units conversion

http://physics.info/density/

Urea cost= 0.6*Ammonia price+15

indian fertiliser imports history downloadable with statistics
Globaltradedta of ammonia in india

all types of units conversion at http://www.webqc.org/unitconverters.php
How to convert ppm to percent

1% = 1/100

1ppm = 1/1000000

So

1ppm = 0.0001%

So to convert from ppm to percent, divide the ppm by 10000:

x_(%) = x_(ppm) / 10000

Example: find how many percent are in 300ppm.

x_(%) = 300ppm / 10000 = 0.03%

ppm to percent conversion table

ppm	Percent (%)
0 ppm	0.0000%
1 ppm	0.0001%
2 ppm	0.0002%
3 ppm	0.0003%
4 ppm	0.0004%
5 ppm	0.0005%
6 ppm	0.0006%
7 ppm	0.0007%
8 ppm	0.0008%
9 ppm	0.0009%
10 ppm	0.0010%
20 ppm	0.0020%
30 ppm	0.0030%
40 ppm	0.0040%
50 ppm	0.0050%
60 ppm	0.0060%
70 ppm	0.0070%
80 ppm	0.0080%
90 ppm	0.0090%
100 ppm	0.0100%
200 ppm	0.0200%
300 ppm	0.0300%
400 ppm	0.0400%
500 ppm	0.0500%
600 ppm	0.0600%
700 ppm	0.0700%
800 ppm	0.0800%
900 ppm	0.0900%
1000 ppm	0.1000%
2000 ppm	0.2000%
3000 ppm	0.3000%
4000 ppm	0.4000%
5000 ppm	0.5000%
6000 ppm	0.6000%
7000 ppm	0.7000%
8000 ppm	0.8000%
9000 ppm	0.9000%
10000 ppm	1.0000%
100000 ppm	10.0000%
1000000 ppm	100.0000%