Next, the ammonia reacts with soil water to form ammonium N. And finally, through the action of soil microorganisms, the ammonium is converted to nitrate N. Like nitrates, urea dissolves in and moves ...

Remember, ammonium is the same form of N available in many synthetic fertilizers. Like ammonium, soil nitrate can be taken up by plants through the roots. If water percolates down through the soil, ...

Two dry solids --- barium hydroxide and ammonium nitrate --- are mixed to produce an endothermic reaction. The temperature of the mixture drops approximately 45oC and is cold enough to freeze the ...

Ammonium nitrate (NH 4 NO 3) is commonly used as a fertiliser. Given the relative atomic mass of hydrogen is 1, nitrogen is 14 and oxygen is 16, calculate the percentage of ammonium nitrate that ...