Neutral urea, suitable for all kinds of soil and all kinds of crops, suitable for base fertilizer, topdressing, can not be used as seed fertilizer.
Superphosphate is weakly acidic, can be used as basal fertilizer, seed fertilizer and topdressing fertilizer. It is suitable for neutral or acidic soils. It should generally be applied with organic fertilizers, and top dressings should be sprayed with the filtrated roots.
Ammonium nitrate is weakly acidic and can be used as top dressing. It cannot be used as base fertilizer or seed fertilizer. Early spring crops should not be applied, and should not be mixed with organic fertilizers and hoeing; application to paddy fields due to denitrification and poor results, commonly used in dryland crops.
Ammonium chloride physiological acid fertilizer, can be used as base fertilizer, top dressing, can not be used as seed fertilizer. Applicable to calcareous soil or partially acidic soil, but it is not suitable to apply saline soil, tobacco, grapes, potatoes and other chlorine crops.
NPK fertilizer should be used as base fertilizer and early fertilizer.
Calcium, magnesium and phosphate are weakly alkaline and can be used as basal fertilizer. Generally, it is not suitable for top dressing application. It is suitable for acidic soils.
Potassium sulphate physiological acid fertilizer, as base fertilizer, top dressing can be, potassium sulfate applies to all types of crops, in particular, avoid chlorine and potassium crops, the application should be properly centralized application.
Potassium dihydrogen phosphate is mostly used for soaking and dressing fertilizers outside roots, and the effect is very good.
Nitrogen and potassium fertilizers should be used as top-dressing fertilizers for the potassium-rich botrytis crops. If it is potassium nitrate, paddy fields should not be applied.
Potassium chloride physiological acidic fertilizer, suitable as base fertilizer, applied in the acidic soil, preferably with the application of organic fertilizer or lime, saline land is not appropriate to apply, avoid chlorine crops should not be applied.
Nitrogen and phosphorus compound fertilizers such as ammonium phosphate are suitable for various soils and various crops and are suitable as base fertilizers.
Carbomer is an acrylic resin obtained by cross-linking pentaerythritol with acrylic acid. It is a very important rheological regulator. After neutralization, carbomer is an excellent gel matrix, which has important applications such as thickening suspension. According to the dry product calculation, including carboxylic acid group (-cooh) should be 56.0 % ~ 68.0%.
Common carbopol series include: Carbopol 940, 941, 934, 1342, 980, ETD 2020, AQUA sf-1, Ultrez 21, Ultrez 20, etc.
Carbomer,Carbopol,Carbopol 940, Carbomer 940, Carbomer 980, acrylic acid
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