeared the phenomenon of agglomeration? Please check the common reasons are as follows:Product News October 04, 2016
- The necessary micro-fertilizer skills offeredSummer is the season to eat watermelons, famers all want to have a good harvest before summer. However, if you want the watermelon grow better, besides water to manage, fertilizing is also essential. Common water of zinc sulfate micro-fertilizer watermelon yield and quality is very good. The following practical skills are shared by farmers.Product News November 09, 2016