Water treatment agents refer to chemicals used for water treatment. Usually referred to as chemicals used for sewage treatment. Widely used in chemical, petroleum, light industry, Daily Chemical, textile, printing and dyeing, construction, metallurgy, machinery, medicine and health, transportation, urban and rural environmental protection and other industries, the main purpose is to remove suspended solids and toxic substances in water, control the formation of scale, sludge, reduce the corrosion of water contact materials, deodorization, sterilization, decolorization, soft To stabilize water quality and desalination, so as to save water and prevent water pollution. It includes chemicals needed for cooling water and boiler water treatment, seawater desalination, membrane separation, biological treatment, flocculation and ion exchange technology. Such as corrosion inhibitors, scale inhibitors and dispersants, bactericides and algae killers, flocculants, ion exchange resins, purifiers, cleaning agents, pre-film agents and so on. The main products of water treatment agents include organic phosphorus water treatment agents, polycarboxylic acid water treatment agents, composite scale and corrosion inhibitors, bactericides and algae killers and other water treatment agents.
Our Services
1. OEM(????) service is available.
2. Fast producing time.
3.Cheapest price forproduces.
4. Reply promptly in 24 hours.
5.Free sample available.
FAQ
Q1: product specifications?
A: we will pack the product specifications according to your needs.
Q2: Do you have some videos where we can see the line production?
A: Yes, we can provide some videos for reference. (yes, we can provide some videos).
Q3: How about payment terms? What kind of payment terms do you have?
A: 30% TT deposit + 70% TT before shipment, 50% TT deposit + 50% LC bala
Nce, Flexible payment can be negotiated.
Q4: what advantages do you have?
A: the quality of the products we offer can be guaranteed and will provide you with very competitive prices.
If you have any questions, please contact with us directly. Organic Intermediate are produced by HRT bearing With High Quality and Good Appearance. Welcome you can visit our Factory. For inqury, please send mail directly to us.
Water Treatment Agent,Trans-Benzylideneacetone 99%,Sodium Allysulfonate,Water Treatment Chemical Agent Shandong Chenyi Environmental Protection Technology Co.,Ltd , https://www.chenyichem.com
(1) The preparation of culture soil generally uses 50% of loam soil, 30% to 35% of compost, 15% to 20% of fine sand, and a small amount of plant ash or 1-2 kg of potassium sulfate per cubic meter of culture soil.
(2) The method of application of soil-based basal-fertilizer watermelon base fertilizer includes spreading, furrow application and hole application. Generally, 15-22.5 tons of farmyard manure is applied per hectare. After spreading, plowing is done. After the spreading, the ditch is opened by spacing, 50-70 centimeters wide, 25-40 centimeters deep, and 15-22.5 tons of farmyard manure is applied. Superphosphate (containing more than 12% of available phosphorus) 300-375 kg, potassium sulfate 37.5-45 kg, mixed with soil, and then covered with soil, ready for planting or live.
(3) The frequency of top-dressing watermelon top dressing varies greatly depending on the cultivation method and different regions. The number of top dressings in the northern melon region is less, the number of top dressings in the southern melon region is more; the frequency of top dressings in the melons is less, and the frequency of top dressings in the saplings is more. Normally when the seedlings grow 2 true leaves (direct seedlings) or after easing seedlings (transplanting seedlings), the first topdressing is performed. When the seedlings are about 15 cm, the urea 150-225 kg/sq. hm. 105-150 kg; when the young fruit is 10-15 cm in diameter, 150-225 kg of urea and 150-225 kg of potassium sulfate are applied per hectare. From fruit enlargement to fruit ripening, 0.5% potassium dihydrogen phosphate and 0.5% calcium nitrate can be sprayed 2-3 times each to increase yield and improve watermelon quality. However, when the young fruit diameter is 10-15 cm, the top dressing cannot be topdressed with urea alone. Otherwise, the quality of the watermelon will be reduced. If no potassium sulfate is used, potassium dihydrogen phosphate can also be used. For example, if there is no fertilizer containing potassium nutrition, this time Top dressing may not be carried out.
If you want to harvest the second crop of melon, you should top up about 90-120 kg of urea and 150-225 kg of potassium sulfate per hectare about 5 days before the first crop is harvested to prevent the premature aging of stems and leaves and promote the development of the second crop. .
Method and technology for fertilizing watermelon
Watermelon cultivation is mainly based on direct seeding, but with the development of cultivation, greenhouses, and watermelons in greenhouses, seedling transplanting has gradually increased. In the case of nursery transplanting, the preparation of nursery soil is an important part of cultivating strong seedlings.