- About product and suppliers:
Alibaba.com offers 310 nitrogen potassium phosphorus products. About 1% of these are phosphate, 1% are other analysis instruments.
A wide variety of nitrogen potassium phosphorus options are available to you, such as npk, compost, and humic acid. You can also choose from agriculture grade, food grade, and medicine grade. As well as from free samples.
There are 308 nitrogen potassium phosphorus suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Malaysia, which supply 91%, 1%, and 1% of nitrogen potassium phosphorus respectively.
Nitrogen potassium phosphorus products are most popular in Southeast Asia, Domestic Market, and North America.
You can ensure product safety by selecting from certified suppliers, including 35 with ISO9001, 13 with Other, and 9 with ISO14001 certification.