Assertion: fertilizer's pound | /r/MadeOf | 21 pounds of p
Facets:
Source sentences:
text: For example, 100 pounds of a 10-30-10 fertilizer contains 10 pounds of N, 30 pounds of P 2 O 5 , and 10 pounds of K 2 O, whereas 100 pounds of a 7-21-7 fertilizer contains 7 pounds of N, 21 pounds of P 2 O 5 , and 7 pounds of K 2 O. Both of these fertilizers have the same ratio (1-3-1) but different grades (10-30-10 versus 7-21-7).