Table 41. Fertilizers and Chemicals Applied: 2012 and 2007 
[For meaning of abbreviations and symbols, see introductory text.] 
Item 
Iowa 
Adair 
Adams 
Allamakee 
Appanoose 
Audubon 
Benton 
Commercial fertilizer, lime, and soil 
conditioners 
farms, 2012 
54,093 
451 
256 
483 
303 
356 
794 
2007 
56,012 
485 
300 
436 
319 
379 
814 
acres treated, 2012 
19,641,333 
170,904 
96,304 
134,586 
70,784 
179,917 
301,754 
2007 
19,009,410 
159,908 
90,658 
105,504 
69,181 
171,155 
267,617 
Cropland fertilized, except cropland pasture 
farms, 2012 
52,428 
431 
242 
470 
261 
341 
784 
2007 
53,790 
452 
278 
408 
260 
359 
788 
acres treated, 2012 
19,161,951 
157,957 
89,764 
130,032 
61,199 
175,190 
298,014 
2007 
18,414,106 
140,993 
80,575 
98,280 
55,230 
1 66,556 
260,902 
Pastureland and rangeland fertilized 
farms, 2012 
7,396 
121 
69 
94 
102 
70 
83 
2007 
8,064 
166 
90 
96 
146 
78 
102 
acres treated, 2012 
479,382 
12,947 
6,540 
4,554 
9,585 
4,727 
3,740 
2007 
595,304 
18,915 
10,083 
7,224 
13,951 
4,599 
6,715 
Manure 
farms, 2012 
19,443 
154 
70 
268 
61 
148 
259 
2007 
21,877 
186 
76 
272 
82 
171 
326 
acres treated, 2012 
2,347,716 
9,068 
6,879 
33,268 
3,904 
22,596 
18,085 
2007 
2,331,503 
13,349 
8,170 
28,822 
4,149 
20,395 
24,621 
Acres treated to control- 
Insects 
farms, 2012 
27,915 
147 
58 
299 
80 
151 
489 
2007 
29,357 
155 
77 
233 
71 
180 
463 
acres, 2012 
9,204,573 
52,396 
21,976 
64,006 
24,375 
56,420 
126,464 
2007 
7,703,762 
41,804 
22,977 
37,014 
11,812 
66,028 
120,825 
Weeds, grass, or brush 
farms, 2012 
53,988 
455 
263 
491 
247 
371 
806 
2007 
47,451 
415 
244 
339 
199 
337 
683 
acres, 2012 
23,200,379 
220,370 
125,197 
131,832 
61,351 
218,254 
350,388 
2007 
19,289,715 
157,105 
97,825 
73,252 
39,253 
186,641 
258,623 
Nematodes 
farms, 2012 
4,353 
32 
11 
33 
16 
19 
58 
2007 
3,546 
24 
4 
23 
11 
10 
27 
acres, 2012 
1,045,726 
6,861 
2,064 
3,762 
1,468 
7,959 
10,957 
2007 
671,571 
3,902 
(D) 
2,689 
962 
5,043 
3,159 
Diseases in crops and orchards 
farms, 2012 
5,302 
31 
13 
45 
13 
32 
88 
2007 
3,909 
28 
9 
21 
14 
13 
94 
acres, 2012 
1,702,624 
16,252 
8,253 
11,512 
728 
9,637 
20,106 
2007 
864,595 
4,254 
1,194 
2,572 
3,418 
4,378 
20,087 
Chemicals used to control growth, thin fruit, 
ripen, or defoliate 
farms, 2012 
352 
- 
1 
4 
5 
1 
4 
2007 
279 
2 
2 
6 
1 
1 
10 
acres on which used, 2012 
13,981 
- 
(D) 
(D) 
104 
(D) 
265 
2007 
19,087 
(D) 
(D) 
312 
(□) 
(D) 
342 
Item 
Black Hawk 
Boone 
Bremer 
Buchanan 
Buena Vista 
Butler 
Calhoun 
Commercial fertilizer, lime, and soil 
conditioners 
farms, 2012 
635 
527 
628 
722 
609 
652 
550 
2007 
659 
543 
670 
808 
658 
727 
562 
acres treated, 2012 
214,442 
225,503 
202,907 
269,456 
235,144 
262,826 
245,094 
2007 
194,011 
228,067 
177,834 
275,034 
225,689 
259,855 
236,474 
Cropland fertilized, except cropland pasture 
farms, 2012 
628 
512 
617 
713 
603 
640 
546 
2007 
643 
529 
652 
800 
655 
710 
549 
acres treated, 2012 
213,736 
222,855 
202,274 
268,044 
232,900 
261,216 
242,366 
2007 
192,630 
226,279 
176,319 
273,452 
224,294 
255,053 
234,271 
Pastureland and rangeland fertilized 
farms, 2012 
34 
50 
31 
59 
26 
56 
45 
2007 
35 
37 
42 
40 
24 
50 
34 
acres treated, 2012 
706 
2,648 
633 
1,412 
2,244 
1,610 
2,728 
2007 
1,381 
1,788 
1,515 
1,582 
1,395 
4,802 
2,203 
Manure 
farms, 2012 
200 
126 
232 
341 
289 
263 
142 
2007 
192 
153 
263 
391 
302 
278 
182 
acres treated, 2012 
18,211 
9,022 
23,455 
37,531 
51,178 
29,447 
19,039 
2007 
14,994 
11,913 
18,843 
31,683 
48,579 
30,724 
22,970 
Acres treated to control- 
Insects 
farms, 2012 
366 
260 
384 
402 
388 
293 
332 
2007 
407 
331 
385 
470 
401 
443 
304 
acres, 2012 
94,437 
91,502 
119,107 
126,116 
152,281 
111,010 
124,179 
2007 
89,184 
106,639 
72,068 
119,789 
120,752 
104,276 
83,159 
Weeds, grass, or brush 
farms, 2012 
639 
533 
626 
704 
622 
656 
560 
2007 
565 
484 
574 
664 
563 
609 
488 
acres, 2012 
260,455 
267,493 
223,347 
294,701 
314,057 
306,610 
307,981 
2007 
214,031 
244,868 
181,706 
270,265 
273,845 
232,312 
267,288 
Nematodes 
farms, 2012 
61 
46 
75 
72 
98 
38 
54 
2007 
53 
67 
30 
49 
75 
44 
78 
acres, 2012 
10,152 
10,071 
19,723 
15,897 
26,601 
8,211 
14,476 
2007 
7,247 
11,168 
4,036 
6,643 
20,182 
5,599 
14,797 
Diseases in crops and orchards 
farms, 2012 
70 
67 
66 
75 
86 
36 
65 
2007 
59 
50 
45 
60 
35 
46 
42 
acres, 2012 
15,717 
18,994 
14,010 
17,787 
31,080 
10,828 
18,213 
2007 
9,829 
7,579 
8,216 
19,563 
6,006 
11,596 
7,974 
Chemicals used to control growth, thin fruit, 
ripen, or defoliate 
farms, 2012 
- 
2 
14 
8 
3 
4 
2 
2007 
5 
2 
- 
7 
- 
2 
1 
acres on which used, 2012 
- 
(D) 
700 
373 
152 
147 
(D) 
2007 
328 
(D) 
- 
483 
- 
(D) 
(D) 
-continued 
602 Iowa 
2012 Census of Agriculture - County Data 
USDA, National Agricultural Statistics Service 
