The chemically correct answer would be, Plus-NP contains 0.25 mol/l N (as available nitrogen compounds) and 35.2 mmol/l P (as pyrophosphates). The molar N : P ratio is 7 : 1.

這段話有人能幫忙解釋嗎
我想知道1ml的np plus能提升100l水多少的np 感謝