Product News

• How long is the validity of ferrous sulphate?

  As for the ferrous sulphate monohydrate, the availability period is about one year. Dry grade ferrous sulphate heptahydrate validity is the same as monohydrate. If customers keep ferrous sulphate beyond its validity, the metamorphic would appear. How is the metamorphic of ferrous sulphate created?

  Product News September 11, 2017
• Rech Chemical teach you zinc sulfate solution to treat tobacco mosaic disease

  Some tobacco planting farmers often inquire Rech Chemical Co. Ltd for agricultural grade zinc sulfate. On the one hand, zinc sulfate can supply zinc trace elements to tobacco, on the other hand it also treat the plants’ virus. At present, zinc sulfate foliage spraying is one of the best ways to treat tobacco Mosaic disease.

  Product News October 12, 2017
• How to cure the peanuts root rot?

  The main diseases in peanuts root have: bacterial wilt, root rot and stem rot. It is all called “dead plant”. These diseases usually endangered seedlings, and it will still happened in the plant of adult stage. How to cure the peanuts root rot?

  Product News October 11, 2017
• Ferrous sulphate heptahydrate used in adjust alkaline soil PH

  Alkaline soil is also called the calcareous soil, throughout the north and northwest semi-humid, semi-arid and arid areas. From these regional provinces to customers, ferrous sulfate heptahydrate mainly used in adjust soil PH.

  Product News September 18, 2016
• Notes of foliar spraying in rainy season

  Frequent rainfall in rainy season have great influence on fruiting and sprouting that cause deficiency symptoms occur in some orchard. Moreover, compared to soil fertilizing, zinc sulphate spraying on fruit trees is more proper and necessary to supply nutrition for the fruit trees. There’re some notes when spraying for fruit trees:

  Product News September 26, 2017
• Zinc deficiency may caused by improper NPK fertilizer

  Zinc sulphate fertilized wheat generally increase 14.2% yield than such fields without zinc fertilizer. However, someone may think zinc deficiency in the soil is caused by less zinc and then continuously apply zinc sulfate fertilizer. Actually it not always be this.

  Product News September 13, 2017
• Why there is a validity day in zinc sulphate quotation?

  As a sales man, when we provide the quotation of zinc sulfate, we will state the validity of this quotation. Usually, zinc sulfate price validity is 5-7 days. Why there is validity of this product?Today, Rech Chemcial will explain for you.

  Product News September 06, 2017
• Ferrous sulphate used as coagulant in drinking water treatment

  Drinking water is general treated by various processing, such as removing impurity, deodorant, disinfection and turbidity removal, etc. Ferrous sulphate is generally used as coagulant in drinking water treatment.

  Product News August 30, 2017
• The skills of spraying micro-fertilizer

  Spraying is a form of topdressing which has the advantages of less fertilizer and high efficiency. Especially in vegetables’ later growth stage when root absorption force becomes weak, people often use this technology to spray fertilizer like as zinc sulfate monohydrate, manganese sulfate monohydrate for its obvious effects.

  Product News August 24, 2017
• Three skills to teach you how to use micronutrient fertilizer well

  Micronutrient fertilizer, also called trace elements fertilizer, include zinc sulfate, ferrous sulfate, manganese sulfate, boron fertilizer and so on. How to use these trace elements well?

  Product News June 28, 2016